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Summary of Contents for CHINT NBH8-40 Series
- Page 1 NO:2020.03 NBH8-40 Series Miniature Circuit Breaker User Instruction Standard: IEC/EN 60898-1...
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Page 2: Safety Warning
Safety Warning The product can only be installed and maintained by professionals. 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. -
Page 3: Purpose Of Use
Purpose of Use The NBH8-40 series miniature circuit breakers are applicable to circuits with frequency of AC 50/60 Hz, rated voltage up to 240 V and rated current up to 40 A. It provides overload and short circuit protection, and can also be used for infrequent switching of the circuit under normal circumstances. -
Page 4: Installation
Installation 1. Outline and installation dimensions Unit:mm 2. On-off indication Green •OFF I•ON... - Page 5 3. Installation ① ② TH35-7.5 type mounting rail 4. Disassembly ① ② 5. Wiring: copper wires only Table 2 Copper wire cross-sectional area Rated current (In) (A) Copper wire cross-sectional area mm 16, 20...
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Page 6: Maintenance
Wiring torque 1.5N·m 11.5mm 10mm 16mm Maintenance 1. Check the circuit breaker on a regular basis during operation; 2. After the circuit breaker cuts off the overload or short-circuit current, the fault should be eliminated before closing the circuit breaker. Table 3 Analysis and troubleshooting of common faults Symptoms Cause analysis... -
Page 7: Environmental Protection
QC PASS NBH8-40 Series Miniature Circuit Breaker IEC/EN 60898-1 Check 12 Test date: Please see The packing ZHEJIANG CHINT ELECTRICS CO.,LTD. - Page 8 NBH8-40 Series Miniature 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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