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: â?¤2ms
Contacts re-bouncing clearance at opening operation: â?¤2mm
Synchronism of three phases: â?¤1ms
Items Value
Rated voltage 12KV
Rated current 1250A
Rated frequency 50Hz
Rated power frequency withstand voltage 42kV
Rated lightning impulse withstand voltage 75kV
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 20000 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 3mm
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Mechanical requiements of vacuum circuit breaker
Items Value
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 â?¤2ms
Contacts re-bouncing clearance at opening operation â?¤2mm
Synchronism of three phases â?¤1ms
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
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.
6.6KV to 40KV Vacuum Interrupter for Vacuum Circuit Breaker Indoor/Outdoor Panel
We can provide all series vacuum interrupter (vacuum chamber) for outdoor and indoor circuit breaker, embedded poles for 12/24/40.5kv circuit breaker, load breaking switch, load breaking switch.
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: â?¤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
HCJ5 1.14kv 1000A 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. It is extensive to used for coal mine , chemical engineering, Petroleum metallurgy etc. department, more than keeping with at the multifarious operation with the bad place usage of environmen 2. Vacuum Tube main technical parameter Rated voltage: 1.14 kv Rated current: 1000 A Rated put through current: 10000A Rated breaking current: 8000A Limiting breaking current: 10000A Rated short-time withstand current: 8000A Rated short-time withstand voltage(1 min): 10 kv Mechanical life: 1000000 times Rated breaking time AC3: 150000 times Rated breaking time AC4: 6000 times Automatic closing force of the contacts: 70±20 N Force required to hold contacts open at full stork: 90±20 N Contact automatic blocking ability loop electrical resistance: 80 Contact-wear allowance thickness: 2 mm Shelf life: 20 years Internal gas pressure: 1.3310-3 Pa
HCJ5 1.14kv 125A 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. It is extensive to used for coal mine , chemical engineering, Petroleum metallurgy etc. department, more than keeping with at the multifarious operation with the bad place usage of environment 2. Vacuum Tube main technique parameter Rated voltage: 1.14 kv Rated current: 125A Rated making current: 1250A Rated breaking current: 1000A Limiting breaking current: 1250A Rated short-time withstand current: 1000A Rated short-time withstand voltage: 10 kv Mechanical life: 1000000 times Breaking operations AC3: 150000 times Breaking operations AC4: 6000 times Automatic closing force of the contacts: 25±10 N Force required to hold contacts open at full stork: 40±10 N Circuit resistance at lowest rated contacts force: 120 Limiting abrasion of contacts: 2 mm Storage life: 20 years Internal gas pressure: 1.33 10-3 Pa
HCJ3 7.2kv 630A vacuum interrupter for vacuum contactors 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 maintenance 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: 7.2 kv Rated current: 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: 32 kv Rated lighting impulse voltage: 60 kv Circuit resistance at lowest rated contacts force: 80 Electrical life: 250,000 times Mechanical life: 500,000 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
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