Circuit Breaker

• Huayi Electric Co Limited (HEAG)
• Yueqing

Circuit Breaker

Huayi Electric Co Ltd (HEAG) is an authorised Chinese manufacturer mainly producing electrical products in power distribution system and switchgear. It mainly produces high/low voltage switchgear, SF6 and vacuum circuit breaker, load break switch, disconnector, earthing switch, CT&PT, watt-hour meter, composite insulators, heat-shrinkable material, microcomputer protection and control devices and wind power generators. Circuit breaker HV SF6, Model LW36B-126/145 is based on the technology of LW36-126/145, developed by Xi'an HV Electrical Apparatus Institute and HEAG group. It absorbs experiences and technics in similar product manufacturing and perfected as a new generation of self-evolving SF6 HV circuit breaker. LW36B-126 is used to control and protect circuit in 126/145 kV and AC 50/60 Hz power system. It adopts SF6 gas insulating medium, and CT30 spring operation mechanism.

Execution standards:

• IEC62271-100 ? HV alternating current circuit break
• GB311-2002 ? usage rule of HV distribution and insulate apparatus
• GB/T16927-1997 ? HV testing technology
• GB1984-2003 ? HV alternate current circuit breaker
• GB3309-1989 ? HV switchgear mechanical testing under normal temperature
• GB4473-1996 ? HV alternate current circuit breaker compound testing
• GB5582-1993 ? HV electric apparatus outer insulating with pollution grade
• GB11022-1999 ? common technical requirements of HV switchgear and control apparatus
• GB11023-1989 ? HV switchgear SF6 air-proof testing guide
• GB/T8905-1996 ? electrical management and checking guide of SF6 electric apparatus
• GB12022-1989 ? industrial using SF6
• GB/T13384-1992 ? general technical condition of electrical product packing
• GB191-2000 ? packaging and transportation mark