Equipped with ZN85-40.5(3AV3) type removable vacuum circuit breaker or SF type and FP series SF6 circuit breaker, KYN 61-40.5 AC metal-clad removable switchgear 9hereinafter referred to as switchgear) is suitable for three-phase AC 50Hz, 35KV single bus-bar sectioning power System, mainly used to receive and distribute electric energy in power plant, transformer substation, industrial and mining enterprise and tall building, etc, what's more, it also can control, protect and monitor the circuit. This product meets the requirements stipulated in tandards IEC 60298, GB3906 and DL 404 as well, and has perfect five-prevention function.

Rated voltage	40.5 KV	Power frequency withstand voltage (virtual value) KV
Rated frequency	50 Hz	Phase to phase, phase to earth, between open contacts of primary isolation   95 115
Rated current of main bus-bar(A)	1250 A 1600A 2000A	Lightning impulse withstand voltage (peak value)  185 215
Rated current of branch bus-bar (A)	630A 1250A 1600A	Auxiliary control circuit 1min
Rated insulation level	1 min	Power frequency withstand voltage 2000