Kyn61 33kv/630a Mv Draw-out Type Air Insulated Metal Clad Switchgear

KYN61-40.5 Medium Switchgear
KYN61-40.5( same as unigear Z3.2) air-insulated metal-clad withdrawable switchgear( hereinafter as \"switchgear\") is a kind of MV switchgear.
It is designed as withdrawable module type panel, and the withdrawable part is fitted with VD4-36E, VD4-40.5 withdrawable vacuum circuit breaker manufactured by Cooper Nature company. It can also be fitted with isolation truck, PT truck, fuses truck and so on. It is applicable to three phase AC 50/60 Hz power system, and mainly used for the transmission and distribution of electrical power and control, protection, monitoring of the circuit.

No.	Item	Unit	Parameters
1	Rated Voltage	KV	36	40.5
2	Rated Frequency	Hz	50/60
3	Rated Current	A	630 1250 1600 2000 2500 3150
4	Branch busbar rated current	A	630 1250 1600 2000 2500 3150
5	Main busbar rated current	A	630 1250 1600 2000 2500 3150
6	1min power frequency withstand voltage	KV	70	95
7	Lightening impulse withstand voltage	kV	170	185
8	Rated Short-time Withstand Current (4s)	kA	20/25/31.5/40
9	Rated Short Circuit Breaking Current(Peak)	kA	40/50/63/80/100
10	Protection type		IP4X for housing
11	Rated voltage for control Circuit	V	DC110, DC220, AC220