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ZW43-12(G)/M630-20 series permanent magnet outdoor vacuum circuit breaker is three phase, rated voltage 12kv,AC 50HZ outdoor high-voltage VCB. Magnet switch is mainly used as 10kv /11KV /12KV substation outlet switches and three-phase AC electric power system.
Magnetic switch is consider of three parts: the vacuum switch body, single stable permanent magnetic actuator and intelligent controller, it has a wide range of complex and flexible action program setting mode, with high reliability and security is with control and protection functions of the new"mechatronics" smart high-voltage switchgear.
Product Description
Applicable place: Magnet switch is mainly used as 10kv substation outlet switches and 10kv three-phase AC electric power system,for closing and opening the load current, breaking an over-current and short-circuit current of line protection switch.
Advantages
1.Magnetic switch is consider of three parts: the vacuum switch body, single stable permanent magnetic actuator and intelligent controller.
2.It has a wide range of complex and flexible action program setting mode.
3.It has high reliability and good safety.
4.It has the control and protection functions of a new type of "mechatronics" intelligent high-voltage switch cabinet.
5.It conforms to GB1984-2003, DL/T402-2007,DL/T403-2000.
Environmental Conditions
Ambient temperature:-40°C~+40°C
Relative humidity:≤95%or≤90%
Altitude:≤3000m
Wind pressure:≤700Pa
Air pollution levels: ≤4
Ice thickness:≤10mm
*No firem explosion, chemical corrosion and sharp snakes.
Item | Unit | Parameters | |
Rated voltage | kV | 12 | 24 |
Rated frequency | Hz | 50 | |
Rated current | A | 630 | 630 |
Rated short-circuit breaking current | kA | 20, 25 | 20,25,31.5 |
Rated peak withstand current | kA | 50, 63 | 50,63,80 |
Rated short-time withstand current | kA | 20, 25 | 20,25,31.5 |
Rated short-circuit making current(peak) | kA | 50, 63 | 50,63,80 |
Mechanical endurance | Time | 10000 | |
Power frequency withstand voltage(1min)(dry/wet) | kV | 42/48 | 65/79 |
Lightning impulse | kV | 75/85 | 125/145 |
