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SZM1(NS)Series moulded case circuit breaker (electronic type)

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Product Description

  • brief introduction
  • technical parameter
  • Product size

Application

SZM1(NS) series electronic type moulded casecircuit breaker is operating in the distribution lineof AC50Hz, rated current from 10A to 630A, ratedinsulation voltage 690V (550V for Inm=125A),rated working voltage 660V (400V for Inm=125A)and below, to distribute electric energy and protectfrom overloading, short circuit fault. At normalstatus, the breaker is also used to not frequentlytransfer the circuit, the breaker with rated framecurrent not more than 400A can be used to start
the motor not frequently. Executed standard: GB14048.2


Normal working and mounting conditions

The intelligent breaker suitable for workingunder following ambient conditions:

Mounting altitude not exceed 2000mAmbient temperature not higher than 40℃, notower than -25℃.

Mounting site has no explosive medium, or gasable to corrode the metal or damage the insulation,has no conductive dust

Rain and snow not accessible.

Pollution grade: 3

Mounting category III

Mounting mode, mounting place, and mountingangle on random.


Model



Usage category



Tripping modes and accessory code



Main Techincal Data


External And Installation Size




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