Home > Electrical Equipment & Supplies > Circuit Breakers > rated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china


Product Name:

rated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china

Packaging Details:export case
Delivery Detail:Within 10days after receive T/T or L/C.

rated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china rated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china

      

Quick Details

  • Place of Origin: Zhejiang
  • Brand Name: ST
  • Model Number: ZW8-12/630-20
  • Type: Vacuum
  • Poles Number: 3
  • Rated voltage(kV): 12
  • Rated current(A): 630
  • Rated short circuit breaking current(KA):...



Detailed Product Description:

 

ZW8 Description

Zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china

General Description

ZW8-12 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit cu rrent in12kV, 50/60Hz power system. 
Its applicable for substations, industry and mining, urban and rural electricity power networks,especially

 applicable in oc casio ns wi th fr equent operation and automatic power distribution network. It accords with the standards of IEC62271-100 & GB1984 AC high voltage circuit breaker, GB/T 11022 HV General technical 
requirement of switch and control apparatus.Structure feature
1. Vacuum arc extinguish.
2. Silicon rubber and plastic composite insulation.
3. It can be matched with controller as auto-recloser 
and auto-sectionalizer.


rated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from chinarated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china

 Technical Data

 


Type
UnitParameter
Rated voltagekV12
Rated insulation level1 minute power frequency withstand voltageDry type42
Wet type34
Lightening impulse withstand voltage (peak) 75
Rated currentA630,400,200
Rated short circuit breaking currentkA20,16,12.5
Rated operating sequence0-0.3-co-180s-co
Rated short circuit breaking timetimes30
Rated short circuit closing current (peak)kA50
Rated peak withstand current50
Rated short circuit withstand current20
Duration of rated short circuit breakings4
Opening time(Shunt trip)Maximum operating voltagems15-50
Medium operating voltage15-50
Minimum operating voltage30-60
Closing time25-50
Total breaking time≤100
Mechanical lifetimes10,000
Closing frequencyJ70
Energy storage motor rated input powerW≤220
Rated operating voltage and subsidiary loop rated voltageVDC 220 110 24
AC 220 110 25
Energy storage time under rated voltages<8
Over-current releaseRated currentA5
Accuracy of relaease current%±10
Over-current adjustA1-9
Quick break adjustms6-20
Delay time80-5000
Remote control distancem30
Number of overlappingtimes1-3

 

 

Company Information

rated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china 

Certifications

rated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china 

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&Shipping

 Packaging Details: One unit per wooden case

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

rated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china 

Contact information

rated current(a) 630 zw8-12 outdoor handcart type stainless steel vacuum circuit breaker from china 

 


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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