Omron D2MV User manual

133
Miniature Basic Switch D2MV
Ultra-low Load, Miniature Basic Switch
Twin crossbar contact employed for exceptionally
high contact reliability in micro load applications.
A coil spring employed in the internal mechanism
extends durability and improves contact reliability.
RC
Ordering Information
Model Number Legend
D2MV-jj-jjj
12 345
1. Ratings
1: 1 A at 125 VAC
01: 0.1 A at 30 VDC
2. Actuator
None: Pin plunger
L11: Short hinge lever
L: Hinge lever
L111: Long hinge lever
L13: Simulated roller lever
L22: Short hinge roller lever
L2: Hinge roller lever
3. Contact Form
1: SPDT
2: SPST-NC
3: SPST-NO
4. Terminals
C: Solder terminals
5. Maximum Operating Force
1: 0.10 N {10 gf}
2: 0.25 N {25 gf}
3: 0.49 N {50 gf}
Note: These values are for the pin plunger models.
List of Models
Actuator OF max. 0.1 A 1 A
Pin plunger 0.10 N {10 gf} D2MV-01-1C1 D2MV-1-1C1
pg
0.25 N {25 gf} D2MV-01-1C2 D2MV-1-1C2
0.49 N {50 gf} D2MV-01-1C3 D2MV-1-1C3
Short hinge lever 0.49 N {50 gf} D2MV-01L11-1C3 D2MV-1L11-1C3
Hinge lever 0.29 N {30 gf} D2MV-01L-1C3 D2MV-1L-1C3
Long hinge lever 0.15 N {15 gf} D2MV-01L111-1C3 D2MV-1L111-1C3
Simulated roller lever 0.29 N {30 gf} D2MV-01L13-1C3 D2MV-1L13-1C3
Short hinge roller lever 0.49 N {50 gf} D2MV-01L22-1C3 D2MV-1L22-1C3
Hinge roller lever 0.29 N {30 gf} D2MV-01L2-1C3 D2MV-1L2-1C3
Note: Consult your OMRON sales representative for details on SPST-NO and SPST-NC models.
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Specifications
Ratings
Model D2MV-1 D2MV-01
Rated voltage Item Resistive load
125 VAC 1 A 0.1 A
30 VDC 1 A 0.1 A
Note: The ratings values apply under the following test conditions:
Ambient temperature: 20±2°C
Ambient humidity: 65±5%
Operating frequency: 30 operations/min
Switching Capacity per Load (Reference Values)
The jsymbols in the model number are for the actuator type code and operating force code respectively.
Model Voltage Non-inductive load Inductive load
g
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
D2MV-1
(1 A type)
125 VAC 1 A 0.1 A --- ---
(1
A
t
ype
)
8 VDC 1 A 0.1 A --- ---
8
VDC
14 VDC
1
A
1 A
0
.
1
A
0.1 A
--- ---
14
VDC
30 VDC
1
A
1 A
0.1
A
0.1 A
D2MV-01
(0 1 A type)
125 VAC 0.1 A --- --- ---
(0
.
1
A
t
ype
)
8 VDC 0.1 A --- --- ---
8
VDC
14 VDC
0
.
1
A
0.1 A
--- --- ---
14
VDC
30 VDC
0.1
A
0.1 A
Note: 1. The above values are for the steady-current state.
2. Inductive load has a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
3. Lamp load has an inrush current of 10 times the steady-state current.
4. Motor load has an inrush current of 6 times the steady-state current.
Characteristics
Operating speed 1 mm to 1 m/s (pin plunger models)
Operating frequency Mechanical: 300 operations/min max.
Electrical: 30 operations/min max.
Insulation resistance 100 MΩmin. (at 500 VDC)
Contact resistance (initial
value) D2MV-01 models: 50 mΩmax.
D2MV-1 models: 30 mΩmax.
Dielectric strength (see
note 2) 1,000 VAC, 50/60 Hz for 1 min between terminals of same polarity
1,500 VAC, 50/60 Hz for 1 min between current-carrying metal parts and the ground
1,500 VAC, 50/60 Hz for 1 min between each terminal and non-current-carrying metal parts
Vibration resistance (see
note 3) Malfunction: 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance
(see note 3) Destruction: Models with OF of 0.10 N: 150 m/s2{approx. 15G} max.
Models with OF between 0.25 and 0.49 N: 400 m/s2{approx. 40G} max.
Malfunction: 100 m/s2{approx. 10G} max.
Durability (see note 4) Mechanical: 10,000,000 operations min. (60 operations/min) (Refer to Engineering Data.)
Electrical: D2MV-1 models: 500,000 operations min. (30 operations/min)
D2MV-01 models: 1,000,000 operations min. (30 operations/min)
(Refer to Engineering Data.)
Degree of protection IEC IP40
Degree of protection
against electric shock Class I
Proof tracking index (PTI) 175
Ambient operating
temperature –25°C to 80°C (at ambient humidity of 60% max.) (with no icing)
Ambient operating
humidity 85% max. (for 5°C to 35°C)
Weight Approx. 6 g (pin plunger models)
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D2MV D2MV
135
Note: 1. The data given above are initial values.
2. The values for dielectric strength shown are for models with a Separator.
3. For the pin plunger models, the above values apply for use at both the free position and total travel position. For the lever models,
they apply at the total travel position.
