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12kv AC Indoor Vacuum Load Switch
  • 12kv AC Indoor Vacuum Load Switch12kv AC Indoor Vacuum Load Switch

12kv AC Indoor Vacuum Load Switch

ApplicationFZN25A-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 el......

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Product Description

Application

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. 


Specification
 
Rated Voltage 12KV
Rated Current630A
Rate Frequecy50Hz
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 duration4s
Rated peak withstand current(Moving reliable current)50KA
Rated active power load breaking current630A
Rated close-loop breaking current630A
Rated cable breaking no-load transformer capacity1600kVA
Rated short-circuit clsoing current50kA
Earthing switch rated short-time withstand current(thermal reliable current) 20kA
Earthing switch rated short-circuit duration2s
Earthing switch rated peak withstand current(Moving reliable current)50kA
Auxiliary circle rated voltageAC,DC 220V/110V
Mechanism life10000 times

Load switch mechanical specification
 
Vacuum arc-extingushing chamber open clearance≥6mm
contact pressure spring compree volume≥2mm
Vacuum arc-extingushing average closing speed0.6±0.2m/s
Vacuum arc-extingushing average breaking speed0.9±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 time40~50ms

Energy-storge motor
ModelRated Voltage(V)Rated currentRated PowerNormal working voltae range
66ZY-CJ01BBDC220V0.7A70W85%~110% rated voltage
66ZY-CJ02BDC110V1.5A

Breaking coil data
NameRated VoltageRated powerNormal working voltage range
Breaking coilDC 220V/110V550W85%~110% rated voltage


Packing and shipping
-- Wooden box for products.
-- Shipping mark according to customer's request.
-- Bulk production will be deliveried by sea and air.
12kv AC Indoor Vacuum Load Switch

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.
12kv AC Indoor Vacuum Load Switch


 

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