Tellhow (Shenzhen) Electric Technologies Co., Ltd.
Chinese professional electrical equipments manufacturer

Vacuum Circuit Breakers & SF6 Load Break Switches

TZN1-12 Circuit Breaker TZN1-12 Vacuum Circuit Breaker
TZN1-12 series of indoor MV vacuum circuit breakers are used in the indoor switchgear rated 12 kV, 50(60)Hz. They are suitable for making different types of loads and frequent operation, to protect and control the electric equipments in industrial & mining enterprises, power plants and substations…

TZN1C-12 Circuit Breaker

TZN1C-12 Vacuum Circuit Breaker
TZN1C-12 series of indoor MV vacuum circuit breakers are used in indoor switchgears with rated voltage 12 kV, frequency 50(60)Hz. They are suitable for making different types of loads and frequent operation, to protect and control the electric equipments in industrial & mining enterprises, power plants and substations…


TZN1-12/M Circuit Breaker TZN1-12/M Vacuum Circuit Breaker
TZN1-12/M series of indoor permanent-magnetic vacuum circuit breakers are used in the switchgear rated 12kV, 50(60)Hz. They are suitable for making different loads and frequent operation, to protect and control the electric equipments in industrial & mining enterprises, power plants and substations…

TZN2-12 Circuit Breaker TZN2-12 Vacuum Circuit Breaker
TZN2-12 series of indoor vacuum circuit breakers are used in the switchgear rated 12 kV, 50(60)Hz. They are suitable for making different types of loads and frequent operation, to protect and control the electric equipments in industrial & mining enterprises, power plants and substations.The main electric conduction loop is installed in the insulation cylinders, to protect the vacuum arc extinction …

TZN2C-12 Circuit Breaker TZN2C-12 Vacuum Circuit Breaker
TZN2C-12 series of indoor laterally vacuum circuit breakers are used in the switchgear rated 12kV, 50(60)Hz. They are suitable for making different types of loads and frequent operation, to protect and control the electric equipments in industrial & mining enterprises, power plants and substations…

TZN3-24 Circuit Breaker TZN3-24 Vacuum Circuit Breaker
TZN3-24 series of indoor HV vacuum circuit breakers are used in the switchgear rated 24 kV, 50(60)Hz. They are suitable for making different types of loads and frequent operation, to protect and control the electric equipment in industrial & mining enterprises, power plants and substations, especially suitable for breaking important loads…

TZN4-40.5(36) Circuit Breaker TZN4-40.5(36) Vacuum Circuit Breaker
TZN4-40.5(36) series indoor HV AC vacuum circuit breakers are used in the switchgear rated 40.5kV(36 kV), 50(60)Hz. They are suitable for making different types of loads and frequent operation, to protect and control the electric equipments in industrial & mining enterprises, power plants and substations…

RAD-12 Circuit Breaker RAD-12 Vacuum Circuit Breaker
RAD-12/T1250-31.5 series of vacuum circuit breakers with embedded poles are used in the switchgear rated 12kV, 50(60)Hz. They are suitale for making different types of loads and frequent operations, to protect and control the electric equipments in industrial & mining enterprises, power plants and substations…

RAL-12 Load Break Switch RAL-12 Load Break Switch
RAL Series of vacuum load switches with embedded poles can be used in ring-main power and double-radiation power supply system, 50(60)Hz, 12kV, for making and breaking the load current and over-load current…

FLN36-12 Load Break Switch FLN36-12 Load Break Switch
FLN36 series of SF6 load switches are applied for ring-main power system, making and breaking the load current and over-load current. It is a multi-function MV switch integrating the functions of load switch, earthing switch and disconnector, embedded in a strengthened epoxy-resin-cast enclosure filled with SF6 gas as the arc extinguishing and insulation medium…

FLN38-12 Load Break Switch FLN38-12 Load Break Switch
FLN38 switches are suitable to be used in the ring-main power supplying system for making, breaking the load current and over-load current. They also can be used to make and break unloaded transformer, capacitor bank, etc. The switches are SF6 medium voltage devices with monitoring windows, which are researched and developed by Tellhow with the international advanced theory of arc extinction…