Siemens SENTRON 3WL10 - Mounting and Connecting the Device

Connection and commissioning
5.2 Mounting and connecting the device
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
164 Manual, 10/2018, L1V30499596002-01
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 fixed-mounted breaker version
Horizontally / vertically
orientable
rear connections
20
40
Front
terminals for main circuit
connection
18 18
Front connection bars,
extended
18 40
Front connection bars,
broadened
18 40
Copper/aluminum cable
connection bar
18
Connections of the guide frame
Horizontally / vertically
orientable
rear connections
20
40
Front
terminals for main circuit
connection
12 40
Front connection bars,
extended
12 40
Front connection bars,
broadened
40 40
Copper/aluminum cable
connection bar
40
1)
You will find the dimensions for the diagrams in Chapter Power supply, grounding, and
connection (Page 150).