VS1 12KV 1250A high voltage Indoor vacuum circuit breaker

Specifications
Indoor vacuum circuit breaker
ISO ********8
VS1 *2KV ***0A high voltage Indoor vacuum circuit breaker
1.Detail description
ZN*3(VS1)**2 type Side installation indoor high voltage vacuum circuit breaker is Indoor high voltage switchgear, Applies to rated voltage *2kv, frequency *0Hz three-phase power system,Electrical protection and control as the use of vacuum circuit breaker as a result of the special advantages, in particular the need for frequent operation under the rated current or short-circuit current breaking many places.
The use of environmental conditions:
1.Ambient temperature: not higher than **0 °C, not less than **0°C
2. Altitude: not exceed ***0m.
3. Relative humidity: daily average of not more than *5%, month average of not more than *0%.
saturated vapor pressure daily average of not more than 2.2 × **3MPa, month average not more than 1.8 × **3MPa.
4. Earthquake intensity: not more than eight.
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
1 casted by Epoxy resin and silicone rubber.
2. Good tightness, moistureproof.anti-condesation
3.suitble for hot and humid place
Main specifications and technical parameters
 

NO.	Item	Unit	Parameter
1	Rated voltage	KV	*2
2	Rate frequency	Hz	*0
3	Rated lightning impulse withstand voltage(1min)	KV	*5
4	Rated short-time power frequency withstand voltage (1min)	KV	*2
5	Rated short-circuit breaking current	KA	*0	*5	*1.5	*0
6	Rated current	A	**0 ***0 ***0	**0 ***0 ***0 ***0	***0 ***0 ***0 ***0	***0 ***0 ***0 ***0
7	Rated peak withstand current	KA	*0	*3	*0	**0
8	Rated shorted-time withstand current	KA	*0	*5	*1.5	*0
9	Rated shorted-time making current(peak)	KA	*0	*3	*0	**0
*0	Power frequency withstand voltage of secondary circuit(1min)	V	***0
*1	Rated operation sequence	Â	Off*0.3s-On&Off***0s- On& Off Off ***0s- On& Off ***0s- On& Off*
*2	Rated breaking current of capacitor bank	A	**0/**0(*0kA **0/**0)
*3	Opening time(rated voltage)	ms	*0~*0
*4	Closing time(rated voltage)	ms	*0~*0
*5	Rated short-circuit current breaking times	times	*0(*0kA *0)
*6	Mechanical life	times	****0
*7	Rated opening/closing voltage	V	AC**0, **0; DC**0, **0
*8	Rated voltage of energy-storage motor	V	AC**0, **0; DC**0, **0