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Gas Circuit Breakers 

CG is one of the leading manufacturers of SF6 gas circuit breakers (GCB) in the world. We manufacture GCBs ranging from 24 kV to 765 kV. More than 29,000 GCBs have been put into service in various environments in many countries since 1983 and operating satisfactorily. We developed 800 kV 3150 A, 50 kA GCB with Spring-Pneumatic Mechanism indigenously with our R & D efforts.  We have also developed breakers for 40 Deg application and 60 Hz frequency requirement. Our manufacturing units are certified with ISO 9001, ISO 14000 for environment control and OSHAS 18000.


DescriptionRated VoltageRated CurrentBreaking CapacityStandardsDetails
Indoor Type    
36 kV Indoor SF6 GCB Up to 36 kVUp to 2000 AUp to 40 kA IEC,IS
Outdoor Type    
36 kV Outdoor GCB 63 KVUp to 3150 AUp to 25 kA IEC
72.5 kV Outdoor GCB 72.5 KVUp to 3150 AUp to 40 kA IEC
145 KV Outdoor GCB 145 KVUp to 3150 AUp to 40 kA IEC
170 kV Outdoor GCB 170 kVUp to 3150 AUp to 40 kA IEC
245 kV Outdoor GCB 245 kVUp to 3150 AUp to 40 kA IEC
420 kV Outdoor GCB 420 kVUp to 3150 AUp to 50 kA IEC
800 kV Outdoor GCB 800 kVUp to 3150 AUp to 50 kA IEC
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