ABB VD4G-25 Installation And Operating Instructions Manual page 12

V D 4 G I N S TA L L AT I O N A N D O P E R AT I N G I N S T R U C T I O N S
12
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5. Description
5.5.1. Types of withdrawable circuit-breakers available
General characteristics of withdrawable circuit-breakers
for UniGear ZS1 (15 kV) switchgear
Circuit-breaker
Standards IEC/IEEE 62271-37-013
Rated voltage
Rated insulation voltage
Withstand voltage at 50 Hz
Rated value
Impulse withstand voltage
Rated value
Rated frequency
Rated current (40° C)
Rated breaking capacity (system-source)
Symmetrical short-circuit current
DC component of breaking capacity
Symmetrical short-circuit current (system-
source)
Rated breaking capacity (generator-source)
Symmetrical short-circuit current
DC component of breaking capacity Class G1
(generator-source)
Symmetrical short-circuit current Iscg Class G2
(generator-source)
DC component of breaking capacity Class G2
(generator-source)
Rated breaking current under out-of-phase conditions
Rated symmetrical short-circuit current
DC component of breaking current
Making current
Rated operating sequence during short-circuit interruption
Short-time withstand current (3s)
Opening time
Maximum arcing time (generator-source fault - 130% DC
component at contact separation)
Closing time
P P
Maximum
overall
H
dimensions
W
Weight
Standardized dimensions table
Operating temperature
A with forced ventilation
(1) 4000
Ud (1 min) [kV] 38
IscSFF [kA] 25
IascSFF [kA] 36.5
IscGFF [kA] 16
IscGFF [kA] 16
IscOOP [kA] 12.5
Pole center-distance P [mm] 150
D
VD4G-25 VD4G-40
• •
Ur [kV] 15 15
Us [kV] 15 15
38
Up [kV] 95 95
fr [Hz] 50-60 50-60
Ir [A] 1250 2000
40
% 74 74
58.5
25
% 110 110
25
% 130 130
20
% 74 74
Ip [kA] 68.5 115
CO-10 min-CO
Ik [kA] 25 40
[ms] 33...60
[ms] 40 34
[ms] 30...60
H [mm] 461 730
W [mm] 450 853
D [mm] 424 643
210
[kg] 73 190
1VCD003891 1VCD000234
[°C] - 5 ... + 40
2000 3150 4000 (1)
730 636 636
853 750 750
643 459 459
275 275 275
205 221 221
1VCD000243 1VCD000244