MEMU

MNSnt low-voltage switchgear

Main features of the product

The frame is made of C-shaped profiles with excellent rigidity and 25mm spaced modular holes, which are connected by bolts for easy maintenance

Fully isolated, internal compartments meet the requirements of IEC439-1 "Form 4"

The protection level of the shell is IP31, IP40, IP54

The anti misoperation interlocking is jointly completed by the circuit breaker operating handle mechanism and the drawer position mechanical interlocking operating mechanism, with strong logic and flexible implementation of cabinet interlocking

Based on 8E as the basic unit, there are functional units including 8E/4, 8E/2, 6E, 8E, 12E, 16E, 24E, 32E, and 72E. One MCC cabinet can accommodate up to 36 functional units and can achieve mixed PC and MCC configurations

Technical parameter


Serial number Name Unit Main technical parameters
1 Rated working voltage  Main circuit V 400,690
 Auxiliary circuit V AC220,AC380,DC110,DC220
2  Rated insulation voltage  Main circuit V 690,1000
3  Rated impulse withstand voltage 1.2/50us  Main circuit kV 6,8
4   Rated short-time withstand current Horizontal busbar kA/1S 50,65,80,100
 Vertical busbar kA/1S 50,65,80
5  Rated peak withstand current  Horizontal busbar kA/0.1S 105,143,176,220
 Vertical busbar kA/0.1S 105,143,176









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