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
Outdoor AC High-Voltage Disconnector (GW4-40.5-1)
NINGBO TIANAN (GROUP) CO., LTD.
GeneralGW4 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/ 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 |
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