PRODUCT DETAILSA complete set of primary and secondary integrated
pole circuit breaker Description:*Type LW3-12/630-20
column-mounted circuit breakers are suitable for use with a rated
voltage of 12kV*Rated current 630A, 50/60Hz distribution network
off*Turning off the load current and overload current in the power
system can automatically separate the fault distribution circuit
segments*switches with the latest technology of electronic
controller, manual operation, electric operation and remote
operation*The electronic controller is housed in a stainless steel
case and can be used in all weather conditions*In addition, the box
can also be installed with wired and wireless modems, which can
achieve remote monitoring and control*Simple column installation
and arrangement is convenient and fast, reducing the construction
cost. TECHNICAL PARAMETER Rated
parameters Other technical parameters Power frequency
withstand voltage The rated voltage12kVInternal arc
test20kA/0.1sec10sec (wet test)45kVRated current630AArc suppression
mediumSF6Gas1min (dry test)50kVRated frequency50/60HzInsulating
mediumSF6Gas1min (dry test)50kVShort-time Tolerance Current
(RMS)20kA/4secCreep distance (porcelain casing)550mmCreep distance
(silicone sleeve)615mmProtection grade54 Mechanical properties
of
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