4. For testing conditions, contact your OMRON sales representative.
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D2MV D2MV
136
Approved Standards
Consult your OMRON sales representative for specific models with
standard approvals.
UL1054 (File No. E41515)/
CSA C22.2 No.55 (File No. LR21642)
Rated voltage D2MV-1 D2MV-01
125 VAC 1 A 0.1 A
30 VDC 1 A 0.1 A
Contact Specifications
Item D2MV-01 models D2MV-1 models
Contact Specification Twin crossbar Needle
Material Gold alloy Silver
Gap
(standard
value)
0.5 mm
Inrush
t
NC 0.1 A max. 1 A max.
current NO
Minimum applicable
load (see note) 1 mA at 5 VDC 30 mA at 5 VDC
Note: For more information on the minimum applicable load,
refer to Using Micro Loads on page 139.
Contact Form
SPDT
SPST-NC
SPST-NO
Engineering Data (Reference Values)
Mechanical Durability
(Pin Plunger Models) Electrical Durability
(Pin Plunger Models)
Number of operations (x10 )
6
Number of operations (x10 )
6
Ambient temperature: 20±2°C
Ambient humidity: 65±5%
Operating frequency: 30 operations/min
cosφ= 1
D2MV-01
D2MV-1
D2MV-01(1)-1C1
D2MV-01(1)-1C2(3)
Percentage of OT to its rated value (%) Percentage of switching current to its rated value (%)
Ambient temperature: 20±2°C
Ambient humidity: 65±5%
Without load
Operating frequency: 300 operations/min
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D2MV D2MV
137
Dimensions
Note: All units are in millimeters unless otherwise indicated.
Terminals
6.5
6.3
3.9
7.5
6.3
1.2
3.2
4.75±0.1
2.4 dia. 1.3 dia.
Mounting Holes
Two, 3.1-dia. mounting holes or
M3 screw holes
22.2 ±0.1
10.3 ±0.1
Dimensions and Operating Characteristics
Note: 1. All units are in millimeters unless otherwise indicated.
2. The RF values indicated in parentheses are for cases where the lever weight is not applied to the plunger.
3. Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
4. The operating characteristics are for operation in the A direction ( ).
Pin Plunger Models
D2MV-01-1Cj
D2MV-1-1Cj
3+0.07
–0.05 dia. holes
3+0.07
–0.05
t=0.5
Three, solder terminals
20.2±0.25
2.8
2.8
PT
OP 10.3±0.1
22.2±0.1 2.8 4
(7.5)
31.8
39.3±0.8
11.6 15.9
19.8±0.8
4.2 2.8
10.3
Note: The jin the model number
is for the OF code.
3.2 dia.
+0.15
–0.07
A
Model D2MV-01-1C1
D2MV-1-1C1 D2MV-01-1C2
D2MV-1-1C2 D2MV-01-1C3
D2MV-1-1C3
OF max. 0.10 N {10 gf} 0.25 N {25 gf} 0.49 N {50 gf}
RF min.
{g}
0.005 N {0.5 gf} (reference value)
{g}
0.01 N {1 gf} (reference value)
{g}
0.02 N {2 gf} (reference value)
PT max. 1.2 mm
OT min. 1.3 mm
MD max. 0.25 mm
OP 14.7±0.4 mm
Model D2MV-01L11-1C3
D2MV-1L11-1C3
OF max.
RF i
0.49 N {50 gf}
004N{4 f}
RF min. 0.04 N {4 gf}
(reference value)
PT max. 1.7 mm
OT min. 1.0 mm
MD max. 0.4 mm
OP 15.2±0.5 mm
Short Hinge Lever Models
D2MV-01L11-1C3
D2MV-1L11-1C3 3+0.07
–0.05 dia. holes
t=0.5
Three, solder terminals
t = 0.5 (see note)
Note: Stainless-steel lever
3.2 dia.
+0.15
–0.07
A
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D2MV D2MV
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Model D2MV-01L-1C3
D2MV-1L-1C3
OF max.
RF i
0.29 N {30 gf}
002N{2 f}
RF min. 0.02 N {2 gf}
(reference value)
PT max. 3.3 mm
OT min. 2.1 mm
MD max. 0.7 mm
OP 15.2±1.2 mm
Model D2MV-01L111-1C3
D2MV-1L111-1C3
OF max.
RF i
0.15 N {15 gf}
001N{1 f}
RF min. 0.01 N {1 gf}
(reference value)
PT max. 6.0 mm
OT min. 4.0 mm
MD max. 1.4 mm
OP 15.2±2.6 mm
Model D2MV-01L13-1C3
D2MV-1L13-1C3
OF max.
RF i
0.29 N {30 gf}
002N{2 f}
RF min. 0.02 N {2 gf}
(reference value)
PT max. 3.3 mm
OT min. 1.9 mm
MD max. 0.7 mm
OP 18.7±1.2 mm
Model D2MV-01L22-1C3
D2MV-1L22-1C3
OF max.
