ABB VD4 Installation And Service Instructions Manual page 16

V D 4 - INSTALLATION AND SERVICE INSTRUCTIONS
16
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4. Description
4.9.1 General characteristics of withdrawable circuit breakers
for UniGear ZS1 switchgear
General characteristics of withdrawable circuit breakers
for UniGear ZS1 switchgear (12 kV)
Circuit breaker
Standards
Rated voltage
Rated insulation voltage
Withstand voltage at 50 Hz
Impulse withstand voltage
Rated frequency
Rated normal current (40 °C) ( 1 )
Rated breaking capacity (rated short-circuit
breaking current symmetrical)
Rated short-time withstand current (1 s)
Making capacity
Operation sequence
Opening time
Arcing time
Total breaking time
Closing time
P
P
Maximum
overall
dimensions
D
W
Weight
Standardised table of dimensions
Operating temperature
Tropicalization
Electromagnetic compatibility
(1) 4000 A rated currentwth guaranted with forced ventilation according to ABB design
VD4/P 12
•
IEC 62271-100
Ur [kV] 12
Us [kV] 12
Ud (1 min) [kV] 28
Up [kV] 75
fr [Hz] 50-60
Ir [A] 1250
Isc [kA] 63
Ik [kA] 63
Ip [kA] 164
•
[O - 0.3 s - CO - 3 min - CO]
[ms] 28 ... 40
[ms] 10 ... 15
[ms] 38 ... 55
[ms] ≤ 55
H [mm] 736
W [mm] 750
D [mm] 646
Pole distance P [mm] 275
[kg] 261
1VCD 003943
[°C] - 5 ... + 40
IEC: 60068-2-30, 60721-2-1 •
IEC: 62271-1 •
1600 2000 2500
63 63 63
63 63 63
164 164 164
• • •
28 ... 40 28 ... 40 28 ... 40
10 ... 15 10 ... 15 10 ... 15
38 ... 55 38 ... 55 38 ... 55
≤ 55 ≤ 55 ≤ 55
736 736 736
750 750 750
646 646 646
275 275 275
261 261 261
3150 4000 ( 1 )
63 63
63 63
164 164
• •
28 ... 40 28 ... 40
10 ... 15 10 ... 15
38 ... 55 38 ... 55
≤ 55 ≤ 55
736 736
750 750
646 646
275 275
270 270