• Huayi Electric Co Limited (HEAG)

Outdoor AC Vacuum 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. Model ZW43-12 outdoor AC vacuum circuit breakers is used to make and break load current, overload current and short-circuit current in 12 kV, 50/60 Hz power system. It is applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operation and automatic power distribution network. It accords with the standard of IEC62271-100 and GB1984 AC high voltage circuit breaker, GB/T 11022 HV general technical requirement of switch and control apparatus.

Ambient condition:

• Altitude ? ?2000 mm
• Ambient temperature ? -40?C~+45?C
• Earthquake intensity ? ?8 degree
• Ice thickness ? 10 mm
• Wind speed ? ?34m/s (air pressure ?700Pa)