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Jtd 12kv 1250a 20ka Vacuum Interrupter For Solid Embedded Poles - China
price: 90.00 Dollar US$
Model No: JTD 12kv 1250A 20KA vacuum interrupter for Solid embedded poles
Rated voltage: 12 KV
Rated current: 1250A
Rated power frequency withstand voltage (1 min): 42 KV
Rated lightning impulse withstand voltage: 75 KV
Rated short circuit breaking current: 20KA
Rated short circuit making current(peak value): 50KA
Breaking operations under rated short circuit breaking current: 30 times
Rated short time withstand current: 20KA
Rated withstand current(peak value): 50KA
Rated duration of short circuit: 4 s
Mechanical life: 20, 000 times
Closing force due to bellows and atmosphere: 70±40 N
Force required to hold contacts opening at full stroke: 120±50 N
Circuit resistance at lowest rated contacts force: ≤35μΩ
Storage life: 20 years
Limiting abrasion of contacts: 3 mm
Weight of moveable parts: ≤0.7kg Mechanical requiements of vacuum circuit breaker
Clearance between opening contacts: 7±1 mm
Average opening speed: 1.0±0.25 m/s
Average closing speed: 0.65±0.15 m/s
Rated contacts pressure: 1600±100 N
Contacts bouncing duration at closing operation: ≤2 ms
Contacts re-bouncing clearance at opening operation: ≤2 mm
Synchronism of three phases: ≤1 ms
Company Contact:
- Posted By: Hubei Jucro Electric CO., LTD.
- Phone: 18827250932
- Address: 4#Rd Xiannv,Zhijiang City,Yicahng City,, Hubei Province,China, Yichang City, Hubei , China
- Email:
- Website: https://www.jucro.com/
Published date: August 30, 2018
- Business Description: Hubei Jucro Electric CO., LTD. is a private enterprise that produces and exports high voltage electrical equipment.
The main products are: vacuum contactors, vacuum circuit breakers, vacuum interrupters and related accessories.
The product rated voltage range covers 660KV/1.14KV/3.6KV/7.2KV/ 24KV/40.5KV.
The rated current of the product ranges from 125A to 4000A.
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