CHINT NH4-125 User Instruction

Switch disconnector

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NO:2020.04
NH4-125
Switch disconnector
User Instruction
Standard: IEC/EN 60947-3

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Summary of Contents for CHINT NH4-125

  • Page 1 NO:2020.04 NH4-125 Switch disconnector User Instruction Standard: IEC/EN 60947-3...
  • 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 are flammable or explosive gases or moisture or condensation. The power must be turned off when installing and maintaining the product.
  • Page 3: Purpose Of Use

    Purpose of Use The NH4-125 isolating switch is suitable for power distribution and control circuits with AC 50Hz/60Hz frequency, rated voltage up to 240V or 415V and rated current up to 125A. It is used as the main switch at the appliance set terminal and can also be used to control various low-power appliances and lighting infrequently.
  • Page 4: Installation

    Installation 1. Outline and installation dimensions Unit:mm Poles 2P~4P H(mm) -1.2 -1.2 2. On-off indication Closed Green Break...
  • Page 5 3. Installation ① ② TH35-7.5 type mounting rail 4. Disassembly ① ② 5. Wiring: Copper wire connection. See Table 2 for wire connection. The wiring method and strip length are shown in Figure 5. Table 2 Copper wire cross-sectional area Rated current In (A) Copper wire cross-sectional area (mm )
  • Page 6: Maintenance

    Incoming side Wiring torque 20mm 2.5 N ·m 50mm 50mm Outgoing side Maintenance When the isolating switch should be checked regularly when it is in operation; Operate the isolating switch manually for several times before it is powered on. The manual operation should be flexible and reliable without getting stuck.
  • Page 7: Environmental Protection

    QC PASS NH4-125 Switch disconnector IEC/EN 60947-3 Check 51 Test date: Please see The packing ZHEJIANG CHINT ELECTRICS CO.,LTD.
  • Page 8 NH4-125 Switch disconnector 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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