1 General                                          

     Being air-insulated withdrawable switchgear, KYN28-12 is designed for 3-phase AC 3.6 /7.2 / 12kV 50 / 60 Hz. Widely used in power distribution of power plants, industrial and mining enterprise, municipal engineering; power transmission of substation; frequently started HV motor.

 It complies with IEC 62271-200.

2 Features

2.1 Withdrawable design:

     It's in withdrawable design, which brings easier maintenance and safer operation.

2.2 Wide matching:

     It can be matched with many kinds of vacuum circuit breakers, such as Clou MEV9, ABB VD4, SIEMENS 3AE, Schneider HVX, etc.

3 Technical Data

 4 Drawing

      

    (A, Busbar B, Circuit breaker cubicle C, Cable cubicle D, Relay instrument cubicle )

1, Enclosure  2, Small branch bus  3, Bus bushing  4, Main busbar  5, Fixed contact device   6, Fixed contact box   7, Current transformer  8, Earthing switch 9, Cable 10, Surge arrester 11, Main earthing busbar 12, Base plate 13, Control mini busbar 14, Operating device of earthing switch 15, Withdrawable level board 16, Heating device 17, Withdrawable VCB 18, Secondary plug  19, Shutter 20, Partition 21, Pressure release device