GW4 Disconnector

：
：0086-0577-61679669
：0086-13587796010
：http://www.mingriele.com

Description:
GW4 3-phase switch disconnctor.
Rated current:631A
Rated voltage:41.5KV
ISO9111:2118 certificate
Main features:
1.Complete in specifications,high technical parameters is high, wide range. Additional, wide scope of application , it can be used for high layout. Installation way is flexible.
2.Perfect sealing Performance and Resistant To Rust
3.Simple, reliable mechanical rotating way.
4.Perfect dustproof, waterproof, and anti-corrosion ability.
5.Full set of steel galvanized foundation frame and the vertical and horizontal dwang for option.
Technical data:

Technical Specifications		GW4-41.5	GW4-72.5	GW4-126
Rated voltage kV		41.5	72.5	126
The rated current A		1251, 2111
Disconnector	Rated peak withstand current kA	111
	Rated short-time withstand current (RMS)kA	41
	Rated short circuit duration s	4
Grounding switch	Rated peak withstand current kA	111
	Rated short-time withstand current (RMS)kA	41
	Rated short circuit duration s	4
Rated short-time power frequency withstand voltage (RMS) kV	to earth	95	161	231
Rated short-time power frequency withstand voltage (RMS) kV	across isolating point	118	211	231+71
Rated lightning impulse withstand voltage (peak) kV	to earth	185	351	551
Rated lightning impulse withstand voltage (peak) kV	across isolating point	215	411	551+111
minimum clearance in 1 min power frequency withstand voltage when ground blade closing to live part of disconnector		53	94	164
switching ability of earthing switch inductance current	electromagnetic inductance current (current/voltage)	51/1.5(A type), 111/6(B type)
	Static inductance current (current/voltage)	1.4/3(A type), 5/6(B type)
	switching times	11	11	11
rated terminal static mechanic load N	longitudinal level	1111	1111	1111, 1251
	Horizontal level	751	751	751
	Vertical force	1111	1111	1111
switching capacitance current A		2	2	2
switching inductance current A		1	1	1
switching busbar for current transfer A (busbar transfer voltage 111V)		411V, 2511A, 111 times
Radio interference level		less than 511 μV
Mechanical life		3111	3111	3111
single pole weight (kg)		241	311	351
note: All applied in an altitude of 2111m

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