Quick Details
Description
- Model NO.: ZW8-12/630-20
- Operation: Electric Type
- Arc-extinguishing Medium: Vacuum
- Structure: Vcb
- Type: Circuit Breaker
- Certification: ISO9001-2000, CE, CB, CCC
- Rated Short-Circuit Breaking Time: 30times
- Altitude: ≤4000m
- Mechanical Life: 10000 Times
- Rated Short-Circuit Breaking Curren: 20ka
- Trademark: OEM/HEYI
- Origin: Zhejiang Yueqing
- Breaking Capacity: High Voltage Circuit Breakers
- Speed: High-Speed Circuit Breaker
- Installation: Fixed
- Poles Number: 3
- Function: Circuit-Breaker Failure Protection
- Rated Current: 630A, 1250A
- Rated Voltage: 12kv
- Application: Outdoor
- Rated Operating Sequence: 0-0.3s-Co-180s-Co
- Rated Power Frequency: 50/60Hz
- Specification: CE ROHS
- HS Code: 85310000
Application:
ZW8-12/630-20 series outdoor high voltage vacuum circuit breaker is main switch equipment of rated voltage 12KV,three phases AC 50HZ system,to switch on/off loading current,no-load current,and short circuit current,also used as the branch switch for rural power network or small power system,is a substitute for oil type breakers.
The use of environmental conditions:
1 Altitude: ≤4000m
2 Ambient temperature: -35ºC ~+40ºC
3 Relative humidity: daily average ≤95% , monthly average ≤90%
4 Earthquake intensity: ≤8 degree
5 Ice thickness: ≤20mm
6Air pressure: ≤700Pa
Specification:
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Description
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Specification
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rated voltage
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12KV
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rated current
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1250A
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rated power frequency withstand voltage
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42KV/48KV
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rated lighting impulse withstand voltage(peak)
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72KV/85KV
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rated short-circuit breaking current(rms)
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20KA
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rated short-circuit making current(peak)
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50KA
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rated operating sequence
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0-0.3s-CO-180s-CO
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rated short-circuit current breaking times
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30 times
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mechanical endurance
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10000 times
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rated operating voltage(close/open coil)
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DC220V/AC220V
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permissible abraded thickness of moving and static contacts
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3mm
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across the isolating distances
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>200mm
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Payment terms:
1 30% T/T advance , the balance against to the copy B/L or LC at sigh
2 The other specific issues can negorate.
3 Pls confirm the details with us before do the prepayment.
Packing information:
1 Wooden packing
2 1pcs/per CTN
3 G/N.W: 100/80kg
4 We can packing as your required,good looking design
Why choose us:
1 ISO9001,SGS,Gold golden supplier
2 Monthly Production Capacity -- 50000 Pcs
3 All goods examined before delivery by 10 QC staff
4 Prompt Reply Within 12 Hours
5 8000 square meters work environment

We are the professional manufacturing the 0.5-35 KV outdoor indoor, fuse cut out composite insulator dry type, oil-immersed, combined transformer, electrical energy meter, power capacitor correction bank, low voltage stablizer and so on
1. Who we are
Heyi is dynamic company established in 1992, who specializes in research and design, manufacturing, and distribution of all kind ofcurrent transformer
Further more, we also develop ours business for the electrical product, like energy meter, power meter, power capacitor, relay, proximity switch and so on, focusing in ours customers needs, provide the best solution supporting ours customers, be the best in their filed of businss
2 why choose us
We have our own facilities for R&D, Production, Sales & Market, and Customer Support, specializing in the design, manufacture and delivery of customized solution. Equipped with all kinds of professional instruments and testing equipment, combined the professional standard of product testing methods, now we has an annual output of 5, 000, 000 or more products.
3 Heyi Mission, vision values
Heyi mission is to provide reliable, accurate and customized current transformer solution
Heyi vision is leading global split core CT manufacture and energy solution provider
Values Enthusiastic by our work, we offer a quality personal and close service to our customers
Some products have been approved by CE and IEC certificates.