Application planning
4.2 Power supply, grounding, and connection
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
151
4.2.1
Power supply, grounding, and connection
Connections, fixed-mounted version
W
min
mm
[in]
W
max
mm
[in]
D
min
mm
[in]
D
max
mm
[in]
L
mm
[in]
∅
mm
[in]
H
mm
[in]
M
mm
[in]
*
Nm
[lb-in]
Vertically orientable
rear terminals
40
[1.58]
—
10
[0.39]
—
12.5
[0.49]
11
[0.43]
12.5
[0.49]
25±0.1
[0.98±
0.004]
40
[354]
Horizontally orientable
rear terminals
40
[1.58]
50
[1.97]
10
[0.39]
—
12.5
[0.49]
11
[0.43]
12.5
[0.49]
25±0.1
[0.98±
0.004]
40
[354]
Front
terminals for main circuit
connection
40
[1.58]
50
[1.97]
10
[0.39]
20
[0.79]
16
[0.63]
11
[0.43]
14
[0.55]
25±0.1
[0.98±
0.004]
18
[159.3]
Front connection bars,
extended
40
[1.58]
50
[1.97]
10
[0.39]
—
14
[0.55]
11
[0.43]
—
25±0.1
[0.98±
0.004]
40
[354]
Front connection bars,
broadened
40
[1.58]
90
[3.54]
10
[0.39]
—
20
[0.78]
13
[0.51]
—
45±0.1
[1.77±
0.004]
40
[354]
* Tightening torque