Residual current operated circuit breaker (10 pages)
Summary of Contents for CHINT NC7 Series
Page 1
NO:2020.04 NC7-09~95 AC Contactor User Instruction Standard: IEC/EN 60947-4-1...
Page 2
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
Use Purpose NC7-09~95 series AC contactor is mainly used in AC 50Hz (or 60Hz) circuits with rated operating voltage up to 690V. It can be used to frequently start and control motor or remotely connect and disconnect circuit under 400V (380V) AC-3 application category. It can be used with proper thermal overload relay to act as electromagnetic starter.
Page 10
Continued Table 4 Unit:mm Model Amax Bmax Cmax Φ NC7-4011N~6511N NC7-8011N~9511N Maintenance Check if the contactor can operate reliably every month. Method: Check if the contactor inclines 5° forward upon pick-up and inclines 5° backward upon release. Conduct maintenance every month. Note: Do not disassemble, assemble and repair the product at will.
Page 11
QC PASS NC7-09 95 ~ AC Contactor IEC/EN 60947-4-1 Check 06 Test date: Please see the packing ZHEJIANG CHINT ELECTRICS CO.,LTD.
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