Vacuum Interrupters

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

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 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   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 �2ms Contacts re-bouncing clearance at opening operation �2mm Synchronism of three phases �1ms

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

Vacuum Interrupters TJ-3.6/630 The Interrupter adopts ne shut technology, ceramic shell, CuWC as the contact material;is characterized by high insulation, low stop-flow, strong blowout ability , long life, smallsize etc, and has advantages as easy to maintain, no explosion risk ,pollution-free and lownoise etc. Contactors assembled by it are used to control and protect the electricity transmission and distribution system in electrical, mechanical, chemical, metallurgy, mining and railway department, especially in frequent operation fields.