Description
2.7 Basic unit
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
37
Mechanical and electrical endurance with regular maintenance in accordance with the
manufacturer's instructions:
Mechanical endurance
I
u
≤ 1000
1250
Operating cycles x
1000
20
20
Fre-
quency
Operating cycles/h
60
60
Electrical endurance
440 V
Operating cycles x
1000
8
8
690 V
Operating cycles x
1000
8
6.5
Operating cycles/h
30
30
Dimensions and weight:
Dimensions
Fixed-
mounted
breaker
H - with COM
mm 291
H - without terminal cover,
without COM
mm 268
D
mm 183
W
3-pole
mm 214
1)
4-pole
mm 284
1)
Withdrawable
breaker
H
mm 363.5
D
mm 271
W
3-pole
mm 278
4-pole
mm 348
Weight (with
ETU and cur-
rent sensor)
Fixed-mounted breaker
3-pole
kg
14
4-pole
kg
16
Withdrawable breaker
3-pole
kg
38
4-pole
kg
43
1)
including both side plates
3VA27 molded case circuit breakers
Poles
3, 4
Rated operational current
A
800, 1000, 1250, 1600
Rated operational voltage
U
e
AC (50—60 Hz)
V
690
Rated insulation
voltage
U
i
V
1000
Rated impulse
withstand voltage
U
imp
kV
8