Vsd2-12 Vcb

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

1. General
VS1 12KV vacuum circuit breaker VCB
HVD1-12(VS1-12) type indoor AC HV vacuum circuit breaker VCB (hereinafter referred to as circuit breaker) are suitable for 12kV air-insulated indoor switchgears, used as protection and control unit of power equipment of industrial& mining enterprise. Due to the super excellence, it is especially for location where requires the frequent operation of rated working current or multi breaking short circuit current.
The circuit breaker adopts the integrated design of operating mechanism and circuit breaker body, servers as not only fixed installation, but also the handcart unit through equipping with a special propelling mechanism.

2. Service conditions
3.1 Environment temperature:-15degree~+40degree;
3.2 Environment humidity: Daily average relative humidity:

1. General
HVD32 ZW32 This vacuum circuit breaker VCB is three-phase AC 50Hz, rated voltage 12 kV outdoor high voltage switch equipment. It is mainly used to opening(closing) load current, overload current and short-circuit current. It is suitable to protect or control the city or village electrical power distribution system.
2 . Main technical parameter
Rated voltage: 12 kv
1 minute rated power frequency withstand voltage: Phase to Phase, to Ground 42 kv / Fracture 48 kv
Rated current: 630A / 1250A
Rated short circuit breaking current: 12.5KA, 16KA, 20KA / 25KA
Rated short-circuit current (peak): 31.5KA, 40KA, 50KA / 63KA
Rated peak withstand current: 31.5KA, 40KA, 50KA / 63KA
4s rated short time withstand current: 12.5KA, 16KA, 20KA / 25KA
Rated operating sequence: O-0.3s-CO-180s-CO(Electric operation)
Closing time: 30-60 ms
Opening time: 20-40 ms
Rated short circuit breaking current breaking times: 30 times
Mechanical life: 10,000 times
Secondary circuit 1 minute power frequency withstand voltage: 2000 v
Energy storage motor rated power: 40 w
Energy storage motor rated voltage V: DC220/110
Rated closing operation voltage v: DC220/110, AC220/110
Rated switching operation voltage v: DC220/110, AC220/110
Electric energy storage time: =8 s

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

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

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 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.

LVDT Sensor TD-1GN-050-15-01-01
Since its inception, YOYIK has been adhering to the concept of "technology-led, quality-first", and has brought together a large number of top engineers and technicians in the industry. With their rich experience in power station construction and maintenance, they provide customers with a full range of services from equipment selection to installation, commissioning, and maintenance. With its strong technical strength and perfect after-sales service system, the company has become a trusted partner of many large-scale power generation projects.

Yoyik can offer many spare parts for power plants as below:

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LVDT Sensor TD-1GN-050-15-01-01


MY-DFYL-2025-2-24