Connection
5.2 Connecting terminal blocks
3TK28 safety relays
190 Manual, 07/2016, NEB926157502000/RS-AB/003
Connecting terminal blocks
Hazardous voltage
Can Cause Death, Serious Injury, or Property Damage.
Before starting work, therefore, disconnect the system and devices from the power supply.
Procedure for screw-type terminal blocks
Note
The procedure is shown applied to the 45
mm housing. The procedure for 22.5 mm devices
1 Insert the relevant cable into square on the
screw-type terminal until it engages.
Hold the cable in the screw-type 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.