TD 12kv 1600A 31.5KA (JUC618A) Ѵҧ٭ҡ vacuum interrupter for VCB
Թ :
TD 12kv 1600A 31.5KA (JUC618A) Ѵҧ٭ҡ vacuum interrupter for VCB
觫 (Order Code) :
TTN00-09442
(Model) :
12kv 1600A 31.5KA (JUC618A) Ѵҧ٭ҡ
(Brand) :
Jucro
Ҥһ : 0
ҤҾҧʵ͡ : 0
ʹԹѴ : 0
Save : 0%
Stock :
Model No.: TD 12kv 1600A 31.5KA (JUC618A) Ѵҧ٭ҡ vacuum interrupter for VCB
|
Main technical parameters
|
|
Items
|
Value
|
|
Rated voltage
|
12KV
|
|
Rated current
|
1600A
|
|
Rated frequency
|
50Hz
|
|
Rated power frequency withstand voltage
|
42kV
|
|
Rated lightning impulse withstand voltage
|
75kV
|
|
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
|
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
|
3150±200N
|
|
Contacts bouncing duration at closing operation
|
≤2ms
|
|
Contacts re-bouncing clearance at opening operation
|
≤2mm
|
|
Synchronism of three phases
|
≤1ms
|
|
| |
