CHINT NL1-63 User Instruction

CHINT NL1-63 User Instruction

Residual current operated circuit breaker

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NO:2020.04
NL1-63
Residual Current Operated
Circuit Breaker
User Instruction
Standard: IEC/EN 61008-1

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Summary of Contents for CHINT NL1-63

  • Page 1 NO:2020.04 NL1-63 Residual Current Operated Circuit Breaker User Instruction Standard: IEC/EN 61008-1...
  • Page 2: Safety Warning

    Safety Warning 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.
  • Page 3 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.
  • Page 4: Purpose Of Use

    Purpose of Use 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.
  • Page 5: Installation

    Installation 1. Outline and installation size Unit:mm -1.2 49.5±0.31 -0.62 -1.2 1P+N 3P+N 2. Making and breaking instructions Manual Leakage disconnected indicator White White l·ON O·OFF O·OFF...
  • Page 6 3. Installation ① TH35-7.5 type mounting rail ② 4. Disassembly ① ②...
  • Page 7 5. Wiring: Suitable for copper wire or busbar connection. See Table 2 for wire connection Table 2 Copper wire cross-sectional area Rated current I Copper wire cross-sectional area (mm ) 13mm 16mm 25mm 2.5 N·m Test regularly 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.
  • Page 8: Maintenance

    Maintenance -- 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. Table 3 Analysis and Troubleshooting of Common Faults Troubleshooting methods Symptoms Cause analysis...
  • Page 9 QC PASS NL1-63 Residual Current Operated Circuit Breaker IEC/EN 61008-1 Check 12 Test date: Please see The packing ZHEJIANG CHINT ELECTRICS CO.,LTD.
  • Page 10 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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