Product Number: ASB 8/LED 5-4-331

ASB with FIXCON connector; 8 ports; LED; STL331

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

Ships from and sold by A5 IT.

Part numbers

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	Open End
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	PA
O-Ring Material	FKM
Fastening Torque (I/O Connection)	M12: 0,5 Nm
Accessories to Order Separately	flat gasket: 733-973-002, GSE 2000-2 NBR for Temp.- bereich: -30°C to +90°C 733-846-003, GSE 2000-3 EPDM for Temp.- bereich: -40°C to +125°C

Status Indicator (System Supply)	LED green
Actuator Supply Voltage (Nominal)	24 V DC (SELV/PELV)
Actuator Supply Voltage (Range)	10 V DC to 30 V DC

Input Wiring	2-, 3-, 4-wire
Sensor Type	PNP

Output Wiring	2-, 3-wire
Galvanically Isolated	No

UL	cULus Listed, UL 508
UL-File	E104696
Update and Revision	Revision Number: 0.70 Revision Date: 02-20-2026
CSA	Yes, via UL

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!