WEG VBWC Series, Installation,Operation And Maintenance Instruction

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Vacuum Circuit Breaker | 25
Rated voltage (kV) 17,5
Rated current (A) 630 1250
Rated frequency (Hz) 50/60
Rated breaking current (kA) 25
Rated breaking capacity (MVA) 758
Rated short-time current (kA) 25/3 seg
Rated making current (kA) 65
Rated interrupting time (ciclo) 3
Withstand
Voltage
Frequency (kV) 38
Impulse (kV/1.2×50
㎲
) 95
Operating duty O-0,3s-CO-15s-CO
Control voltage (V) DC 24~30 V
DC 48~60V,
AC 48 V
AC/DC
100~130 V
AC/DC
200~250 V
Current of motor operation (A) ≤ 8 ≤ 4 ≤ 2 ≤ 1
Control current for closing (A) ≤ 8 ≤ 4 ≤ 4 ≤ 2
Control current for opening (A)
(Steady Current/Inrush Current)
≤ 5/≤ 25 ≤ 3/≤ 15 ≤ 2/≤ 10 ≤ 1/≤ 5
Standard aux. contacts 4a4b,10a10b
Rated opening time (s) ≤ 0,04
No-load closing time (s) ≤ 0,08
Motor Charging Time (s) ≤ 5
Pole distance (mm) 150
Weight (kg) 55 55
Applicable standard IEC 62271-100
Table 11.1: Ratings Table
Figure 11.2: Poles distance