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GW4-126kV Disconnector is developed product with advanced technology at the base of the original disconncetor. It is employed, at off-load condition, to switch high-voltage bus, applied an isolating distance between the high-voltage bus checked & maintained, or electric equipments such as circuit breaker and live high-voltage bus.

Disconnector GW4 series products are in design of double-supporting horizontal 3-pole-linkage and can be acted single-pole. It consists of base frame, supporting insulator and upper contactor. The revolving insulators are installed on the base with ball bearing inside, therefore it is quite easy to operated the disconnector.

Disconnector can be cooperated with motor drive mechanism CJ6 or manual mechanism CS14G.

Technical Characteristics	GW4-126	GW4-126G
Rated voltage  kV	126
Rated current  A	630  1250  1600  2000
Short time withstand current (rms)  kA	20  31.5  40  (46)
Peak withstand current kA	50  80  100  (104)
Rated Power Frequency withstand voltage (50Hz, 1min)
A) To earth and between phases  kVpk	185 (230)
B) Across open Disconnector kVpk	210 (265)
Rated Lightning impulse withstand voltage (1.2/50μs)
A) To earth and between phases  kVpk	450 (550)
B) Across open Disconnector kVpk	520 (630)	550
Horizontal force of terminal  N	735
Weight of single pole kg	240	300

132KV switch Disconnector