Overview of MNS low voltage switchgear
It is a modular cabinet type that is factory assembled (FBA) using standard modules, and its technology has reached the international advanced level. MNS low-voltage withdrawable switchgear is suitable for power plants, substations, petrochemicals, metallurgical steel rolling, transportation energy, light industry and textiles and other factories and mining enterprises, residential areas, high-rise buildings and other places, as AC 50~60Hz, rated working voltage AC 660V and below It is used for power conversion, distribution and control of power distribution equipment in power systems. This device complies with the national professional standards GB72511 "Low-voltage complete switch equipment" and JB/T9961 "Low-voltage withdrawable complete switch equipment", and also complies with international professional standards such as IEC439-1 and VDE0660 Part 5.
Model and its meaning
MNS switch cabinet technical parameters
project | parameter |
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|
Rated working voltage (V) | 380, 660 |
Rated insulation voltage (V) | 380, 1000V |
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Rated frequency(Hz) | 50 |
Main busbar operating current (A) | 5000 |
Rated withstand current of main busbar (A) | 100kA/1s |
Main bus rated peak withstand current (A) | 220kA/0.1s |
Distribution bus (vertical bus) *** operating current (A) | 1000 |
Distribution bus (vertical bus) peak current (A) | Standard type | 105kA (maximum value)/0.1s |
Enhanced | 176kA(***值)/0.1s |