Siemens Simantic ET200SP System Manual page 95

The following figure shows an example of a BaseUnit BU30-MS5 (with the maximum number
of terminals):
①
②
Figure 5-9
Hazardous Voltage
Can Cause Death, Serious Injury, or Property Damage.
Hazardous electrical voltage can cause electric shock, burns and property damage.
Turn off and lock out all power supplying this device before working on this device.
For wiring finely-stranded or stranded conductors without end sleeves on push-in
connections, a screwdriver is required.
Requirements
● The supply voltages are switched off
● Observe the wiring rules
Required tools
Use the screwdriver "SZF 1-0.6x3.5" (for finely-stranded cables only).
Distributed I/O system
System Manual, 12/2016, A5E03576849-AG
Push-in terminal
Spring release
Terminals on a BaseUnit BU30-MS5
DANGER
5.9 Wiring BaseUnits for motor starters
Wiring
95