12kv vacuum circuit breaker siemens circuit breakers Cushiony silicone inside good quality vacuum tube inside    12kv vacuum circuit breaker       insulation tape circuit breaker VCF type drawable Vacuum Contactor-Fuse Combinations (also called F-C circuit) is new type vacuum switch  apparatus. With the help of the short circuit protection HV fuse and the frequently operated vacuum contactor, VCF® would be expert in controlling and protection for MV motors, transformers, and capacitors, etc. Processed with the technology of unique embedded pole by epoxy resin APG process.Using epoxy resin APG solid seal insulation technology, greatly improving the vacuum contactor on the environment(especially damp, filthy serious adverse environment) adaptability;Modular design, making the scene is very convenient installation and debugging,Streamlined products appearance design, more to ensure that the structure stability, reliability, and beautiful sex; High performance and high parameter vacuumArcing chamber and general fuse that the quality of the products and the application to the customer more at ease.

						Cushiony silicone inside
electronic component-vacuum contactors VCF
No.	Art.			Unit	Technical parameter
1	Rated voltage			Kv	12
2	Rated current			A	400
3	Rated insulated level	1min Power frequency withstand voltage		Kv	42
		Lighting impulse withstand voltage(Peak value)		Kv	75
4	Rated frequency			Hz	50
5	Rated circuit breaking current(virtual value)			A	400
6	Rated peak value withstand current			kA	10
7	4 second short time withstand current			kA	4
	Times of rated circuit current breaking			times	250000
9	Mechanism life			times	300000
10	Life-span of electricity(rated current)			times	500000
15	Suitable environment		Running environment temperature		-25~+50
			Altitude of running evironment	m	≤2500
16	Relative humidity			Average value of daily relative humidity≤95% Average value of monthly relative humidity≤90%