Siemens SIRIUS 3SK1 Equipment Manual page 172

Connection
8.3 Devices 90 mm
1. Insert the screwdriver into the screw-type terminal.
2. Unscrew the screw of the screw-type terminal.
3. Remove the cable from the unscrewed screw-type terminal.
Disconnecting spring-loaded terminals
~10°
1. Insert the flat-head screwdriver into the rectangular opening of the spring-loaded terminal
until it engages. Please observe a 10° horizontal angular deviation of the screwdriver to the
oval opening.
2. Remove the cable from the oval opening.
3. Remove the screwdriver.
172
3 mm
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005