RF i
0.49 N {50 gf}
004N{4 f}
RF min. 0.04 N {4 gf}
(reference value)
PT max. 1.7 mm
OT min. 1.0 mm
MD max. 0.4 mm
OP 20.7±0.6 mm
3+0.07
–0.05 dia. holes
3+0.07
–0.05
t=0.5
Three, solder terminals
t = 0.5 (see note)
35.6±0.8
8.1
2.8
10.3±0.1
PT
OP
2.8 4
31.8
22.2±0.1
39.3±0.8 (7.5)
11.6 15.9 19.8±0.8
4.3 2.8
10.3
Hinge Lever Models
D2MV-01L-1C3
D2MV-1L-1C3
Note: Stainless-steel lever
3.2 dia.
+0.15
–0.07
A
Long Hinge Lever Models
D2MV-01L111-1C3
D2MV-1L111-1C3 3+0.07
–0.05 dia. holes
t=0.5
Three, solder
terminals
t = 0.5 (see note)
Note: Stainless-steel lever
3.2 dia.
+0.15
–0.07
A
3.5R
t = 0.5
(see note)
32.6±0.8
8.1 3+0.07
–0.05 dia. holes
PT
OP
2.8
10.3±0.1
3+0.07
–0.05
22.2±0.1 2.8 4
31.8 (7.5)
39.3±0.8
t=0.5
Three, solder terminals
11.6 15.9 19.8±0.8
4.3 2.8
10.3
Simulated Roller Lever Models
D2MV-01L13-1C3
D2MV-1L13-1C3
Note: Stainless-steel lever
3.2 dia.
+0.15
–0.07
A
Short Hinge Roller Lever Models
D2MV-01L22-1C3
D2MV-1L22-1C3
3+0.07
–0.05 dia. holes
t=0.5
Three, solder terminals
t = 0.5 (see note 1)
Note: 1. Stainless-steel lever
2. Oilless polyacetar resin roller
4.8 dia. ×4.8 (see note 2)
3.2 dia.
+0.15
–0.07
A
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D2MV D2MV
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Model D2MV-01L2-1C3
D2MV-1L2-1C3
OF max.
RF i
0.29 N {30 gf}
002N{2 f}
RF min. 0.02 N {2 gf}
(reference value)
PT max. 3.3 mm
OT min. 2.1 mm
MD max. 0.7 mm
OP 20.7±1.2 mm
Precautions
Refer to pages 26 to 31 for common precautions.
Cautions
Handling
Be careful not to drop the Switch. Doing so may cause damage to
the Switch’s internal components because it is designed for a small
load.
Correct Use
Mounting
Use M3 mounting screws with plane washers or spring washers to
securely mount the Switch. Tighten the screws to a torque of 0.39 to
0.59 N Sm {4 to 6 kgf Scm}.
Mounting Direction
For a Switch with an actuator, mount the Switch in a direction where
the actuator weight will not be applied to the Switch.
Since the Switch is designed for a small load, its resetting force is
small. Therefore, resetting failure may occur if unnecessary load is
applied to the Switch.
Using Micro Loads
Using a model for ordinary loads to open or close the contact of a
micro load circuit may result in faulty contact. Use models that oper-
ate in the following range. However, even when using micro load
models within the operating range shown below, if inrush current oc-
curs when the contact is opened or closed, it may increase contact
wear and so decrease durability. Therefore, insert a contact protec-
tion circuit where necessary.
The minimum applicable load is the N-level reference value. This
value indicates the malfunction reference level for the reliability lev-
el of 60% (λ 60). The equation, λ60 = 0.5 10–6/operations indi-
cates that the estimated malfunction rate is less than 1/2,000,000
operations with a reliability level of 60%.
Operating
range for
D2MV-01
Operating
range for
D2MV-1
Current (mA)
Inoperable
range
Voltage (V)
Actuator (Sold Separately)
Various Actuators are available as shown on pages 152 to 155.
Connector (Sold Separately)
Refer to Terminal Connectors on page 282.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. B018-E1-07B
Hinge Roller Lever Models
D2MV-01L2-1C3
D2MV-1L2-1C3 4.8 dia. ×4.8 (see note 2)
3+0.07
–0.05 dia. holes
3+0.07
–0.05
0.5 t
Three, solder terminals
34±0.8
t = 0.5
(see note 1) 8.1
PT
OP
2.8
10.3±0.1
22.2±0.1 2.8 4
31.8 (7.5)
39.3±0.8
11.6 15.9 19.8±0.8
5.1
10.3
Note: 1. Stainless-steel lever
2. Oilless polyacetar resin roller
3.2 dia.
+0.15
–0.07
A
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General Information General Information
26
Correct Use
No. Area No. Item Page
1Using Switches 26
2Selecting Correct Switch
3 Electrical
C diti
1 Load
Conditions 2Application of Switch to
Electronic Circuits
3Switches for Micro Loads
4Contact Protective
Circuit 27
4 Mechanical
C diti
1Operating Stroke Setting 28
Conditions 2Switching Speed and
Frequency
3Operating Condition
4Operating Method
5 Mounting 1 Securing 29
g
2Terminal Connections
3Soldering Precautions
6 Operation
dSt
1 Handling 30
p
and Storage
Environment
2Operating Environment
E
nv
i
ronmen
t
3Storage Environment
7Switch Trouble and Corrective Action 31
Using Switches
•When switches are actually used, unforeseen accidents may
occur. Before using a switch, perform all possible testing in
advance.
•Unless otherwise specified, ratings and performances given in
this catalog are for standard test conditions (i.e., 15 to 35_C,
25% to 75% humidity, and 86 to 106 kPa atmospheric pressure).
