Technical specifications
8.2 Technical specifications - 3VA27
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
220
Manual, 10/2018, L1V30499596002-01
8.2
Technical specifications - 3VA27
3VA27 molded case circuit breaker
Breaking capacity
M
H
C
Number of poles
3, 4
Rated operational current
I
n
40 °C
A
630, 800, 1000, 1250
Rated operational voltage
U
e
AC (50-60 Hz)
V
690
Rated insulation voltage
U
i
AC (50-60 Hz)
V
1000
Rated impulse withstand voltage
U
imp
kV
8
Current-carrying capacity of the neutral pole for
4-pole circuit breakers
% I
n
100
Rated ultimate short-circuit breaking capacity
I
cu
220/230 V
kA
100
150
200
380/400/415 V
kA
55
85
110
440 V
kA
55
85
100
500 V
kA
36
55
85
690 V
kA
25
36
50
Rated service short-circuit breaking capacity
I
cs
220/230 V
kA
100
150
200
380/400/415 V
kA
55
85
110
440 V
kA
55
85
100
500 V
kA
36
55
63
690 V
kA
25
36
37
Rated short-circuit making capacity
I
cm
220/230 V
kA
220
330
440
380/400/415 V
kA
121
187
242
440 V
kA
121
187
220
500 V
kA
75.6
121
187
690 V
kA
52.5
75.6
105
Rated short-time withstand current
I
cw
1 s
kA
20
Dimensions and weights, see Chapter Technical overview (Page 36).