Vacuum Interrupyer For Circuit Breaker Td 12 1250 25 - China

Model No: TD 12kv 1250A 25KA (JUC613) vacuum interrupter for VCB

Main technical parameters

Rated voltage: 12 KV

Rated current: 1250A

Rated power frequency withstand voltage: 42 KV

Rated lightning impulse withstand voltage: 75 KV

Rated short circuit breaking current: 25KA

Rated short circuit making current(peak value): 63KA

Breaking operations under rated short circuit breaking current: 30 times

Rated short time withstand current: 25KA

Rated withstand current(peak value): 63KA

Rated duration of short circuit: 4S

Mechanical life: 20, 000 times

Closing force due to bellows and atmosphere: 120±50N

Force required to hold contacts opening at full stroke: 190±50N

Circuit resistance at lowest rated contacts force: ≤20μΩ

Storage life: 20 years

Limiting abrasion of contacts: 3 mm Mechanical requiements of vacuum circuit breaker

Clearance between opening contacts: 11±1mm

Average opening speed(Contacts closing position~75% contacts opening distance): 1.1±0.2 m/s

Average closing speed(30% contacts opening distance~contacts closing position): 0.6±0.2 m/s

Rated contacts pressure: 2000±200N

Contacts bouncing duration at closing operation: ≤2ms

Contacts re-bouncing clearance at opening operation: ≤2mm

Synchronism of three phases: ≤1ms

Company Contact:

• Posted By: Hubei Jucro Electric CO., LTD.

• Phone: 07174209218

• Address: Xiannv 4th road,Xiannv industrial zone,Zhijiang,Hubei,P,R,C HINA, Yichang , Hubei , China

• Email:

• Website: https://www.jucro.com

• 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.