When performing testing in the actual application, always use
the same conditions as will be used in actual usage conditions for
both the load and the operating environment.
•Reference data provided in this catalog represents actual
measurements from production samples in graph form. All
reference data values are nominal.
•All ratings and performance values provided in this catalog are
the results of a single test each rating and performance value
therefore may not be met for composite conditions.
Selecting Correct Switch
Select an appropriate switch for the operating environment and load
conditions.
•Use the Selection Guide to select a suitable switch for the rated
current, operating load, actuator type, and operating environ-
ment.
•It is not recommended to use a switch for a large current to switch
a micro current, in terms of contact reliability. Select a switch that
is suitable for the current actually being switched.
•Use a sealed switch in environments subject to water, other
liquids and excessive dirt or dust.
Electrical Conditions
Load
The switching capacity of a switch significantly differs depending on
whether the switch is used to break an alternating current or a direct
current. Be sure to check both the AC and DC ratings of a switch.
The control capacity will drop drastically if it is a DC load. This is be-
cause a DC load, unlike an AC load, has no current zero cross point.
Therefore, if an arc is generated, it may continue for a comparatively
long time. Furthermore, the current direction is always the same,
which results in contact relocation phenomena, and the contacts
hold each other with ease and will not separate if the surfaces of the
contacts are uneven.
If the load is inductive, counter-electromotive voltage will be gener-
ated. The higher the voltage is, the higher the generated energy is,
which increase the abrasion of the contacts and contact relocation
phenomena. Make sure to use a switch within the rated conditions.
If a switch is used for switching both micro and high-capacity loads,
be sure to connect relays suitable to the loads.
The rated loads of a switch are according to the following conditions:
Inductive Load: A load having a minimum power factor of 0.4 (AC) or
a maximum time constant of 7 ms (DC).
Lamp Load: A load having an inrush current ten times the
steady-state current.
Motor Load: A load having an inrush current six times the steady-
state current.
Note: It is important to know the time constant (L/R) of an induc-
tive load in a DC circuit.
Inrush Current
i (Inrush current)
io (Steady-
state current)
I
(A)
t
Application of Switch to Electronic Circuits
The Basic switch may have contact bouncing or chattering in
switching, thus generating noise or pulse signals that may interfere
the operation of electronic circuits or audio equipment. To prevent
this, take the following countermeasures.
•Design the circuits so that they include appropriate CR circuits to
absorb noise or pulse signals.
•Use switches with gold-plated contacts for micro loads, which
are more resistive to environmental conditions.
Switches for Micro Loads
If a switch for a general load is used for switching a micro load, it may
cause contact failures. Be sure to select a switch within the permis-
sible range. Even if a switch for a micro load is used within the per-
missible range, the inrush current of the load may deteriorate the
contacts, thus decreasing the durability of the switch. Therefore, if
necessary, insert a proper contact protective circuit.
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General Information General Information
27
Contact Protective Circuit
Apply a contact protective circuit (surge killer) to extend contact du-
rability, prevent noise, and suppress the generation of carbide or ni-
tric acid due to arc. Be sure to apply the contact protective circuit
properly, otherwise an adverse effect may result. Some typical
examples of contact protective circuit are described in the following
table.
When a switch is used under high humidity, arcs resulting from cer-
tain types of load (e.g., inductive loads) will generate nitrious oxides
and, with mater the nitrious oxides will become nitric acid, which will
corrode internal metal parts and may cause malfunctions. Always
use a contact protective circuit according to information provided in
the following table when using a switch under circuit conditions of
frequent switching and arcing.
The use of a contact protective circuit may delay the response time
of the load.
Typical Examples of Contact Protective Circuits (Surge Killers)
Circuit example Applicable
current Feature Element selection
AC DC
CR
circuit
Power
supply
Inductive
load
See
note. Yes Note: When AC is switched, the
load impedance must be low-
er than the C and R imped-
ance.
C: 0.5 to 1 µF per switching current (1 A)
R: 0.5 to 1 Ωper switching voltage (1 V)
The values may change according to the
characteristics of the load.
The capacitor suppresses the spark
discharge of current when the contacts are
open. The resistor limits the inrush current
when the contacts are closed again.
Consider these roles of the capacitor and
resistor and determine the ideal
Inductive
load
Power supply
Yes Yes The operating time will increase if the
load is a relay or solenoid.
It is effective to connect the CR circuit
in parallel to the load when the power
supply voltage is 24 or 48 V and in
parallel to the contacts when the
power supply voltage is 100 to 200 V.
resistor
and
determine
the
ideal
capacitance and resistance values from
experimentation.
Use a capacitor with a dielectric strength
between 200 and 300 V. When AC is
switched, make sure that the capacitor has
no polarity.
If, however, the ability to control arcs
between contacts is a problem for high DC
voltage, it may be more effective to
connect a capacitor and resistor between
the contacts across the load. Check the
results by testing in the actual application.
Diode
method
Power supply
Inductive
load
No Yes Energy stored in the coil is changed
into current by the diode connected in
parallel to the load. Then the current
flowing to the coil is consumed and
Joule heat is generated by the
resistance of the inductive load. The
reset time delay in this method is
longer than that of the CR method.
The diode must withstand a peak inverse
voltage 10 times higher than the circuit
voltage and a forward current as high as or
higher than the load current.
