3VA27 molded case circuit breakers & 3WL10 air circuit breakers 
Manual, 10/2018, L1V30499596002-01 
219 
 
Technical data 3WL10 
3WL10 air circuit breaker 
 
n
Rated operational voltage  U
e
  AC (50/60 Hz)  V  Up to 690 
i
Rated impulse withstand voltage 
Current-carrying capacity of the neutral pole for  
    % I
n
  100 
Rated ultimate short-circuit breaking capacity  I
cu
 
Rated service short-circuit breaking capacity  I
cs
 
Rated short-circuit making capacity  I
cm
 
Rated short-time withstand current  I
cw
 
Break time   
cw
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).