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

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

2.1)QGLZ(HGLZ)-160A~1600A. 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)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.

3) products with observation windows can be proveded according to the demand to observe directly the on and off state of contact

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

5)extended shaft is used for the operation outside the board

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

7)mechanical performance and electrical performance correspond to the mecnanical property of QGLZ-160A~1600A

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

9)the electric cable insulating cover can be assenbled
Note:The bridge connection is chosen, an explanation is needed to indicate the inlet or outlrt is connected with it.