Diode
and
Zener
diode
method
Power supply
Inductive
load
No Yes This method will be effective if the
reset time delay caused by the diode
method is too long.
Zener voltage for a Zener diode must be
about 1.2 times higher than the power
source since the load may not work under
some circumstances.
Varistor
method
Power supply
Inductive
load
Yes Yes This method makes use of
constant-voltage characteristic of the
varistor so that no high-voltage is
imposed on the contacts. This method
causes a reset time delay more or
less. It is effective to connect varistor
in parallel to the load when the supply
voltage is 24 to 48 V and in parallel to
the contacts when the supply voltage
is 100 to 200 V.
Select the varistor so that the following
condition is met for the cut voltage Vc. For
AC currents, the value must be multiplied
by √2.
Vc > (Current Voltage x 1.5)
If Vc is set too high, however, the voltage
cut for high voltages will no longer be
effective, diminishing the effect.
Do not apply contact protective circuit as shown below.
This circuit effectively suppresses arcs when
the contacts are OFF. The capacitance will be
charged, however, when the contacts are OFF.
Consequently, when the contacts are ON again,
short-circuited current from the capacitance
may cause contact weld.
Load
Power
supply
Incorrect This circuit effectively suppresses
arcs when the contacts are OFF.
When the contacts are ON again,
however, charge current flows to
the capacitor, which may result in
contact weld.
Load
Power
supply
Incorrect
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General Information General Information
28
Mechanical Conditions
Operating Stroke Setting
The setting of stroke is very important for a switch to operate with
high reliability.
The chart below shows the relationship among operating force,
stroke, and contact force. To obtain high reliability from a switch, a
switch actuator must be manipulated within an appropriate range of
operating force.
Be sure to pay the utmost attention when mounting a switch.
Operating forceContact force
Release
Stroke
Stroke
Release
FP
TTP
Make sure that the operating body is set so that the actuator should
return to the free position when the operating body has moved if a
switch is used to form a normally closed (NC) circuit. If a switch is
used to form a normally open (NO) circuit, the operating body must
move the switch actuator to the distance of 70% to 100% of the rated
overtravel (OT) of the switch.
Operating
body
PT (Pretravel)
Install a stopper.
FP (Free position)
OP (Operating position)
OT (Overtravel)
TTP
(Total travel position)
If stroke is set in the vicinity of the operating position (OP) or the re-
leasing position (RP), contact force may become unstable. As a re-
sult, the switch cannot ensure high reliability. Furthermore, the
switch may malfunction due to vibration or shock.
If stroke is set exceeding the total travel position (TTP), the moment
of inertia of the operating body may damage the actuator or the
switch itself, and the stress applied to the moving spring inside the
switch will increase and then, the durability of the switch may be de-
teriorated.
Incorrect Correct
Switching Speed and Frequency
The switching frequency and speed of a switch have a great influ-
ence on the performance of the switch. Pay attention to the follow-
ing.
•If the actuator is operated too slowly, the switching operation
may become unstable, causing contact failures or contact
welding.
•If the actuator is operated too quickly, the switch may be
damaged by shock.
•If the switching frequency is too high, the switching of the
contacts cannot catch up with the operating speed of the
actuator.
•If the operating frequency is extremely low (i.e., once a month or
less frequent), a film may be generated on the surface of the
contacts, which may cause contact failures.
The permissible switching speed and switching frequency of a
switch indicate the operational reliability of the switch. The durability
of a switch is based on operation under specific conditions regard-
ing the switching speed and switching frequency. The durability of a
switch may not meet the durability due to conditions even if the
switch is operated within the permissible switching speed and fre-
quency ranges. Test a switch sample under the actual conditions to
ascertain its durability.
Operating Condition
Do not leave a switch with the actuator depressed for a long time,
otherwise the parts of the switch may soon deteriorate and the
changes of its characteristics operating may result.
Operating Method
The operating method has a great influence on the performance of a
switch. Consider the following before operating a switch.
•Design the operating body (i.e., cam or dog) so that it will operate
the actuator smoothly. If the actuator snaps backwards quickly or
receives shock due to the shape of the operating body, its
durability may be deteriorated.
Snap-back
Shock operation
Incorrect
Correct
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General Information General Information
29
Snap-back
Incorrect
Correct
Shock operation
•Make sure that no improper force is applied to the actuator,
otherwise the actuator may incur local abrasion. As a result, the
actuator may become damaged or its durability may be
deteriorated.
Dog
Roller
Incorrect Correct
Operating
body Operating
body
: Correct
: Incorrect
•Make sure that the operating body moves in a direction where
the actuator moves. If the actuator is a pin plunger type, make
sure that the operating body presses the pin plunger vertically.
•Operate the actuator of a hinge roller lever or simulated hinge
lever type in the direction shown below.
Incorrect Correct
•Set the angle of the cam or dog (θ) for roller levers and similar
actuators to the range between 30_and 45_. If the angle is too
large, an abnormally large horizontal stress will be applied to the
lever.
•Do not modify the actuator. If the actuator is modified, excessive
external force may be applied to the internal switch mechanism,
characteristics may change, and the switch may stop
functioning.
•If an external actuator is used as an operating object, check the
material and thickness of the lever to make sure that the force
applied to the lever is within the permissible range.
