12kV Environmentally Friendly Gas Insulated Switchgear

环保气体柜.png 环保气体开关柜优点.png

Product Parameters

No.	Item		Unit	Parameter
1	Rated Voltage		kV	12
2	1 min Power-Frequency Withstand Voltage (Zero Gauge Pressure)	General Value	kV	42
		Vacuum/Isolating Distance		48
3	Lightning Impulse Withstand Voltage (Zero Gauge Pressure)	General Value	kV	75
		Vacuum/Isolating Distance		85
4	Rated Frequency		Hz	50
5	Rated Short-Time Withstand Current (r.m.s.)		kA	31.5
6	Rated Peak Withstand Current (peak)		kA	80
7	Rated Short-Time Withstand Current Duration		s	4
8	Rated Continuous Current		A	1250
9	Rated filling pressure (gauge pressure, ambient temperature 20℃)		MPa	0.03
10	Minimum operating pressure (gauge pressure, ambient temperature 20℃)		MPa	0.01
11	Electrical endurance [Class E2] (31.5kA)		operations	50
12	Circuit breaker mechanical life		operations	20000
13	Disconnector & earthing switch mechanical life		operations	10000
14	Circuit breaker short-circuit breaking current (r.m.s.)		kA	31.5
15	Busbar rated continuous current		A	1250
16	Gas moisture content (ambient temperature 20℃)		ppm	≤250
17	Main circuit resistance		μΩ	≤120
18	Partial discharge magnitude (pre-applied voltage 15.6kV, measurement voltage 13.2kV)		pC	≤20
19	Insulating gas type		Clean air
20	Annual leakage rate		≤0.1%
21	Degree of protection		Gas compartment IP67
			Other compartments IP4X