40.5kV 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	40.5
2	1 min power-frequency withstand voltage	Common Value	kV	95
		Vacuum/Isolation Gap		118
3	Lightning Impulse Withstand Voltage	Common Value	kV	185
		Vacuum/Isolation Gap		215
4	Rated Frequency		Hz	50
5	Rated Short-Time Withstand Current (RMS)		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	Circuit breaker short-circuit breaking current (RMS)		kA	31.5
10	Electrical life [E2 class] (31.5kA)		times	50
11	Circuit breaker mechanical life		times	30000
12	Disconnector & grounding switch mechanical life		times	10000
13	Rated filling pressure (gauge pressure, ambient temperature 20℃)		MPa	0.05
14	Minimum functional pressure (gauge pressure, ambient temperature 20℃)		MPa	0.03
15	Gas moisture content (ambient temperature 20℃)		ppm	≤120
16	Main circuit resistance		μΩ	≤135
17	Partial discharge quantity (pre-applied voltage 52.6kV, measuring voltage 44.6kV)		pC	≤20
18	Insulating gas type		Dry air
19	Annual leakage rate		≤0.1%
20	Protection rating		Gas-filled enclosure IP67
			Enclosure IP4X