Home > Electrical Equipment & Supplies > Circuit Breakers > poles number 3 zw32 outdoor 11kv 3 pole circuit breaker

Product Name:

poles number 3 zw32 outdoor 11kv 3 pole circuit breaker

Packaging Details:wooden case
Delivery Detail:within 15 days after confirm details and receive the deposit

poles number 3 zw32 outdoor 11kv 3 pole circuit breaker poles number 3 zw32 outdoor 11kv 3 pole circuit breaker

Quick Details

  • Place of Origin: Zhejiang
  • Brand Name: ST
  • Model Number: ZW32Z-12/630-20
  • Type: Vacuum
  • Poles Number: 3
  • rated voltage(kV): 12
  • rated current(A): 630
  • rated short open circuit current(kA):...

Detailed Product Description:



ZW32 Description

zw32 outdoor 11kv 3 pole circuit breaker


  • ZW32-12/M-X1-X2
  • Z-vacuum circuit breaker
  • W-outdoor 
  • 32-product design serial number
  • 12-rated voltage(kV)
  • M-permanent magnet type
  • X1-rated current(A)
  • X2-rated short open circuit current(kA)
  •  Use of environmental conditions:
    • Ambient temperature: -40 to +40°C 
    • Altitude: ≤2000m
    • Earthquake intensity: ≤8 
    • Environment humidity: month average relative humidity ≤90%, daily average relative humidity ≤95%
    • Wind pressure: ≤700Pa (equivalent to wind speed 34m/s)
    • No fire, explosion, serious filthy, chemical corrosion and violent vibration of places
    • Customers have other special requirements, can be in order to put forward, our company can offer most satisfied
  • Features:
    • Equipped with vacuum arcing chamber of the column in vacuum circuit breaker (performance is stable and reliable, and has no combustion and explosion danger, safety, free of maintenance, small volume, light weight and long service life
    • Circuit breaker using permanent magnet operation system, the structure is simple, less parts, moving parts, only one, and the traditional spring institutions than nearly parts, greatly reduce the fault source, greatly enhancing the reliability\
    • Cancelled and prone to failure of mechanical off and lock device, make the whole system operation reliability greatly improved
    • Permanent magnetic actuator controller unique adaptive and self-check function, may to the of the pma optimization, make vacuum circuit breaker of mechanical properties to achieve the best, extending a permanent magnetic actuator and vacuum arcing chamber of life
    • Product the permanent magnetic actuator hold still, reliable and fast with the unique advantages, its inherent action time can\'t more than 10 ms and the action time consistent, very convenient at all levels in the circuit breaker protection parameter setting and action
    • Product of permanent magnet operation system has electric points off and loading manual USD (national patent) and emergency break-brake four functions
    •  Installed have three-phase protection CT, zero sequence voltage CT, AB alternate with, through the controller of the real-time monitoring upload inputs, and with the value is used in the comparison to determine the type of line fault, and the corresponding processing;
    • Operator seal in the switch internal, can avoid effectively switch from long outdoors environment and cause institutions rust
    • Operator novel, simple, reliable operation, small volume, mechanical life can reach 30,000 times



  Technical Data

Rated voltagekV12
Rated currentA4006301250
Rated short circuit breaking currentkA20/25
Rated short circuit making current (peak value)50
Rated peak withstand current50
Rated short circuit withstand current50
Rated short circuit durationS4
Rated insulating level1 minimum PF withstand voltagePhase to phase, to ground 40, fracture 48

phase to phase, to ground 75, fracture 85
Lightning impolse withstand voltage peak value
Rated sequence of operations O-0.3s-CO-180s-CO
Rated short circuit current breaking time 30
Mechanical endurance 10,000
Rated operation voltage (opening, closing coil)VDC220,110   AC220,110
Moving and fixed contact allowance wearing collation thicknessmm3
Over-current release nominal current 5
Current transformer ratioA200/5,400/5 and 600/5
1 minimum second PF withstand voltagemm2
Over current tripping currentA5
Rated single capacitor bank switching currentkA630

poles number 3 zw32 outdoor 11kv 3 pole circuit breakerpoles number 3 zw32 outdoor 11kv 3 pole circuit breaker 

Company Information

poles number 3 zw32 outdoor 11kv 3 pole circuit breaker 


poles number 3 zw32 outdoor 11kv 3 pole circuit breaker 

Our Services

1.OEM is available.

2.Your inquiry related to our product & price will be replied within 24 hours

3.Well-trained & experienced staff are to answer all your inquiries in English

4.Working time: 8:00am ~17:45pm, Monday to Saturday. (UTC+8)

5.Customized solution & perfect after-sale service

6. Payment: we can accept T/T, L/C, Western Union.

7. For large order, engineer can be sent to your country for on-site mainternace instructions.



 Packaging Details: One unit per wooden case

 Delivery Detail: 15-20 work days after the whole payment

poles number 3 zw32 outdoor 11kv 3 pole circuit breaker 

Contact information

poles number 3 zw32 outdoor 11kv 3 pole circuit breaker 

Supplier Details

  • Zhejiang ST Transformer Co., Ltd.
  • [ Zhejiang, China (Mainland) ]
  • Business Type:
  • Manufacturer, Trading Company
  • Year Established: 2006
  • Number of Employees:
  • 101 - 200 People
  • Telephone/FAX:
  • 0086-577-6167,0086-577-6167

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