Connecting Terminal Blocks - Siemens 3TK28 Manual

Connection

5.2 Connecting terminal blocks

5.2 Connecting terminal blocks
WARNING
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
is analogous.
Step Operating instruction
1 Insert the relevant cable into square on the
screw-type terminal until it engages.
2 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.
190
Figure
Manual, 07/2016, NEB926157502000/RS-AB/003
3TK28 safety relays