CHINT NP6 Series Installation instructions

NO:2020.09
Standard:IEC/EN 60947-5-1
NP6 Series
Pushbutton
User Instruction

Safety Warning
1
2
3
4
Only professional technicians are allowed for installation and
maintenance.
Installation in any damp, condensed-phase environment with
inflammable and explosive gas is forbidden.
When the product is being installed or maintained, the power
must be switched off.
You are prohibited from touching the conductive part when
the product is operating.

1
2
01
NP6 series pushbutton is used in industrial control circuit with frequency
of AC 50Hz (or 60Hz), AC operating voltage up to 220V or DC operating
voltage up to 220V. It can be used as command element or power switch in
numerical control equipment, instruments and apparatus and small control
equipment. Pushbutton with indicator is also suitable for applications that
need signal light indication.
Use Purpose
Main Technical Parameters
Table 1 Main technical parameters
Environmental
conditions
Ambient temp. (℃)
Hot and humid
atmospheric conditions
Altitude
Pollution class/
installation category
Rated operating voltage
Ue(V)
Rated operating current
Ie(mA)
Rated insulation voltage
Ui(V)
Conventional thermal
current Ith(A)
Rated impulse withstand
voltage Uimp(kV)
Head protection class
Technical
parameters
-5℃~+40℃, average temperature should
not exceed +35℃ within 24h
Relative humidity should not exceed
50% at +40℃; up to 90% at +20℃;
No influence below 2000m
Class 2/II
AC-15: 220/110; DC-13: 220/24
250
3
1.5
IP40
AC-15: 0.5/0.7; DC-13: 0.1/0.7
Rated operating voltage
of button with indicator
Ue(V)
See product body for details
Rated operating current
of button with indicator
Ie(mA)
See product body for details

02
Figure 3 Overall dimensions of NP6-Y
3
Installation
1) The peforating diameter of the mounting hole for the button is Φ16, the
minimum center to center distance of mounting holes should not be smaller
than 25mm, see Figure 1 - Figure 4 for overall dimensions.
Figure 1 Overall dimensions of NP6-DS, D, BS, B, XD
Figure 2 Overall dimensions of NP6-X
Unit：mm
Unit：mm
Unit：mm
40max 18max
24max
18max
18max Φ18max
46max 18max
24max
18max
18max Φ18max
58max 18max
24max
18max
18max Φ18max

03
Figure 4
Overall dimensions of NP6-J
Figure 6 Installation diagram of NP6 pushbutton
2) Installation procedure and method
Before using the pushbutton, remove the plastic locking nuts and anti-
rotating ring on the pushbutton first, then insert the pushbutton in the front
of the panel. Install the anti-rotating ring in the back of the panel. Tighten
the plastic locking nuts so that the pushbutton is secured on the panel
before welding the power line.
Unit：mm
49max
Φ24max
49max
Φ24max
Figure 5
Overall dimensions of NP6-ZS
Unit：mm

04
Table 2 Analysis and Troubleshooting of Faults
Symptons Cause analysis Troubleshooting method
Poor contact
of the button
Check if the wire is loose
or disconnected
The the terminals to see if there is cold joint
or missing joint.
4
Maintenance
Tighten the terminals of the button on a regular basis to make sure the
wires are connected securely.
Tighten the fixing screws of the pushbutton on a regular basis.
Disconnect the power before regular maintenance to ensure personal
safety.
It is recommended to conduct maintenance once a month.
See Table 2 for Analysis and Troubleshooting of Faults.
5
Environmental Protection
In order to protect the environment, the product or product parts
should be disposed of according to the industrial waste treatment process,
or be sent to the recycling station for assortment, dismantling and recycling
according to local regulations.

QC PASS
Test date: Please see the packing
ZHEJIANG CHINT ELECTRICS CO., LTD.
NP6 Series
Pushbutton
IEC/EN 60947-5-1
Check 34
05

NP6 Series
Pushbutton
User Instruction
Zhejiang Chint Electrics Co., Ltd.
Add: No.1, CHINT Road, CHINT Industrial Zone,North Baixiang,
Yueqing, Zhejiang 325603,P.R.China
E-mail: [e-mail]
Website: http://en.chint.com