Siemens 3TK28 - Disconnecting Terminal Blocks

Connection
5.3 Disconnecting
3TK28 safety relays
192 Manual, 07/2016, NEB926157502000/RS-AB/003
5.3
Disconnecting
WARNING
Hazardous voltage
Can Cause Death, Serious Injury, or Property Damage.
Before starting work, therefore, disconnect the system and devices from the power supply.
Removing terminal blocks from the device
Note
Order of removal
Remove terminal block A before terminal block B, and C before D.
Note
The procedure is shown applied to the 45
mm housing. The procedure for 22.5 mm devices
is analogous.
Step
Operating instruction
Figure
1 Insert a flat-head screwdriver between the clip
of the terminal block and the front panel
①.
2
Pull the terminal block out to the front
②
.
3 Lift the terminal block out of the mechanically
coded guiderail of the device ③.