TD 12kv 1250A 31.5KA (JUC618) 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: 31.5KA
Rated short circuit making current(peak value): 80KA
Breaking operations under rated short circuit breaking current: 30 times
Rated short time withstand current: 31.5KA
Rated withstand current(peak value): 80KA
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
Circuitresistance 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±0.2m/s
Average closing speed(30% contacts opening distance~contacts closing position): 0.6±0.2 m/s
Rated contacts pressure: 3150±200 N
Contacts bouncing duration at closing operation: ≤2ms
Contacts re-bouncing clearance at opening operation: ≤2mm
Synchronism of three phases: ≤1ms
Send product request
Other supplier products
 |
Vacuum interrupter for Vacuum cintactor HCJ5 1.14KV 1000A | HCJ5 1.14kv 1000A vacuum interrupter for vacuum contactor The interrupter adoption porcelain and ceramics makes to insulate the outer shell. Contac... |
 |
JN15 12 kv series indoor high voltage earthing switch | Introduction JN15 12 kv series indoor high voltage earthing switch is a compositional type, and the technical parameters is corresponding to the ... |
 |
AC vacuum contactor HVJ5 1.14KV 1000A | General HVJ5 1.14 kv 1000AAC vacuum contactor is designed for long-distance making and breaking of circuit, frequent starting and controlling ... |
 |
AC vacuum contactor HVJ5-1.14kv 250A | General HVJ5 1.14 kv 250A AC vacuum contactor is designed for long-distance making and breaking of circuit, frequent starting and controlling of ... |
 |
TD 12kv 1250A 25KA (JUC613) vacuum interrupter for VCB | Model No.: TD 12kv 1250A 25KA (JUC613) vacuum interrupter for VCB Main technical parameters Rated voltage: 12 KV Rated current: 1250A Rated pow... |
Same products
 |
Made in China Pressure Switch HC0622-24 for thermal power plant | Seller: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD | "Made in China Pressure Switch HC0622-24 for thermal power plant YOYIK professional production an... |
 |
Gas Torch | Seller: Ningbo Shuai Xian Regulator Co., Ltd | Introduction Set packed with hoses, regulator arm support of gas Torch Gas blow torchSpecific... |
 |
Gas Regulator Connector | Seller: Ningbo Shuai Xian Regulator Co., Ltd | barbecue gas connectorused in conjunction with a cylinder valve to deliver an unreduced pressure ... |
 |
Gas Regulator Accessories, Gas Hose Fitting & Torch | Seller: Ningbo Shuai Xian Regulator Co., Ltd | Integrated Gas Technologies(IGT®) supplies gas regulator outlet fittinglike gas regulator hos... |
 |
Gas Regulator | Seller: Ningbo Shuai Xian Regulator Co., Ltd | Integrated Gas Technologies(IGT®) is a global gas control equipment company founded 2006 exce... |
