Siemens SENTRON 3WL10 - Mounting and Connecting the Device; Tightening Torques at a Glance

5.2 Mounting and connecting the device
5.2.1 Tightening torques at a glance
Connection technology Tightening torque
Connection
Connection methods -
Circuit breakers
[Nm]
Connection
Connection method -
Cables and busbars
1)
[Nm]
Connections of the 󹪝xed-mounted breaker version
Horizontally / vertically ori‐
entable
rear connections
20
+
/
:

T
0
+
/
:

T
0
:

T
+
40
Front
terminals for main circuit
connection
18 18
Front connection bars, ex‐
tended
18 40
Front connection bars,
broadened
18 40
Copper/aluminum cable
connection bar
 18
Connections of the guide frame
Horizontally / vertically ori‐
entable
rear connections
20
+
/
:

T
0
+
/
:

T
0
:

T
+
40
Front
terminals for main circuit
connection
12 40
Front connection bars, ex‐
tended
12 40
Front connection bars,
broadened
40 40
Copper/aluminum cable
connection bar
 40
1)
You will 󹪝nd the dimensions for the diagrams in Chapter Power supply, grounding, and
connection (Page140).
Connection and commissioning
5.2Mounting and connecting the device
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
154 Equipment Manual, 10/2023, L1V30499596002-03