Technical specications
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 (50/60Hz) V Up to 690
Rated insulation voltage U
i
AC (50/60Hz) 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
415VAC kA 42 55 66
500VAC kA 42 50 50
690VAC kA — 42 50
Rated service short-circuit breaking capacity I
cs
415VAC kA 42 50 50
500VAC kA 42 50 50
690VAC kA — 42 50
Rated short-circuit making capacity I
cm
415VAC kA 88 121 145
500VAC kA 88 105 105
690VAC kA — 88 105
Rated short-time withstand current I
cw
1s kA 42 42 50
3s 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 (Page34).
8.2 Technical specications - 3VA27
3VA27 molded case circuit breakers
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 (50-60Hz) V 690
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03 207