Application planning
4.2 Power supply, grounding, and connection
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
153
Means of connection, cables
A
[mm]
∅
[mm]
A ∅
[mm
2
]
*
Nm
[lb-in]
Connections of the fixed-mounted breaker version
Circular conductor termi-
nal,
adapter 4x240
30
21.5
120 to 240
43
[380.6]
* Tightening torque
The following applies to connecting bars to horizontally / vertically orientable rear terminals
for main circuit connection:
Rated uninterrupted current
I
u
[A]
Busbar dimensions
Horizontally oriented
rear terminals
Vertically oriented
rear terminals
630
2 x 40 x 5
✓
✓
800
2 x 50 x 5
✓
✓
1000
2 x 50 x 10
✓
—
2 x 50 x 8
—
✓
1250
2 x 50 x 10
✓
—
2 x 50 x 8
—
✓
