1. Manuals
  2. Brands
  3. CHINT Manuals
  4. Relays
  5. NR8-200
  6. User instruction

CHINT NR8-200 User Instruction

Electronic overload relay
Hide thumbs
1
2
3
4
5
6
7
8
9
Table of Contents

Advertisement

Quick Links

Download this manual
NO:2020.05
NR8-200、NR8-630
Electronic Overload Relay
User Instruction
Standard: IEC/EN 60947-4-1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the NR8-200 and is the answer not in the manual?

Questions and answers

Related Manuals for CHINT NR8-200

Summary of Contents for CHINT NR8-200

  • Page 1 NO:2020.05 NR8-200、NR8-630 Electronic Overload Relay User Instruction Standard: IEC/EN 60947-4-1...

  • Page 2: Safety Warning

    Safety Warning 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.

  • Page 3: Main Technical Parameters

    NR8-200、NR8-630 Electronic Overload Relay Use Purpose NR8-200, NR8-630 electronic overload relay (hereinafter referred to as relay) is applicable to circuits with frequency of AC 50Hz or 60Hz, rated operating voltage up to 690V and current from 80A to 630A. It is used for overload protection and phase-failure protection of 3-phase AC motor.

  • Page 4: Installation

    1000 1 1.2 1.5 2 8 10 I/Ie Figure 1 Relay time - current characteristic curve Installation 3.1 Installation Unit: mm 1/L1 3/L2 5/L3 NR8-200 Test Stop Reset 2/T1 4/T2 6/T3 104±0.35 141.2±0.9 128±0.7 Figure 2 Product overall dimensions (NR8-200)
  • Page 5 NR8-200、NR8-630 Electronic Overload Relay Unit: mm 1/L1 3/L2 5/L3 NR8-630 Test Reset Stop 96 97 2/T1 4/T2 6/T3 161±0.9 128±0.4 156±0.7 Figure 3 Product overall dimensions (NR8-630) Table 3 Wiring torque reference M3.5 NR8-200 0.75~2.5 0.75 2.5 0.75 2.5 0.75 2.5 0.75 2.5...

  • Page 6: Maintenance

    NR8-200、NR8-630 Electronic Overload Relay 3.2 Operation and commissioning Table 4 Indicator status Indicator status Circuit working status Green light flashing, red light off Normal Green light flashing, red light on Overload delay Green light on, red light flashing Phase-failure delay...

  • Page 7: Environmental Protection

    NR8-200、NR8-630 Electronic Overload Relay Table 5 Analysis and Troubleshooting of Faults Symptoms Cause anaylsis Troubleshooting method and precautions Change to product with bigger size. Size is too small Misoperation of thermal The set current value is smaller than the actual...
  • Page 8 NR8-200、NR8-630 Electronic Overload Relay QC PASS NR8-200、NR8-630 Electronic Overload Relay IEC/EN 60947-4-1 Check 23 Test date: Please see the packing ZHEJIANG CHINT ELECTRICS CO., LTD.
  • Page 9 NR8-200、NR8-630 Electronic Overload Relay 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...

This manual is also suitable for:

Nr8-630

Table of Contents