VDH

VDH

BROCHURE / PDF

VDH

Vacuum Substation Circuit Breaker up to 38 kV, 3000 A, 40 kA. Particularly used in power substations as main breaker and bus-tie breaker, this series is also ideal for switching and protection of feeders, shunt capacitors banks and reactors.
DESIGNATION CODE


VDH 38.12.25 VDH 38.12.32 VDH 38.12.40 VDH 38.20.32 VDH 38.20.40 VDH 38.30.32 VDH 38.30.40
Rated Voltage kV 34,5 34,5 34,5 34,5 34,5 34,5 34,5
Rated Maximum Voltage kV 38 38 38 38 38 38 38
Rated Continuous Current A 1.200 1200 1200 2000 2000 3000 3000
Rated Symmetrical Interrupting Capability kA 25 31,5 40 31,5 40 31,5 40
Rated Short-Time Current (RMS) kA (3 seg) 25 31,5 40 31,5 40 31,5 40
Rated Closing and Latching Current (Peak) kA 65 82 104 82 104 82 104
Dielectric Strength – Power Frecuency kV 80 80 80 80 80 80 80
Dielectric Strength – Impulse Full Wave (BIL) kV 200 200 200 200 200 200 200
Rated Frecuency Hz 50/60 50/60 50/60 50/60 50/60 50/60 50/60
Rated Closing Time ms ≤ 45 ≤ 45 ≤ 45 ≤ 45 ≤ 45 ≤ 45 ≤ 45
Rated Opening Time ms ≤ 30 ≤ 30 ≤ 30 ≤ 30 ≤ 30 ≤ 30 ≤ 30
Rated Arcing Time ms 4 to 11 4 to 11 4 to 11 4 to 11 4 to 11 4 to 11 4 to 11


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