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ZN85-40.5 Indoor Vacuum Circuit Breaker
ZN85-40.5 Indoor Vacuum Circuit Breaker
ZN85-40.5 Indoor Vacuum Circuit Breaker
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 Product Information
ZN85-40.5(3AV3) indoor vacuum circuit breaker is a special design which produced by our company and Xi'an High-voltage Electric Apparatus Institute. 40.5kV rated voltage, three-phase and AC 50/60HZ. It applies to mining firms, power house and substation acting as protection and control electric apparatus. It is also applicable in occasions with frequent operation.
 Product Features
  1、The arc-extinguish chamber is on the upper part and the mechanism is on the lower part. This structure isconvenient for debug.
  2、Complex insulating structire using air and organic material; Compactable dimension and small weight.
  3、Vacuum arc-extinguish chamber of Cutler-Hammer Company(USA) and domestic ZMD are both applicable for the VCB.
  4、Simple spring operation mechanism is free from maintenance within 10000 times of operations.
  5、Lead-screw propeller, easy and stable operation and good self-locking capability.
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