Vacuum Interrupter TD-12/630-25 (JUC613A) from JUCRO Electric
YICHANG TOP IMP.&EXP. CO., LTD.
The supplier hasn’t listed a price. We can get their current prices and MOQ.
Verify from $29 · written report in 3 business days · 100% refund if not satisfied

Vacuum Interrupter TD-12/630-25 (JUC613A) from JUCRO Electric
YICHANG TOP IMP.&EXP. CO., LTD.The supplier hasn’t listed a price. We can get their current prices and MOQ.
Verify from $29 · written report in 3 business days · 100% refund if not satisfied
From the supplier
Main technical parameters
Items
Value
Rated voltage
12kV
Rated current
630A
Rated frequency
50Hz
(1min) Rated power frequency withstand voltage
42kV
Rated lightning impluse withstand voltage
75kV
Rated short circuit breaking current(peak value)
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 the short circuit
4s
Circuit resistance at lowest rated contacts force
≤25μΩ
Mechanical life
20000 times
Closing force due to bellows and atmosphere
80±40N
Force required to hold contacts opening at full stroke
120±50N
Limiting abrasion of contacts
3mm
Storage life
20 years
Moving mass of interruPTer
0.84kg
Rated operating sequence
O-0.3s-CO-180s-CO
Model No.: JUCA-12/1250-25(JUCA613)
Mechanical requiements of vacuum circuit breaker
Items
Value
Clearance between opening contacts
11±1mm
Average opening speed
1.1±0.2 m/s
Average closing speed
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
Note:
# Must contact with JUCRO.
From the supplier
Main technical parameters
Items
Value
Rated voltage
12kV
Rated current
630A
Rated frequency
50Hz
(1min) Rated power frequency withstand voltage
42kV
Rated lightning impluse withstand voltage
75kV
Rated short circuit breaking current(peak value)
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 the short circuit
4s
Circuit resistance at lowest rated contacts force
≤25μΩ
Mechanical life
20000 times
Closing force due to bellows and atmosphere
80±40N
Force required to hold contacts opening at full stroke
120±50N
Limiting abrasion of contacts
3mm
Storage life
20 years
Moving mass of interruPTer
0.84kg
Rated operating sequence
O-0.3s-CO-180s-CO
Model No.: JUCA-12/1250-25(JUCA613)
Mechanical requiements of vacuum circuit breaker
Items
Value
Clearance between opening contacts
11±1mm
Average opening speed
1.1±0.2 m/s
Average closing speed
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
Note:
# Must contact with JUCRO.
About the supplier
- ✓Exhibited at 4 recent Canton Fairs
- ✓Foreign Trade Company
- ✓Founded 2011
- Exhibited at 4 recent Canton Fairs
- Foreign Trade Company
- Founded 2011





