HAVELLS changeover switch

HAVELLSchangeover switch Certificate:CE,ISO9001 Isolation switch (Manual transfer switch) BTGLZ-160A 250A. 1.suitabled for the changover of two sets of low voltage electric circuit or the changeover of 2 set of ON-Load devices or safety insulation. 2.Model of operation:Direct operation:Handle is installed on the switch. 3.Operation outside the board:Handle is installed outside the door of power distributing board. 4.Products with observation windows can be provided according to the demand to observe directly the ON and OFF status of contact. 5.The products have three poles,four poles and (Three+ON and OFF Neutral pole). 6.Extended shaft is used for the operation outside the board.Two sets of auxiliary conatcts can be assembled according to the demand. 7.Mechanical property and electric property correspond to the mechanical property and electric property of BTGLZ-160A 250A. 8.A bridge can provided to content the inlet or outlet terminal of the switch. 9.Note:The bridge connection is chosen,and explanation is needed to indicate the inlet or outlet is connected with it.63 250A is suitable for the ON and OFF of electric circuit or electric insulation.Those over 1000A are only suitable for electric insulation.160A 250A possess three poles,and four pole(Three pole+ON off neutral pole).