CHINT NL1-63 Montageanleitung
NO:2020.04
Standard: IEC/EN 61008-1
User Instruction
NL1-63
Residual Current Operated
Circuit Breaker
The product can only be installed and maintained by
professionals.
This product is strictly prohibited from being installed in an
environment where there is flammable or explosive gases or
moisture or condensation.
The power must be turned off when installing and repairing the
product.
It is strictly prohibited to touch the conductive parts of the
product when it is in operation.
It is strictly prohibited to test the performance of the product by
the direct contact of the hot wire against the grounding device or
the direct short circuit of the hot wire and the neutral wire.
The protection characteristics of the product are set by the
manufacturer. It is not allowed to dismantle or adjust the circuit
breaker at will.
It is strictly prohibited for children to play with the product or
packaging materials.
Foreign matter should be prevented from falling into the
product.
Do not install the product in places where gaseous media can
corrode metals and damage insulation.
Install the product in a well-sealed terminal box.
Safety Warning
1
2
3
4
5
6
7
8
9
When the product is installed and used, the wiring screws should
be tightened, the wires should not be easy to loosen or pull out
and should be selected in strict accordance with the
requirements, and the power supply and load should comply
with the requirements.
The product cannot protect against the danger of electric shock
caused by touching both wires of the protected circuit at the
same time.
The product must be wired correctly in strict accordance with
the wiring diagram.
The product is not suitable for the direct start of high-
inductive and high-capacity loads, such as fans, electric
motors, electric heating equipment, capacitor cabinets, etc.
The product does not have overload and short-circuit
protection functions, and an additional circuit breaker is
required for protection.
11
12
10
13
14
01
Purpose of Use
1
Key Technical Parameters
2
The NL1-63 residual current operated circuit breaker is suitable for a line
with a frequency of AC 50/60Hz, a rated voltage of up to 240/415 V and a
rated current of up to 63A. It provides leakage protection, and can also be
used for infrequent making and breaking of the circuit under normal
circumstances.
Table 1 Key Technical Parameters
1
2
3
4
No. Parameter or performance Parameter value or performance value
Rated voltage (Un)
Rated current (In)
1P+N: AC 230V/240V; 3P+N: AC 400V/415V
16A, 25A, 32A, 40A, 63A
5
6
7
8
Rated residual operating
current (IΔn)
Operating conditions with
DC components
By the delay when the
residual current appears
Rated limited short-circuit
capacity (Inc)
Rated residual making and
breaking capacity (IΔm)
0.01A (only 1P+N, 16/25/32A),
0.03A, 0.1A, 0.3A, 0.5A
A type and AC type
No delay: general purpose type, and SI/G type
6,000A, 10,000A
500A (In=16A, 25A, 32A, 40A),
630A (In=63A)
Altitude
Pollution level
Protection level
Installation category
≤ 2,000m
Level 2
IP20
Class II and III
9
10
11
02
Installation
3
1. Outline and installation size
2. Making and breaking instructions
1P+N 3P+N
36 0
-0.62 72 0
-1.2
79 0
-1.2
49.5±0.31
86 0
-1.4
45±0.31
Unit:mm
White
l·ON
Leakage
indicator
O·OFF
Red
Manual
disconnected
O·OFF
White
03
3. Installation
4. Disassembly
TH35-7.5 type mounting rail
7.5
35
27
①
②
① ②
Test regularly
2.5 N·m
16
25
32
40
63
2.5
4
6
10
16
Rated current In (A) 2
Copper wire cross-sectional area (mm )
Table 2 Copper wire cross-sectional area
04
5. Wiring: Suitable for copper wire or busbar connection. See Table 2 for
wire connection
Note: Before powering on, check whether the wiring is correct, especially the incoming end should be
connected to the power supply and the outgoing end should be connected to the load, and verify the
flexibility of the handle action.
S
25mm2
L
13mm
S
16 mm 2
05
Maintenance
4
-- The circuit breaker should be checked regularly when it is in operation;
-- After the associated circuit breaker cuts off the residual current, the fault
should be eliminated before closing.
Environmental Protection
5
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.
Table 3 Analysis and Troubleshooting of Common Faults
Symptoms Cause analysis Troubleshooting methods
and precautians
Large residual current existing in
the circuit
Residual current in the circuit is
within the operating range of the
circuit breaker
Frequent
switching action
Handle cannot be
closed
Check the circuit, and operate
after troubleshooting
Check the circuit, and operate
after troubleshooting
Use a circuit breaker with a
large rated residual operating
current
The product does
not work when
the test button
is pressed
Terminal
temperature is
too high
Poor terminal contact Tighten the wiring screws
Button disabled
Replace the product(Do not
press the button continuously
for more than 2s)
Terminal not tightened Tighten the wiring screws
The cross-sectional area of the
selected wire is too small
Use a wire with the right
cross-sectional area
QC PASS
Test date: Please see The packing
ZHEJIANG CHINT ELECTRICS CO.,LTD.
NL1-63
Residual Current Operated
Circuit Breaker
IEC/EN 61008-1
Check 12
06
NL1-63
Residual Current Operated
Circuit Breaker
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: global-sales@chint.com
Website: http://en.chint.com
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