Siemens SIRIUS ACT 3SU1 - Connecting

3SU12 compact units
7.3 Connecting
SIRIUS ACT 3SU1 pushbuttons and signaling devices
168 System Manual, 08/2018, A5E03457306020A/RS-AK/010
7.3
Connecting
Procedure for wiring compact units
1. Insert the relevant cable as far as it will go into the opening of the screw terminal of the
compact unit.
①
2. Insert the screwdriver (DIN ISO 8764-1-PZ1) into the opening for the screw.
②
Tighten the screw.
Tightening torque: 0.8 … 1.0 Nm
3. Pull on the cable to ensure it is screwed tight.
Conductor cross-sections for compact units
Screw terminals
DIN ISO 8764-1-PZ1
Tightening torque:
0.8 … 1.0 Nm
2x (1.0 ... 1.5) mm
2
(acc. to DIN 46228)
2x (0.5 ... 0.75) mm
2
2x (1.0 ... 1.5) mm
2
(acc. to DIN 46228)
2x (0.5 ... 1.5) mm
2
AWG
2x (18 to 14)