Product Details

1.General description
KYN28-12 metal clad withdrawable AC metal enclosed switchgear is used in three phase AC 50/60 HZ,12KV power system. It is mainly applied as electric energy accepting and distributing equipment in power plants, substations, mining industries, railway transportation, high buildings. It can also control, protect and monitor the electric circuit. It meets IEC60298,GB3906,DL/T404 standards and has perfect Five-Prevention functions.

2.Features
1, the cubicle body is made of Al-Zn plate by bending many times
2, each cabinet is total metal-clad and separated completely
3, all the operations take place when the cubicle door is closed
4, the cubicle housing has good sealing to prevent foreign matters and insects
5, VS1+,VD4 vacuum circuit breaker can be equipped
6, easy to change the circuit breaker, and handcart is interchangeable
7, switchgear can be installed close to the wall and maintain it in front
8, there is enough space in the cable chamber, many cables can be connected
9,cable chamber installation status can be easily observed through the panel door

3. Specifications

Rated voltage			KV	12
1 min power frequency withstand voltage		P-P,P-E	KV	42
		Across isolating distance	KV	48
Lightning impulse withstand voltage	P-P,P-E		KV	75
	Across isolating distance		KV	85
Rated short time withstand current (4S)			KA	20/25/31.5
Rated short circuit breaking current (effective value)			KA	20/25/31.5
Rated short circuit making current (peak)			KA	50/63/80
Rated feeder line current			A	630~1250
Rated busbar current			A	630~1250
Protection degree				IP4X

4.Packing

5. Product photo show