Connection
6.3 Connecting the push-in terminals
SIRIUS 3RM1 motor starter
Manual, 11/2013, A5E0345285095020A/RS-AB/002
91
Control current terminals Main current terminals
Terminal area of control current terminals
Terminal area of main current terminals
Connecting the push-in terminals
Hazardous Voltage.
Can Cause Death, Serious Injury, or Property Damage.
Turn off and lock out all power supplying this device before working on this device.
Absence of overvoltage protection if wiring is wrong
Observe the wiring's terminal assignments:
For optimum response in the event of short circuits and for protection against overvoltages,
the main circuit's infeed must be at terminals 1/L1 to 5/L3.
Push-in connections are a form of spring-loaded terminals allowing wiring without tools for
rigid conductors or conductors equipped with end sleeves.
For wiring finely-stranded or stranded conductors without end sleeves on push-in
connections, a screwdriver is required.
● Screwdriver DIN 5264 of the size 0.5 x 3 mm (for finely-stranded conductors only)
● For suitable connection cross-sections of the cables and notes on end sleeve finishing,
see Chapter Connection cross sections (Page 123).
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