Mounting
Securing
When mounting a switch, be sure to use the specified mounting
screws and tighten the screws with flat washers or spring washers
securely.
However, the switch housing may incur crack damage if it comes
into contact with the spring washers directly. In that case make sure
that the flat washers come into contact with the switch housing as
shown below. Do not subject the switch to excessive shock or high-
frequency vibrations when mounting (e.g., do not use an impact
driver) as it may cause contacts stick or switch damage.
Screw
Flat washer
Spring washer
Resin
Incorrect Correct
Do not modify the switch in any way, for example, by widening the
mounting holes.
Locking Agent
If glue or locking agent is applied, make sure that it does not stick to
the moving parts or intrude into the inside of the switch, otherwise
the switch may have operating failure or contact failure. Some types
of glue or locking agent may generate gas that has a bad influence
on the switch. Pay the utmost attention when selecting glue or lock-
ing agent.
Wiring
Make sure that the lead wires are connected with no inappropriate
pulling force.
Mounting Location
Be sure not to mount a switch in locations where the switch may be
actuated by mistake.
Maintenance and Inspection
Make sure that a switch is mounted in locations that allow easy
inspection or replacement of the switch.
Mounting Direction
When using a switch with a low operating force mounted with a long
lever, make sure that the switch is mounted in the direction where
the weight of the lever is not applied to the pushbutton directly,
otherwise the switch may have releasing failures.
Terminal Connections
Solder Terminals
When soldering lead wires to a switch, make sure that the tempera-
ture of the iron tip is 380°C maximum. Improper soldering may
cause abnormal heat radiation from the switch and the switch may
burn.
Complete soldering within 5 seconds at 350°C or within 3 seconds
at 380°C. If heat is applied for longer period of time, switch charac-
teristics will be deteriorated, e.g., the case will melt and lead wire
insulation will scorch.
Soldering conditions are even more strict for ultra subminiature
switches. Refer to the Precautions for individual models for details.
Quick-Connect Terminals
Use the specified receptacles to connect to quick-connect termi-
nals. Do not apply excessive force horizontally or vertically to the
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General Information General Information
30
terminals, otherwise the terminal may be deformed or the housing
may be damaged.
Wiring Work
When wiring a switch, check the insulation distance between the
switch and the mounting plate. If the insulation distance is insuffi-
cient, use an insulation guard or separator. Be particularly careful
when mounting a switch to metal.
Use wire sizes suitable for the applied voltage and carrying current.
Do not wire a switch while power is being supplied.
Using Separators
If providing sufficient insulation distance is a problem or there are
metal components or copper wire near a switch, use a switch with
an insulation guard or use a separator (order separately) to provide
sufficient insulation distance.
Separator for SSjSeparator for Vj
Separator Separator
Separator for Zj
Separator
Soldering Precautions
When soldering by hand, place the terminal horizontal to the
ground, use a soldering iron with a suitable heat capacity and a suit-
able amount of solder, and complete soldering quickly. Prevent flux
from entering a switch by exhausting flux gas with an exhaust fan
and by avoiding the contact of the tip of the soldering iron and the
switch body. Flux gas inside a switch may cause contact failure. Do
not apply any force to the terminal or wire immediately after solder-
ing.
Tip of soldering
iron
Incorrect Correct
When soldering automatically, adjust the amount of solder so that
flux does not float onto the top of PCB. If flux enters the switch, it can
cause contact failure.
Operation and Storage Environment
Handling
Do not apply oil, grease, or other lubricants to the sliding parts of a
switch. The intrusion of oil, grease, or other lubricants into the inter-
nal part may cause operating failure or contact failure.
Operating Environment
A general switch is not water-resistant. Protect the switch appropri-
ately when using the switch in places with water or oil spray.
Do not use a switch under the condition where vibration or shock is
continuously applied to the switch. If continuous vibration or shock
is applied to a switch, contact failure, malfunction, or decrease in du-
rability may be caused by abrasive powder generated from the inter-
nal parts. If excessive vibration or shock is applied to a switch, the
contacts may malfunction, stick, or be damaged.
Mount a switch in the location where vibration and shock is not ap-
plied to the switch and in the direction where they do not resonate.
Do not use a switch in the atmosphere of corrosive gas, such as
sulfuric gas (H2S or SO2), ammonium gas (NH3), nitric gas (HNO3),
or chlorine gas (Cl2), or in the atmosphere of high temperature and
humidity. Otherwise, contact failure or corrosion damage may re-
sult.
If a switch is used in the atmosphere of silicon gas, arc energy may
attract silicon dioxide (SiO2) to the contacts and contact failure may
result. If there is silicon oil, silicon sealant, a wire covered with sili-
con, or any other silicon-based product near the switch, attach a
contact protective circuit to suppress the arcing of the switch or elim-
inate the source of silicon gas generation. Even for a sealed switch,
it may not be possible to prevent all of the gas from penetrating the
seal rubber, and contact failure may result.
Be sure to use a switch at a temperature and humidity within the
specified ranges. If a switch is exposed to radical temperature chan-
ges or intense heat, the characteristics of the switch may change.
Separate the switch as far as possible from sources of heat to elimi-
nate the influence.
Storage Environment
When storing a switch, consider countermeasures (e.g., storing in a
plastic bag) to prevent discoloration resulting from sulfidization of
terminals (silver-plated). Make sure that the location is free of corro-
sive gas or dust with no high temperature or humidity. It is recom-
mended that a switch be inspected before use if it is stored for three
months or more after the production, depending on the location.
