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.

2.5)A copper bridge can provided to connect the inlet or outle terminal of the switch

3.1)Working Condition

1)the altitude is not more than 2000meters;

2)enviroment temperature is between -5°c-40°c;

3)the relative humidity is not more than 95%;

4)places without explosive dangerous medium.