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
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±1 mm
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: 3150±200 N
Contacts bouncing duration at closing operation: â?¤2 ms
Contacts re-bouncing clearance at opening operation: â?¤2 mm
Synchronism of three phases: â?¤1 ms
Model No.: 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 Circuit resistance at lowest rated contacts force: =20µO Storage life: 20 years Limiting abrasion of contacts: 3 mm Mechanical requiements of vacuum circuit breaker Clearance between opening contacts: 11±1 mm 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: 3150±200 N Contacts bouncing duration at closing operation: =2 ms Contacts re-bouncing clearance at opening operation: =2 mm Synchronism of three phases: =1 ms
HCJ3 12KV 630A vacuum interrupter for vacuum contactor 1. Brief introduction The interrupter adoption porcelain and ceramics makes to insulate the outer shell. Contact is WCCu metal alloy material advanced technique of adoption Including bulk small. Breaking the abiliting strong the life span is long, maintenanle is simple ,no explosion dangerous, no contaminate and the noise is low . The pack vacuum contactor can operate the ebery kind of electric appliances equipments, and fuse match f-c cabinet 2. Vacuum Tube main technique parameter Rated voltage: 12 kv Rated cureent: 630A Rated making current: 6.3KA Rated breaking current: 5.04KA Limiting breaking current: 6.3KA Rated short-time withstand current: 6.3KA Rated short-time withstand voltage: 42 kv Rated lighting impulse voltage: 75 kv Circuit resistance at lowest rated contacts force: 80 Electrical life: 250,000 times Mechanical life: 5000,000 times Closing force due to bellows and atmosphere: 70±20 N Force required to hold contacts open at full stroke: 100±30 N Limiting abrasion of contacts: 3 mm Internal gas pressure: 1.3310-3 Pa Storage life: 20 years
Model No.: TD 12kv 1600A 31.5KA (JUC618A) vacuum interrupter for VCB Main technical parameters Rated voltage: 12 KV Rated current: 1600A 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: 4 s Mechanical life: 20,000 times Closing force due to bellows and atmosphere: 120±50 N Force required to hold contacts opening at full stroke: 190±50 N Circuit resistance at lowest rated contacts force: =20µO Storage life: 20 years Limiting abrasion of contacts: 3 mm Mechanical requiements of vacuum circuit breaker Clearance between opening contacts: 11±1 mm 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: 3150±200 N Contacts bouncing duration at closing operation: =2 ms Contacts re-bouncing clearance at opening operation: =2 mm Synchronism of three phases: =1 ms
Model No.: TD 12kv 1600A 31.5A (JUC619) vacuum interrupter for VCB Main technical parameters Rated voltage: 12 KV Rated current: 1600A Rated power frequency withstand voltage: 48 KV Rated lightning impulse withstand voltage: 85 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: 4 s Mechanical life: 10,000 times Closing force due to bellows and atmosphere: 120±50 N Force required to hold contacts opening at full stroke: 190±50 N Circuit resistance at lowest rated contacts force: =20µO Storage life: 20 years Limiting abrasion of contacts: 3 mm Mechanical requiements of vacuum circuit breaker Clearance between opening contacts: 11±1 mm 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: 3150±200 N Contacts bouncing duration at closing operation: =2 ms Contacts re-bouncing clearance at opening operation: =2 mm Synchronism of three phases: =1 ms * It Needs additional insultating protection.
Model No.: TD 12kv 1250A 31.5KA (JUC619A) vacuum interrupter for VCB Main technical parameters Rated voltage: 12 KV Rated current: 1250A Rated power frequency withstand voltage: 48 KV Rated lightning impulse withstand voltage: 85 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: 4 s Mechanical life: 10,000 times Closing force due to bellows and atmosphere: 120±50 N Force required to hold contacts opening at full stroke: 190±50 N Circuit resistance at lowest rated contacts force: =20µO Storage life: 20 years Limiting abrasion of contacts: 3 mm Mechanical requiements of vacuum circuit breaker Clearance between opening contacts: 11±1 mm 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: 3150±200 N Contacts bouncing duration at closing operation: =2 ms Contacts re-bouncing clearance at opening operation: =2 mm Synchronism of three phases: =1 ms * It Needs additional insultating protection.
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: =20µO 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
1. Brief introduction TD 33KV 36kv 1600A 25KA (JUC632) vacuum interrupter for VCB The interrupter adoption porcelain and ceramics lagging makes to insulate the outer shell. Contact is CuCr metal alloy material advanced technique of cup construction, break the discharge big. Insulate the level high, breaking the abiliting strong, the life span is long, mainten anle is sample, no explosion dangerous, no contaminate and the noise is low. The load switch main used electric power, machine, coal mine, chemical engineering, petroleum metallurgy etc. power transmission system used control with protect. more than keeping with at the multifarious operation. Rated voltage: 33KV 36KV Rated current: 1600A Rated short-circuit breaking current: 25KA Rated short-circuit making current: 63KA Rated peak withstand current: 63KA Rated short-time withstand current: 25KA Rated short-circuit continuous time: 4 s Rated single capacitor unit breaking current: 630A Rated back to back capacitor unit breaking current: 400A Rated short-time (1 min) withstand voltage: 95 KV Rated contact pressure time-limit loop resistive: =25µO Rated short-circuit breaking current breaking times: 30 Ops Rated lightning impulse withstand voltage: 185 KV Mechanical life: 10,000 Ops Contact automatic: 200±50 N Force required to hold contacts open at full stroke: 300±50 N Contact-wear allowance thickness: 3 mm Internal gas pressure: =1.33×10-3 Pa Shelf life: 20 years
Vacuum interrupters Hanguang electron device factory(4404), has been manufacturing wide range of high quality vaccum interrupters for medium and high voltage switch circle in china since 1969's. Outstanding vacuum interrupter manufactleader techniques used by hanguang result in the highest quality and the largest voltage range of vacuum interrupters available today.
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