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Outdoor AC High-Voltage Disconnector (GW4-40.5-1)
General
NINGBO TIANAN (GROUP) CO., LTD.
GW4 series outdoor AC HV disconnector is three-phase AC 50Hz outdoor HV electric equipment used in rated voltage 35KV electric system. It is used for high voltage lines no-load switching and electrical isolation of examined high voltage bus, circuit breakers and other electrical equipments.Â
Functional design
1) Reasonable structure, excellent performance and reliable service;Â
2) Excellent mechanical properties, small operating force, high reliability, long mechanical endurance;Â
3) Brilliant anticorrosive capability.Â
4) Small circuit resistance and good waterproof performance.Specifications
Specifications
Unit
Value
Rated voltage
kV
40.5
72.5
126
145
Rated current
A
630/1250/2000
630/1250/2000
1600
1600/2000
Rated frequency
Hz
50/60
Rated short-time withstand current  (r.m.s)
kA
20/25/Â 31.5
25/31.5/40
31.5
31.5/40
Rated peak withstand current
kA
50/63/80
63/80/100
80
80/100
1min  power frequency withstand voltage (r.m.s)
To earth/Between phases
kV
70
140
230
275
Across isolating distance
kV
80
160
265
315
Lightning impulse withstand voltage (peak)
To earth/Between phases
kV
170
325
550
650
Across isolating distance
kV
195
375
630
750
Â
 Â
Outdoor AC High-Voltage Disconnector Hv Contactor (GW4-40.5-1)
Model NO.: GW4-40.5-1
Poles Number: 4
Type: Circuit Breaker
Function: Conventional Circuit Breaker
Certification: VDE, ISO9001-2000, CE, UL, CB, CCC
Rated Voltage: 40.5 Kv
Altitude: up to 3,000m Above Sea Level
Environment: Indoor
Special Conditions: Depends on The Customer
Rated Current: 2000A
Rated Short Time Continual Time: 4 S
Test Equipment: IEC Standard
Typical Products: Circuit Breaker
Frequency: 50 Hz
Warranty: 2 Years
Trademark: Tianan Electric
Specification: IEC60076-1, IEC60076-2, IEC60076-5
Origin: Xiangshan Zhejiang P. R China
HS Code: 8535210000