Siemens SIRIUS 3SK1

8.2.2 Connection data for 3SK1 terminals
Speci󹪝cation and value
in the case of removable terminals with screw-type terminals
Screwdriver Cross-tip screwdriver
Size: PZ 1x80 (⌀ 4.5 mm)
Torque: 0.6 to 0.8 Nm
Rigid cable
$
A = 10 mm
1 x 0.5 ... 2.5 mm²
2 x 1.0 ... 1.5 mm²
Flexible conductor with end sleeve
$
A = 10 mm
1 x 0.5 ... 2.5 mm²
2 x 0.5 ... 1.0 mm²
Flexible cable
$
Not permissible
AWG 1 x 20 to 14
2 x 18 to 16
Connection
8.2 22.5 mm/17.5 mm devices
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 157