ABB VD4 36 - Page 11

5.5.1. General characteristics of withdrawable circuit-breakers
General characteristics of withdrawable circuit-breakers
for UniGear ZS2 & PowerCube modules (36 kV)
Circuit-breaker VD4/W 36
Standards
IEC 62271-100 •
VDE 0671; CEI 17-1 (File 1375) •
Rated voltage Ur [kV] 36
Rated insulation voltage Us [kV] 36
Withstand voltage at 50 Hz Ud (1 min) [kV]
Impulse withstand voltage Up [kV] 170
Rated frequency fr [Hz] 50-60
Rated normal current (40 °C) Ir [A]
Rated breaking capacity
(rated short-circuit breaking current symmetrical)
Isc [kA]
Rated short-time withstand current (3s) Ik [kA]
Making capacity Ip [kA]
Operation sequence [ O - 0.3 s - CO - 3 min - CO ]
Opening time [ms] 33 ... 60
Arcing time [ms] 10 ... 15
Total br
eaking time [ms] 43 ... 75
Closing time [ms] 60 ... 80
Maximum
overall
dimensions
H [mm]
W [mm]
D [mm]
Pole distance P [mm]
Weight [kg]
Operating temperature [°C] - 5 ... + 40
Tropicalization IEC: 60068-2-30, 60721-2-1 •
Electromagnetic compatibility IEC: 62271-1 •
D
H
W
P
P
1250
--
31.5
--
--
31.5
--
--
80
--
•
973
842
788
275
230
1600
--
31.5
--
--
31.5
--
--
80
--
•
2000
--
31.5
--
--
31.5
--
--
80
--
•
2500*
--
31.5
--
--
31.5
--
--
80
--
•
70
973
842
788
275
245
973
842
788
275
275
973
842
788
275
-
Note: * - To be released. Contact ABB
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