FZW13-12 type outdoor HV AC permanent-magnet vacuum load break switch is used in the power system with rated voltage 12kV,
three phase AC 50/60Hz, to open and close the load current in power line, the loop current in loop power network, the inductive
current of capacity load transformer and the capacitive current of capacitor bank(or cable). It can also close the short-circuit
current and withstand the electrodynamic effect and electrothermal effect caused by the short-circuit current. The product
conforms to the standards of IEC 60265-1, IEC62271-103 & GB/T3804: 3.6kV~40.5kV AC high voltage load break switch and
IEC60694 & GB/T11022: high voltage switch apparatus and control device.
1. Altitude: ≤2000m;
2. Ambient temperature: -40℃～+45℃；diurnal temperature rang ≤25℃;
3. Wind speed: ≤35m/s (quivalent to wind pressure of 700Pa)
4. Earthquake intensity: ≤grade 8;
5. Relative humidity: monthly average ≤90%; daily average ≤95%;
6. Ice thickness: ≤10mm
7. Sunlight intensity: ≤1000W/m2
8. Pollution degree: ≤Ⅳ(GB5582);
9. Applicable occasions: no fire and explosion danger, no chemical corrosion and no frequent severe vibration.
|Auxiliary loop and control loop
|Lightning impulse withstand voltage(peak)
||Rate short-circuit making current(peak)
||Rated peak withstand current (peak)
||Rated short-time withstand current
||Rated short-circuit duration
||Making times of rated short-circuit making current
||Complete breaking time
||Rated operating voltage and rated auxiliary loop current
||Charging time under rated voltage
||Average opening speed
||Average closing speed
||Contact close-bouncing time
||Three-phase opening non-simultaneity
||Allowed accumulative wear thickness for moving and static contacts
||Contact self-closing pressure
||DC resistance for each phase loop(with isolator)
||≤80(120 with isolator)
Technical parameter for P.M operating mechanism
|DC operating power supply, coil short-time duty
||220V closing/opening coil
||Applicable to load break switch’s spec.
||Power supply voltage
Main function features
1. The product can be equipped with a protection and metering current transformer to realize 3-sectional type over-current protection and
electricity consumption monitoring according to users’request;
2. The product can be equipped with a built-in remote control device to realize remote operation;
3. Equipped with a reclosing controller, it can realize the function of automatic reclosing.
4. Iron or stainless steel body, manual or electric mechanism is available for free chioce;
5. The product can meet the demands of the users from different regions as it has the norms of miniaturization and plateau types for users
6. The switch can be equipped with an external isolator according to the users’ request.
7. The operating mechanism can be permanent magnet type which can sensitively and quickly cut off the short-circuit current;
8. All the other functions which the similar products have can be added to the switch according to the users’request.
Outline and installation dimension