VSG-C/12 Series Indoor High Voltage Lateral Type Vacuum Circuit Breaker With VSG Operating Mechanism

VSG-C/12 lateral type indoor high voltage vacuum circuit breaker uses spring to storage energy. The operating mechanism can be operated by two ways, by manual and electromotive operation, The characteristics is according with GB1984-2003 High Voltage AC Circuit Breaker, JB3855-1996 3.6-4.5KV Indoor AC High Voltage AC Circuit Breaker and IEC standard 62271-100:200162271-100:2001 High Voltage AC Circuit Breaker.

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VSG-C/12 Series Indoor High Voltage Lateral Type Vacuum Circuit Breaker With VSG Operating Mechanism

Electrical Products

Use Conditions
Technical Parameters
Dimensions

Applying Ambient Conditions of VSG-C/12 Indoor High Voltage Lateral Type VCB with VSG Operating Mechanism

1. Ambient temperature: -25℃一+40℃
2. Relative humidity: the average humidity of a day should be no mare than 95％; the average humidity of a month should be no more than 90 ％.
3. Saturated vapor pressure: the average pressure of a day should be no more than 2. 2kPa, the average humidity of a month should be no more than 1.8kPa.
4. Earthquake intensity: not exceed 8 degrees.
5. Height above sea level: ≤1000m(not including special requirements)
6. Environmental conditions: The MV vacuum circuit breaker should be used in the places without fire, explosion, serious filth, chemical erosion and violent VSL ration.

Technical Parameters of VSG-C/12 Indoor High Voltage Lateral Type VCB with VSG Operating Mechanism

NO.	Item	Unit	Data
	Type	/	Insulating cylinder/ Epoxy resin embedded poles/ Nylon embedded poles	Upper outlet/ Right outlet
1	Rated voltage	KV	12
2	Rated short time power frequency withstand voltage(1min)		42
3	Rated lighting impluse withstand voltage(peak)		75
4	Rate frequency	Hz	50
5	Rated current	A	630,1250	630,1250
6	Rated short-circuit breaking current	KA	25	31.5
7	Rated short time withstand current	KA	25	31.5
8	Rated short-circuit duration	s	4
9	Rated peak withstand current	KA	63	80
10	Rated short-circuit closing current	KA	63	80
11	Power frequency withstand voltage of secondary circuit(1 min)	v	2000
12	Rated single/ back-to-back capacitor bank breaking current	A	630/400
13	Switching time	ms	20-50
14	Closing time	ms	35-70
15	Mechanical life	time	M2 level 10000(630-125/25-31.5)
16	Electrical life	time	E2 level
17	Moving and fixed contacts allow wear accumulation thickness	mm	3
18	Rated closing operating voltage	v	AC110/AC220/DC110/DC220
19	Rate breaking operating voltage
20	Rated voltage of energy starge motor
21	Rate power of energy storage motor	w	90
22	Storage time	s	≤15
23	Contact distance	mm	11±1
24	Over stroke	mm	3±1
25	Rated order of operation	/	O-0.3s-CO-180s-CO