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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　销售热线： 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.