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General Information General Information
31
Switch Trouble and Corrective Action
Type Location
of failure Failure Possible cause Corrective action
Failures
ltdt
Contact Contact
fil
Dust and dirt on the contacts. Remove the cause of the problem, place
th it h i b l d
related to
electrical
characteristics
failure Water or other liquid has penetrated into a
switch.
p,p
the switch in a box, or use a sealed
switch.
c
h
arac
t
er
i
s
ti
cs Chemical substances have been generated
on the contact surface due to the
atmosphere containing chemical corrosive
gas.
Use a switch having contacts with high
environmental resistivity (such as gold or
alloy contacts).
Chemical substances have been generated
on the contact surface when the switch
switches a very low load.
Solder flux has penetrated into the switch. Review the soldering method or use a
sealed or flux-tight switch.
Silicon gas exists near the switch. Remove the material generating gas, or
adjust contact capacity to prevent
formation of silicon compounds on the
contacts.
Malfunction The contacts are separated from each other
by vibration or shock. Use a switch having a high contact force
(generally a high OF).
Contact
welding The load connected to the switch is too high. Switch the load with a high-capacity relay
or magnetic relay or insert a contact
protection circuit.
Insulation
degradation
(b i )
Contacts have been melted and scattered
by arc. Switch the load with a high-capacity relay
or magnetic relay.
deg ada o
(burning) Water has penetrated into the switch
because the switch has been used in an
extremely hot environment.
Remove the cause of the problem, place
the switch in a box, or use a sealed
switch.
Liquid has penetrated into the switch and
been carbonized by arc heat.
Failures
related to
mechanical
htiti
Actuator Operating
failure The sliding part of the actuator has been
damaged because an excessive force was
applied on the actuator.
Make sure that no excessive force is
applied to the actuator, or use an auxiliary
actuator mechanically strong.
characteristics Foreign material like dust, dirt and oil has
penetrated into the switch. Remove the cause of the problem or place
the switch in a box.
The actuator does not release because the
operating body is too heavy. Use a switch having a higher OF.
The switch is loosely installed and thus does
not operate even when the actuator is at the
rated OP.
Secure the switch.
Low
d bilit
The shape of the dog or cam is improper. Change the design of the dog or cam.
durability The operating method is improper.
The operating speed is too high. Review the operating stroke and operating
speed.
Damage A shock has been applied to the actuator. Remove the cause of problem or use a
switch mechanically strong.
The caulked part is not good enough or the
assembled condition is poor. Replace the switch with a new one.
Deformation or drop-out
Actuator was subjected to an excessive
force and force from an inappropriate
direction.
Review the handling and operating
method.
Mounting
section Damage Screws have not been inserted straight. Check and correct screw insertion
method.
sec o
The mounting screws were tightened with
too much torque. Tighten the screws with an appropriate
torque.
The mounting pitch is wrong. Correct the pitch.
The switch is not installed on a flat surface. Install the switch on a flat surface.
Terminal Damage An excessive force was applied to the
terminal while being wired. Do not apply an excessive force.
The plastic part has been deformed by
soldering heat. Reduce the soldering time or soldering
temperature. (Refer to the information
given under Precautions for that model.)
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D3V/V/VX/D2MV/K/D2RV D3V/V/VX/D2MV/K/D2RV
152
D3V/V/VX/D2MV/K/D2RV Common Acces-
sories
Ordering Information
Actuators (Sold Separately)
Actuators are supplementary components used when operating the
Switch using cams or dogs or when transmitting mechanical move-
ments that are not in alignment with the switch plunger.
The VAL models are suitable for cases where a Switch is operated
by a rotary cam or sliding devices with relatively low operation fre-
quency.
The VAM models are designed to operate in reverse movements
and have high shock and vibration resistance. Since the OT of these
models is rather large, these models can be used for automatic con-
trol or door switches of machining tools.
The VAV models can be used for cases where a small OF is re-
quired.
Note: 1. These Actuators do not include Switches.
2. Switches with the mounting holes shown below can be
used except for special models.
Separators (Insulation Sheet) (Sold Separately)
Applicable Switches Thickness Model
D3V, V, VX, D2MV, K,
D2RV D2VW
0.18 Separator for V0.18
,, , ,,
D2RV, D2VW 0.25 Separator for V0.25
Note: The Separator is made of epoxy alkyd/varnish tetron cloth
and has heat-resistant temperature of 130°C.
Separator for Vj
Separator
Dimensions and Operating Characteristics
Note: 1. All units are in millimeter unless otherwise indicated.
2. Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
3. For operating characteristics of models not listed above, consult your OMRON sales representative.
4. The operating characteristics are for operation in the A direction ( ).
5. Model numbers are for the Actuator only.
In the case of V-15-1A5
OF max. 2.26 N {230 gf}
RF min.
{g}
0.49 N {50 gf}
OT min. 0.8 mm
MD max. 0.4 mm
FP max. 17 mm
OP 14.9±0.5 mm
Leaf Spring
VAL (Designed for models of OF 200 gf and greater)
t=0.3, width: 4.7
(Stainless-steel
spring lever)
Two, M3 16
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D3V/V/VX/D2MV/K/D2RV D3V/V/VX/D2MV/K/D2RV
153
In the case of V-15-1A5
OF max. 2.26 N {230 gf}
RF min.
