Vacuum Circuit Breaker

General Information

ARM Type Vacuum Breakers are one of the main equipment of medium voltage air insulated switchgears. Vacuum breakers have a high ability to extinguish arcs that may occur during opening and closing. Therefore, it has found a wide application area in medium and high voltage systems as arc extinguishing and isolation media. Type tests of Vacuum Breakers manufactured at 36kV rated voltage have been completed in accordance with IEC 62271-100 standard.

TYPEARM-36-V-01ARM-24-V-01ARM-12-V-01
RATED VOLTAGE36 kV24 kV12 kV
INSULATION VOLTAGE70 kV (etken-1dk)50 kV (etken-1dk)28 kV (etken-1dk)
LIGHTNING IMPACT VOLTAGE170(peal – 1.2-50ys)125(peak – 1.2-50ys)75(peak – 1.2-50ys)
RATED CURRENT1250 A1250 A1250 A
RATED FREQUENCY50 Hz50 Hz50 Hz
SHORT CIRCUIT CURRENT16 kA20 kA25 kA
PEAK STRENGTH CURRENT40 kA50 kA62,5 kA
SHORT TIME3 sn.3 sn.3 sn.
GAS TIGHT TYPESealed pressureSealed pressureSealed pressure
CLASSE2, C2, M2E2, C2, M2E2, C2, M2
WORKING CYCLEA-0,3 sn-KA-3 dk-KAA-0,3 sn-KA-3 dk-KAA-0,3 sn-KA-3 dk-KA

 

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