FZN25A-12D indoor AC high voltage vacuum load switch is the control & protection device for AC 50Hz, three-poles, 12KV distribution systems, No oil, no-toxic, no firing or explosive dangers. Widely used in the industry, mining and distribution station ect.
Control and protection of electrical devices, can break & close load current, loop current, no-load transformer and cable charging current. The earthing switch with closing & openning short-circuit current capacity. Electric and manual operation mechanism, convenient for making three remote-control of electrical systems.
The product complies with GB3804 standard.
|Rated Voltage ||12KV|
|Power frequency withstand voltage(1min)||arc extinguishing chamber fracture: 30KV|
phase, to earth: 42KV; isolation fracture: 48KV
|lightning impluse withstand voltage(peak)||Vacuum arc-extinguishing chamber fracture: 60KV|
phase, to earth: 75KV; fracture: 85KV
|Rated short-time withstand current(Moving reliable current)||20KA|
|Rated short-circuit duration||4s|
|Rated peak withstand current(Moving reliable current)||50KA|
|Rated active power load breaking current||630A|
|Rated close-loop breaking current||630A|
|Rated cable breaking no-load transformer capacity||1600kVA|
|Rated short-circuit clsoing current||50kA|
|Earthing switch rated short-time withstand current(thermal reliable current) ||20kA|
|Earthing switch rated short-circuit duration||2s|
|Earthing switch rated peak withstand current(Moving reliable current)||50kA|
|Auxiliary circle rated voltage||AC,DC 220V/110V|
|Mechanism life||10000 times|
Load switch mechanical specification
|Vacuum arc-extingushing chamber open clearance||≥6mm|
|contact pressure spring compree volume||≥2mm|
|Vacuum arc-extingushing average closing speed||0.6±0.2m/s|
|Vacuum arc-extingushing average breaking speed||0.9±0.2m/s|
|Closing spring time||≤2ms|
|three phases CO synchronization||≤3ms|
|Main circle resistance||≤150μΩ|
|Manual operation max moment||≤160N.m|
|Release triggered breaking time||40~50ms|
|Model||Rated Voltage(V)||Rated current||Rated Power||Normal working voltae range|
|66ZY-CJ01BB||DC220V||0.7A||70W||85%~110% rated voltage|
Breaking coil data
Packing and shipping
|Name||Rated Voltage||Rated power||Normal working voltage range|
|Breaking coil||DC 220V/110V||550W||85%~110% rated voltage|
-- Wooden box for products.
-- Shipping mark according to customer's request.
-- Bulk production will be deliveried by sea and air.Our Service
-- We have our own factory, professional manufacturer
-- We can send you samples within one week.
-- We do OEM & ODM services .
-- We control quality strictly, quality problem: 100% compensation or change
Warmly welcome to visit our factory. Welcome customer or your agent to inspect before order or lading.