TD 12kv 1600A 31.5A (JUC619) Ѵҧ٭ҡ vacuum interrupter for VCB
Թ :
TD 12kv 1600A 31.5A (JUC619) Ѵҧ٭ҡ vacuum interrupter for VCB
觫 (Order Code) :
TTN00-09443
(Model) :
12kv 1600A 31.5A (JUC619) Ѵҧ٭ҡ
(Brand) :
Jucro
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Model No.: TD 12kv 1600A 31.5A (JUC619) Ѵҧ٭ҡ vacuum interrupter for VCB
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Main technical parameters
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Items
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Value
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Rated voltage
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12KV
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Rated current
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1600A
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Rated frequency
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50Hz
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Rated power frequency withstand voltage
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48kV
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Rated lightning impulse withstand voltage
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85kV
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Rated short circuit breaking current
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31.5KA
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Rated short circuit making current(peak value)
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80KA
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Breaking operations under rated short circuit breaking current
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30 times
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Rated short time withstand current
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31.5kA
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Rated withstand current(peak value)
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80kA
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Rated duration of short circuit
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4s
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Mechanical life
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10000 times
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Closing force due to bellows and atmosphere
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120±50N
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Force required to hold contacts opening at full stroke
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190±50N
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Circuit resistance at lowest rated contacts force
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≤20μΩ
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Storage life
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20 years
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Limiting abrasion of contacts
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3mm
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Mechanical requiements of vacuum circuit breaker
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Items
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Value
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Clearance between opening contacts
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11±1mm
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Average opening speed(Contacts closing position~75% contacts opening distance)
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1.1±0.2 m/s
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Average closing speed(30% contacts opening distance~contacts closing position)
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0.6±0.2 m/s
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Rated contacts pressure
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3150±200N
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Contacts bouncing duration at closing operation
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≤2ms
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Contacts re-bouncing clearance at opening operation
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≤2mm
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Synchronism of three phases
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≤1ms
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Remarks:
* It Needs additional insultating protection.
