11KV VK Type High Voltage Vacuum Circuit Breaker

LiuGao proudly leads as a dedicated outdoor vacuum circuit breaker manufacturer. 11KV VK Type High Voltage Vacuum Circuit Breaker, a cornerstone of outdoor power distribution equipment, is designed for a rated voltage of 12kV and three-phase AC operating at 50Hz. Deployed primarily in various settings such as rural power grids, urban power grids, railways, mines, ports, and other power distribution systems, this circuit breaker plays a crucial role in outdoor overhead lines. Engineered with precision for breaking and closing load currents, responding to overload currents, and managing short-circuit currents within the power system, the ZW10-12F circuit breaker serves as a vital component for switching and safeguarding the power grid. Its robust design and outdoor compatibility make it well-suited for diverse applications, ensuring reliable performance in different environmental conditions. Choose LiuGao for cutting-edge innovations that redefine the benchmarks of outdoor vacuum circuit breakers.

Send Inquiry

Product Description

Liugao is a 11KV VK Type High Voltage Vacuum Circuit Breaker supplier.ZW10-12 Outdoor HV Vacuum Circuit Breaker (ZW10-12, ZW10-12F, ZW10-12G) is an outdoor power distribution equipment designed for a rated voltage of 12kV and three-phase AC 50Hz. It finds applications in rural power grids, urban power grids, railways, mines, ports, and other power distribution systems. Specifically engineered for outdoor overhead lines, it effectively handles tasks such as breaking and closing load currents, overload currents, and short-circuit currents in the power system while ensuring the protection and switching of the power grid.

Our ZW10-12 Outdoor HV Vacuum Circuit Breaker（ZW10-12、ZW10-12F、ZW10-12G）employs special anti-condensation measures internally, ensuring optimal insulation within the box. The transmission method incorporates patented technology, offering easy installation and reliable operation to prevent circuit breaker performance issues caused by mechanical failures. This breaker operates without the need for oil or gas, resulting in a compact and lightweight design. With CT protection, it accommodates large shunt currents, minimizing pollution and eliminating the need for maintenance. The control mode can be electric or manual, providing versatility in operation and maintenance.

In summary, the ZW10-12 Outdoor HV Vacuum Circuit Breaker stands out for its robust design, efficient performance, and adaptability to various outdoor power distribution scenarios.

11KV VK Type High Voltage Vacuum Circuit Breaker

Installation method: side-mounted, middle-mounted

Ambient air temperature: upper limit +40C, lower limit -30C; ;

Altitude: ≤2000m (if the altitude needs to be increased, the rated insulation level should be increased accordingly);

Wind pressure: no more than 700Pa (equivalent to wind speed of 34m/s);

Amplitude: earthquake intensity 8 degrees;

Contamination level: Class I;

Maximum daily temperature difference: no more than 25C.

11KV VK Type High Voltage Vacuum Circuit Breaker Specification

Model		ZW10-12、ZW10-12F、ZW10-12G

Number	Parameter		Unit	Value
1	Rated voltage		kV	12
2	Rated current		A	630
3	Rated frequency		Hz	50
4	Power frequency withstand voltage		kV	42/48
5	Lightning impulse voltage (peak value)		kV	75/85
6	Rated short-circuit breaking current		kA	16	20	25
7	Rated short-circuit making current (peak value)		kA	40	50	50
8	Rated short-time withstand current		kA	16	20	25
9	Rated peak withstand current		kA	40	50	50
10	Rated short-circuit duration		S	4
Il	Nominal Operation Sequence			Points-0.3s-Combined points- 180s-Combined points
12	Rated short-circuit current breaking times		Second-rate	30
13	Mechanical life		Second-rate	10000
14	The moving contact allows the accumulated thickness of wear		mm	3
15	Rated operating voltage with CT type spring operating mechanism	closing coil	V	DC or AC 220V
		Opening coil
16	Rated working current of overcurrent trip coil		A	5
17	weight		Kg	150