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Transformer High voltage cabinet Low voltage cabinet Outdoor complete equipment

MLS

Implement GB7251.1、GB7251.12、JB/T9661、IEC60439-1、BS EN60439-1 Standard

Hotline：+86-570-4982909　銷(xiāo)售熱線(xiàn)：+86-570-4982880

Description

Feature

Parameter

The MLS low-voltage drawer type switchgear is a low-voltage switchgear that uses standard modules and is factory assembled (FBA). It is suitable for power distribution systems with AC 50 (60) Hz, rated working voltage ≤ 400V, rated working current 5000A and below, and is used for energy distribution, conversion, control, and reactive power compensation.

Project Name		Technical Parameter
Rated working voltage	Main circuit	≤AC400V
Rated working voltage	Auxiliary circuit	≤AC380V,≤DC220V
Rated insulation voltage	Main circuit	AC690V
Rated impulse withstand voltage	Main circuit	6、8
Rated working current (at IP4X) A	Main busbar	≤5000、≤3600(MLSDouble sided cabinet)
Rated working current (at IP4X) A	Vertical busbar	790、1000、1250、1600(Withdrawable type, ≤ 2500 (plug-in MCCB)
Rated short time withstand current KA/1 second	Main busbar	50、65、80、100
Rated short time withstand current KA/1 second	Vertical busbar	50、65、80、90
Rated peak withstand current KA/0.1 seconds	Main busbar	105、143、176、220
Rated peak withstand current KA/0.1 seconds	Vertical busbar	105、143、176、198

? When the protection level is IP55, the rated working current of the main busbar is S2500A.