LW3 outdoor HV SF6 circuit breaker is designed for 50Hz three-phase
AC power system. It is mainly used as main switch in middle or
small substation and it is also used for controlling and protecting
of 10KV HV electric equipment.
LW3 outdoor HV SF6 circuit breaker is a new design product using
SF6 gas as insulating and arc extinguishing medium which makes it
maintenance free. Compared with other circuit breakers, this
product has simpler structure, reliable function and longer life.
According to the type of operating mechanism, it can be divided
into 3 categories: CB with manual spring operating mechanism; CB
with motorized spring operating mechanism and CB with permanent
lUp to 12kV,…630A,…20kA/4s
lSF6 insulated circuit breaker
lMotor/remote control available
lWith auto reclosing operation sequenceavailable