Vacuum-circuit :
  24KV VACUUM CIRCUIT BREAKER : 630A, 1250A, 2000A

  • Metalclad, fully compartmentalized

  • horizontal isolation, horizontal drawout

  • Integrated fault making earthing switch-25kA 3S

  • Compliance with IEC 56 (BS5311) and IEC 298 (BS5227)

  • Proven at independent short-circuit test station (KEMA)

  • Comprehensive safety interlocks

  • Simple installaiion

  • Readily extensible



VCB Data
Model VW 20J25 20M25 20P25
RATED Voltage (kV) 24
Insulation Level
Impulse (kVp)
1min Power Freq (kV)
125
50
Frequency (Hz) 50/60
Normal Current (A) 630 1250 2000
Short-circuit Breaking Current (kA) 25
Transient Recovery Voltage (kVp) 41
Short-circuit Making Current (kAp) 63
Operating Sequence 0-0.3 Sec - CO - 3min - CO
Duration of short-circuit (kAp) 3
Operation Time (mS) 25
Break Time (mS) 60
Closing Time at No load (mS) 30
Closing Voltage (V.d.c) 110
Closing Voltage (V.d.c) 110
Full load Switching life (No. of operations) 10000
Number of Available Auxillary Contacts 4a + 4b
Approx Weight (kg) 240kg


Cubicle Dimensions and Weights
Normal Current (A) 630 1250 2000
Cubicle width (mm)
Depth (mm)
Height (mm)
900
2368
1926 - extensions if necessary
Bus-section-cum-Transition panel
Width (mm)

1500
Approx. Weight (kg)
Feeder without PT
Potential Transformer

750kg
130kg

    

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Bucheon-city, Gyeonggi-do 420-020, KOREA