Siemens SENTRON 3WL10 Manual page 43

3VA27 non-automatic air circuit breakers
The 3VA27 non-automatic air circuit breaker is offered in class M.
Number of poles
Conventional thermal current
Rated operational current
Rated operational voltage
Rated insulation voltage
Rated impulse withstand
voltage
Rated short-circuit making
capacity
Rated short-time current
Reference standard
Endurance
Mechanical endurance
Electrical endurance
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
I
th
AC22 I
e
AC23 I
e
U AC (50-60
e
Hz)
DC
U
i
U
imp
I disconnector
cm
only
with up-
stream
circuit brea-
ker
I 1 sec
cw
No. of operating
cycles
Operating cycles/h
415 V AC No. of operating
cycles
690 V AC Operating cycles/h
3, 4
A 800 1000
A 800 1000
A 800 1000
V 690
V 750
V 1000
kV 8
kA 40
kA 440
kA 20
IEC 60947-3
Description
2.7 Basic unit
1250 1600
1250 1600
1250 1250
10,000
60
2000
500
41