High Quality Outdoor on-Load Break Switch Isolator Disconnector

Product Description

General
Outdoor on load break switch disconnector contained in this list are destined to switch stub lines and ring main lines or transformers (It can be equipped with MV HRC fuse links as short circuit protection fuction) or for switching under on load conditions. This disconnector complies with IEC/IEEE and DVE-recommendation standards especially comply with DIN VDE 0670 part 3 and IEC 60265, IEC 129.
Service environment
Ambient Temperature: -40ºC - +50ºC
Altitude: 2500m
Frequency: 50Hz / 60Hz
Maximum Wind Speed: 35m/s
Product Parameters

Name			Unit	Data
Rated voltage			kV	12	24	36
Rated frequency			Hz	50/60
Rated current			A	200/400/630
Rated short circuit withstand current (1S)			kA	20
Rated peak withstand current(1S)			kA	50
Rated making current			kA	31.5-50
Rated insulation level (HV)	lightning impulse		kV	75/85	125/145	170/195
	Power frequency withstand			45	55/75	75/100
Rated short circuit breaking capacity cos.Φ(0.7) Without maintenance of contacts			A	/
for active circuits		20 breakings		630	630	400
		30 breakings		400	400	300
		40 breakings		300	300	250
		50 breakings		250	250	170
		75 breakings		170	170	160
		120 breakings		110	110	110
		200 breakings		65	65	65
		280 breakings		50	50	50
For ring circuits breaking capacity				630	400	250
Rated breaking capacity of transformer				50
Rated breaking capacity of cable charging				11
Rated breaking capacity of earthing fault				56

Certifications

Workshop

Packaging & Shipping

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