Procedure for screw-type terminal blocks
Step Instructions Figure
1 Insert the relevant cable into square on the
screw terminal until it engages.
2 Hold the cable in the screw terminal.
3 Tighten the screw of the terminal in which the
cable is inserted.
4 Pull on the cable to ensure it is screwed tight.
Procedure for spring-loaded terminal blocks
Step Instructions Figure
1 To release the terminal spring, insert the 3‑mm
at-head screwdriver into the square opening of
the spring-loaded terminal until it engages.
Please observe a 10° horizontal angular devia‐
tion of the screwdriver to the oval opening.
2 Insert the cable into the oval opening as far as it
will go.
3 Hold the cable in the spring-loaded terminal.
4 Remove the screwdriver.
5 Pull on the cable to ensure it is tight.
Description of the hardware
5.3 Connecting / wiring
SIRIUS 3RK3 Modular Safety System
146 Equipment Manual, 07/2020, NEB926253002000/RS-AC/006
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