400V 400a 3 Phase Changeover Switch Automatic

Changeover switch 3P 400A Manual transfer Switch automatic power changeover switch

General

1.1)International standard
IEC 60947-1(1998)
IEC 60947-3(1999)

1.2).National standard
GB/14048.1-2000
GB/T14048.3-2002

2.1) The load isolation switch is suitable for the changeover of two sets of low voltage electric circuit or the change over of 2 sets of load devices or safety isolation.

2.2)Mode of operation
Direct operation:handle is installed on the switch
Operation outside the board:handle is installed outside the door of power distributing board.

If you need operation outside the board,then it is with extended shaft that is used for the operation outside the board.

2.3)the products have 3poles, 4poles(three poles+on and off neural pole)

2.4)two sets of auiliary contacts can be assmebled according to the demand.

So if you need,please do talk with us or leave message when you send us enquiry.If you do not mention about this,our switch will not include auiliary contacts.