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Connecting
9.1
Connection via terminals
Connection types
The solid-state overload relays for IO-Link are connected via removable terminals with the
following connection options:
• Free wiring on screw-type terminals
• Free wiring on spring-loaded terminals
Connection using screw-type terminals
Hazardous voltage!
Will cause death or serious injury.
Turn off and lock out power before working on this equipment.
To tighten/release the screw-type terminals, you need a PZ 2 screwdriver. The tightening torque
must be between 0.8 and 1.2 Nm.
Please refer to the table for the conductor cross-sections and stripping lengths.
Table 9-1
Type of connection
AWG
SIRIUS 3RB24 electronic overload relay for IO-Link
Equipment Manual, 07/2022, NEB969165602000/RS-AA/003
DANGER
Conductor cross-sections for screw-type terminals
Conductor cross-section
∅ 5 ... 6 mm/PZ 2
0.8 to 1.2 Nm
(7 to 10.3 lb in)
1 x (0.5 to 4) mm
2
2 x (0.5 to 2.5) mm
2
1 x (0.5 to 2.5) mm
2
2 x (0.5 to 1.5) mm
2
2 x (20 to 14)
9
71
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