Siemens SENTRON 3VA27 - 8 Technical Specifications; Technical Data 3 WL10

3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
219
Technical specifications
8
8.1
Technical data 3WL10
3WL10 air circuit breaker
Breaking capacity
B
N
S
Number of poles
3, 4
Rated current
I
n
40 °C
A
630, 800, 1000, 1250
Rated operational voltage U
e
AC (50/60 Hz) V Up to 690
Rated insulation voltage
U
i
AC (50/60 Hz)
V
1000
Rated impulse withstand voltage
U
imp
kV
12
Current-carrying capacity of the neutral pole for
4-pole circuit breakers
% I
n
100
Rated ultimate short-circuit breaking capacity I
cu
415 V AC
kA
42
55
66
500 V AC
kA
42
50
50
690 V AC
kA
—
42
50
Rated service short-circuit breaking capacity I
cs
415 V AC
kA
42
50
50
500 V AC
kA
42
50
50
690 V AC
kA
—
42
50
Rated short-circuit making capacity I
cm
415 V AC
kA
88
121
145
500 V AC
kA
88
105
105
690 V AC
kA
—
88
105
Rated short-time withstand current I
cw
1 s
kA
42
42
50
3 s
kA
24
24
36
Break time
I < I
cw
ms
40
I > I
cw
ms
25
Rated conditional short-circuit current of the non-
automatic air circuit breakers
I
cc
kA — 42 50
Dimensions and weights, see Chapter Technical overview (Page 36).