Application planning
4.1 Types of installation and installation locations
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
138
Manual, 10/2018, L1V30499596002-01
4.1.1
Mounting position
Vertical
Horizontal right
Horizontal
left
Vertical -
rotated 180°
Ceiling
mounting
Floor mounting
Wall mounting
3VA27 molded case circuit breaker - with toggle operating mechanism
Fixed-mounted brea-
ker
✓
✓
✓
-
✓
✓
Withdrawable breaker
✓
✓
✓
-
With front mounted
rotary operator
✓
✓
✓
-
✓
✓
With door mounted
rotary operator
✓
✓
✓
-
✓
✓
Floor mounting
✓
N.A.
N.A.
-
N.A.
N.A.
Wall mounting
✓
✓
✓
-
✓
✓
Interlocks
(mechanical, direct,
cable, ...)
✓
✓
✓
-
✓
✓
3VA27 molded case circuit breaker - with stored energy operating mechanism
Fixed mounting incl.
spring charging motor
✓
✓
✓
-
-
-
Withdrawable breaker
✓
✓
✓
-
-
-
Floor mounting
✓
N.A.
N.A.
N.A.
N.A.
N.A.
Wall mounting
✓
✓
✓
-
-
-
Interlocks (mechani-
cal, direct, cable, ...)
✓
✓
✓
-
-
-