Model Number

LW36B-126

LW36B-126 Outdoor AC SF6 circuit breaker is a control and protection device to the 50Hz AC and 110kV power system. It can be used as the connector circuit breaker in the circuit. It gained the new product commendatory certificate in 2001 by the national economic and trade committee.

Technical Specification/Parameter

Main technical specification:
Altitude: 1000ï¼Âˆ2500ï¼Â‰m
Ambient temperature: -40ï½Âž+40°C
Rated voltage: 126kV
Rated current: 3150A
Rated frequency: 50 Hz
Rated short circuit breaking current: 40 kA
Rated short circuit closing current: 100 kA
Rated short time withstand current: 40A
Rated withstand current(peak):100 kA
Rated short time P.F.withstand voltage: earth/gap 230/275
Rated lighting impulse withstand voltage: earth/gap 550/650
Rated short circuit current continous time: 4s
Rated step-lost breaking current: 10A
Nearby area fault breaking current: 90% 75%
Rated line charging closing current: 31.5 A
Rated operating sequence: O-0.3s-CO-180s-CO
SF6 air pressure (20°Cmeter pressure):0.6MPa
Mechanical lifetime: 6000 Times
Control loop voltage: DC110 or 220 V