CHINT ND16 Series Installation instructions

NO:2020.04
Standard:IEC/EN 60947-5-1
ND16 Series
Signal Light
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
ND16 series signal light is used as indicator, distant signal, accident
signal and other signals in telecommunication and electrical circuits with
frequency of AC 50 (or 60) Hz, rated voltage up to 400V and DC rated
voltage up to 400V.
Use Purpose
Key Technical Parameters
Table 1 Environmental conditions and 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)
Rated impulse withstand
voltage Uimp(kV)
Service life (h)
Head protection class
Allowable voltage
fluctuation range
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 3/II
AC/DC(6,12,24,36,48,110,220,230,240,380,400),
AC(110,220,230, 240, 380,400),
see product nameplate for details
≤20
400
4
≥30000
IP65, IP40, (Buzzer: IP20)
±10%

Mounting hole diameter
02
3
Installation
1) See Figure 1 and Table 2 for overall and installation dimensions.
Figure 1 Overall dimensions
Table 2 Overall and installation dimensions
Unit:mm
Product model
ND16-22A
ND16-22AS
ND16-22B
ND16-22BS
ND16-22C
ND16-22CS
ND16-22D
ND16-22DS
ND16-22BK
ND16-22S
ND16-22 buzzer
ND16-16
A B C
64
53
64
53
62
51
64
52
64
60.5
54
46
Φ31
Φ31
Φ31
Φ31
Φ31
Φ31
Φ31.5
Φ31.5
Φ31
Φ31.5
Φ31
Φ19.5
14
14
14.5
14.5
13
13
15.5
15.5
14.5
15.5
16
10
Φ22.3
Φ16.2

03
Table 3 Wire selection and tightening torque
2) See Table 3 for wire selection and tightening torque.
Terminal tightening
torque N.m
M3.5
0.8 1.2~
M3
0.6 0.8~
M2.5
0.4 0.5~
Wire (Hard)
mm²
Wire (Soft)
mm² Remarks
1) Use hard wire or
soft wire for a
single connection.
One terminal can
connect up to two
wires with the same
sectional area and
type;
2) Wire strip length:
8mm.
8mm
8mm
2×
(0.5 2.5)~
2×
(0.5 1.5)~
2×
(0.5 1.5)~
2×
(0.5 2.5)~
2×
(0.5 1.5)~
2×
(0.5 1.5)~
3) See Figure 2 for installation diagram.
Figure 2 Installation diagram
1
2
Seal ring
Body
Mounting plate thickness
1mm~6mm
Locking nut
Tightening torque
1.8N.m

04
4
Maintenance
Tighten the terminals of the signal light on a regular basis.
Tighten the locking nut of the signal light on a regular basis.
Table 4 Analysis and Troubleshooting of Faults
Symptoms Cause analysis Troubleshooting method
The light is
out
Check if the wire and the
terminal are reliably contacted
with each other.
Connect the wire securely.
The light is
burnt
Screw
slippage
Check if the light is working
under rated operating voltage.
Check if there is short circuit.
Check input voltage.
Check incoming line.
The screws are overtightened Tighten the screws with specified
torque.
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.
ND16 Series
Signal Light
IEC/EN 60947-5-1
Check 36
05

ND16 Series
Signal Light
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