{g}
0.49 N {50 gf}
OT min. 0.8 mm
MD max. 0.4 mm
FP max. 22.9 mm
OP 20.5±0.8 mm
In the case of V-15-1A5
OF max. 2.26 N {230 gf}
RF min.
{g}
0.49 N {50 gf}
OT min. 0.8 mm
MD max. 0.4 mm
FP max. 22.6 mm
OP 20.5±0.5 mm
In the case of V-15-1A5
OF max. 0.34 N {35 gf}
RF min.
{g}
0.04 N {4 gf}
PT max.
OT min
7.6 mm
36mm
OT
m
i
n.
MD max.
3
.
6
mm
4.7 mm
OP Approx. 10.6
mm
In the case of VX-5-1A2
OF max. 0.03 N {2.8 gf}
RF min.
{g}
0.002 N {0.2 gf}
PT max.
OT min
16 mm
2mm
OT
m
i
n.
MD max.
2
mm
5 mm
OP Approx. 16.7
mm
Simulated Leaf Spring
VAL12 (Designed for models of OF 200 gf and greater)
t=0.3, (Stainless-steel spring lever)
Two, M3 16
2.4R
Roller Leaf Spring
VAL2, VAL02 (Designed for models of OF 200 gf max.)
Two, M3 16
4.8 dia. 4.8 (see note)
Note: VAL2: Unlubricated polyacetal resin roller
VAL02: Stainless-steel roller
Long Hinge Lever
VAV t=1, width: 4.9 (stainless-steel lever)
Two, M3 16
44.4R
Hinge Wire Lever
VAV-5 (Designed for models of OF 25 gf max.)
0.8 dia.
(stainless-steel lever)
Two, M3 16
50R
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D3V/V/VX/D2MV/K/D2RV D3V/V/VX/D2MV/K/D2RV
154
In the case of V-15-1A5
OF max. 0.74 N {75 gf}
RF min.
{g}
0.09 N {9 gf}
PT max.
OT min
4.8 mm
15mm
OT
m
i
n.
MD max.
1
.
5
mm
1.2 mm
OP 18.6±1.6 mm
In the case of V-15-1A5
OF max. 1.96 N {200 gf}
RF min.
{g}
0.29 N {30 gf}
OT min. 7 mm
(reference value)
MD max.
(reference
value)
5 mm
FP max. 45 mm
OP 20±9 mm
In the case of V-15-1A5
OF max. 3.53 N {360 gf}
RF min.
{g}
0.69 N {70 gf}
OT min. 5 mm
(reference value)
MD max.
(reference
value)
4 mm
FP max. 30 mm
OP 20±4 mm
In the case of V-15-1A5
OF max. 2.94 N {300 gf}
RF min.
{g}
0.39 N {40 gf}
OT min. 5 mm
(reference value)
MD max.
(reference
value)
6 mm
FP max. 47 mm
OP 30±5 mm
Hinge Roller Lever
VAV2
Two, M3 16
4.8 dia. 4.8 (Unlubricated polyacetal resin roller)
19R
Reverse Long Hinge Lever
VAM t=1
(stainless-steel
lever)
Two, M3 20
62R
Reverse Hinge Lever
VAM21
t=1
(stainless-
steel lever)
Two, M3 20
26R
Reverse Roller Modified Lever
VAM-1 t=1
(stainless-
steel lever)
Two, M3 20
46.5R
7R
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D3V/V/VX/D2MV/K/D2RV D3V/V/VX/D2MV/K/D2RV
155
In the case of V-15-1A5
OF max. 3.53 N {360 gf}
RF min.
{g}
0.69 N {70 gf}
OT min.
MD
3 mm
(reference value)
MD max.
(reference
value)
4 mm
FP max. 38 mm
OP 31.3±3 mm
In the case of V-15-1A5
OF max. 2.45 N {250 gf}
RF min.
{g}
0.39 N {40 gf}
OT min.
MD
7 mm
(reference value)
MD max.
(reference
value)
6 mm
FP max. 48 mm
OP 31±6 mm
Reverse Hinge Roller Lever
VAM22
Two, M3 20
9.5 dia. 4.8.
(Stainless-
steel roller)
25R
Reverse Long Hinge Roller Lever
VAM2
Two, M3 20
9.5 dia. 4.8 (Stainless-steel roller)
51R
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Connectors Connectors
282
Connectors
Microswitches for tab-terminals listed in this catalog are compatible with other companies‘ products. The following AMP-made Connectors are
also available. For more details about AMP Connectors, contact one of the addresses listed below.
Tyco Electronics/AMP
•Japan
Phone: 81-44-844-8013
•U.S.A.
Phone: 1-800-522-6752
•Great Britain
Phone: 44-208-954-2356
•Hong Kong
Phone: 852-2735-1628
Receptacles for Quick-connect Terminals
For #110 models For #187 models For #250 models
Positive Lock Connectors
(Connectors with an easy-to-insert, secure lock mechanism.)
For #187, 1 pole For #187, 3 poles
(Compatible with V and VX
Miniature Basic Switches)
Note: Other companies’ products are listed in this catalog as general user information. We assume no responsibility for the quality or price of
other companies’ products.
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