ASB with FIXCON connector, 8 ports, LED, M23 12-poles

Name: Belden RSU 12-ASB 8/LED 5-4-331
Brand: Belden
SKU: RSU 12-ASB 8/LED 5-4-331

Ships from and sold by A5 IT.

Part numbers

RSU 12-ASB 8/LED 5-4-331 is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.

Side 1 Product Sub Family	Classic
I/O Connection	M12, 5/4-poles, A-coded
Number of Ports	8
I/O Wiring Configuration	single I/O per port
Control Cable Interface	M23, 12-poles
Protection Degree / IP Rating Note	** only if mounted and locked in combination with Hirschmann / Lumberg Automation connector.
System Power Supply Connection Note	*do not connect / disconnect under voltage!

Housing Material	Plastic, TPU
Housing Color	Orange
Protection Degree / IP Rating**	IP67
Potted	Yes
Dimensions (W x H x D)	54 mm x 30,3 mm x 127 mm
Ambient Temperature (Operation)*	-15 °C to 80 °C
Side 1 Pollution Degree	3 acc. to EN 60664-1, VDE 0110-1
Contact Base Material	CuZn
Contact Bearer Material	ASB: PA \| M23: PBT
O-Ring Material	FKM
Fastening Torque (I/O Connection)	M12: 0.5 Nm

Sensor Type	PNP

CE	Yes
RoHS Compliant	Yes

Update and Revision	Revision Number: 0.51 Revision Date: 02-20-2026

Protection Degree / IP Rating Note	** only if mounted and locked in combination with Hirschmann / Lumberg Automation connector.
System Power Supply Connection Note	*do not connect / disconnect under voltage!