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M8, M12, & 7/8'' Circular Connectors

HARTING M8, M12, and 7/8'' Circular Connectors feature straight and angled variants with IDC or crimp connectors for field assembly or a range of pre-assembled overmolded connectors. The M8 and M12 circular connectors are mainly used for the cabling of sensors and actuators. The 7/8'' circular connectors are primarily used for DeviceNet applications and power supplies. The range of these HARTING M8, M12, and 7/8'' connectors are further enhanced with a wide selection of solutions for the device side, such as panel feed-through, PCB adapters, and gender changers.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 5.0M PVC 21348081380050 HARTING 1: €16.33 172In Stock Restricted Availability	Mfr. Part No. 21348081380050 Mouser Part No 617-21348081380050	HARTING	Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 5.0M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	172In Stock	€16.33 €14.77 €14.16 €12.64 View €12.23 €12.03 €11.48	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 5.0M PVC 21348500C79050 HARTING 1: €40.33 79In Stock Restricted Availability	Mfr. Part No. 21348500C79050 Mouser Part No 617-21348500C79050	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 5.0M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	79In Stock	€40.33 €34.27 €32.44	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 1.0M PVC 21348500C79010 HARTING 1: €33.35 169In Stock Restricted Availability	Mfr. Part No. 21348500C79010 Mouser Part No 617-21348500C79010	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 1.0M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	169In Stock	€33.35 €28.34 €26.57 €26.20 €24.60	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 2.0M PVC 21348400C79020 HARTING 1: €28.52 99In Stock Restricted Availability	Mfr. Part No. 21348400C79020 Mouser Part No 617-21348400C79020	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 2.0M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	99In Stock	€28.52 €25.39 €24.89 €23.93	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN MALE STRT SINGLE END 0.5M PUR 21349200477005 HARTING 1: €42.60 10In Stock Restricted Availability	Mfr. Part No. 21349200477005 Mouser Part No 617-21349200477005	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN MALE STRT SINGLE END 0.5M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	10In Stock	€42.60 €36.33 €32.90 €31.33 View €29.83 €28.87	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 1.5M PVC 21348485882015 HARTING 1: €26.69 1In Stock Restricted Availability 10Expected 10/11/2026	Mfr. Part No. 21348485882015 Mouser Part No 617-21348485882015	HARTING	Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 1.5M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock 10Expected 10/11/2026	€26.69 €24.18 €23.91 €23.26 View €22.64 €22.34 €22.12 Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-D 4PIN MALE STRT SINGLE END 1.0M PUR 21349200477010 HARTING 1: €44.01 26In Stock Restricted Availability	Mfr. Part No. 21349200477010 Mouser Part No 617-21349200477010	HARTING	Sensor Cables / Actuator Cables M12-D 4PIN MALE STRT SINGLE END 1.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	26In Stock	€44.01 €33.58 €33.40 €31.81 €30.97	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT1.0M PUR 21348485C78010 HARTING 1: €46.88 33In Stock Restricted Availability	Mfr. Part No. 21348485C78010 Mouser Part No 617-21348485C78010	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT1.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	33In Stock	€46.88 €39.85 €37.36 €35.46 View €33.88 €33.18	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 10.0M PUR 21349292477100 HARTING 1: €136.46 10In Stock Restricted Availability	Mfr. Part No. 21349292477100 Mouser Part No 617-21349292477100	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 10.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	10In Stock	€136.46 €117.98 €108.76 €106.73	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN M/F STRT/RA DOUBLE END 10.0M PUR 21348083388100 HARTING 1: €29.95 3In Stock Restricted Availability	Mfr. Part No. 21348083388100 Mouser Part No 617-21348083388100	HARTING	Sensor Cables / Actuator Cables M8 3PIN M/F STRT/RA DOUBLE END 10.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	3In Stock	€29.95 €25.79 €25.38 €24.65 View €23.44 €23.41 Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN FML RT ANGL SINGLE END 1.0M PUR 21348300388010 HARTING 1: €11.64 9In Stock Restricted Availability	Mfr. Part No. 21348300388010 Mouser Part No 617-21348300388010	HARTING	Sensor Cables / Actuator Cables M8 3PIN FML RT ANGL SINGLE END 1.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	9In Stock	€11.64 €9.74 €9.35 €8.94 View €8.49 €7.99 €7.77 €7.58	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN FML STRT SNGL END 5.0M PUR 21349700496050 HARTING 1: €67.24 10In Stock Restricted Availability	Mfr. Part No. 21349700496050 Mouser Part No 617-21349700496050	HARTING	Ethernet Cables / Networking Cables 7/8" 4PIN FML STRT SNGL END 5.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	10In Stock	€67.24 €58.35 €52.52 €50.02 €48.15	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 1.5M PVC 21348100380015 HARTING 1: €12.62 1In Stock Restricted Availability	Mfr. Part No. 21348100380015 Mouser Part No 617-21348100380015	HARTING	Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 1.5M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock	€12.62 €10.64 €10.07 €9.74 View €9.49 €7.56	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-B 4PIN M/F STRT DBL END 10.0M PUR 21348889487100 HARTING 1: €151.87 1In Stock Restricted Availability	Mfr. Part No. 21348889487100 Mouser Part No 617-21348889487100	HARTING	Sensor Cables / Actuator Cables M12-B 4PIN M/F STRT DBL END 10.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock	€151.87 €139.97	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML STRT 2.0M PUR 21348500C78020 HARTING 1: €40.14 4In Stock Restricted Availability	Mfr. Part No. 21348500C78020 Mouser Part No 617-21348500C78020	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML STRT 2.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	4In Stock	€40.14 €34.58 €34.10 €32.22 View €31.37 Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN MALE STRT SINGLE END 2.0M PUR 21349200477020 HARTING 1: €52.70 6In Stock Restricted Availability	Mfr. Part No. 21349200477020 Mouser Part No 617-21349200477020	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN MALE STRT SINGLE END 2.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	6In Stock	€52.70 €47.17 €45.37 €43.75 View €42.83 €41.87 Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-D 4PIN M/M RA DBL END 1.0M PUR 21349494477010 HARTING 1: €66.98 4In Stock Restricted Availability	Mfr. Part No. 21349494477010 Mouser Part No 617-21349494477010	HARTING	Sensor Cables / Actuator Cables M12-D 4PIN M/M RA DBL END 1.0M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	4In Stock	€66.98 €62.48 €61.13 €59.32 View €56.07 Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR 21349700394015 HARTING 1: €42.84 2In Stock Restricted Availability	Mfr. Part No. 21349700394015 Mouser Part No 617-21349700394015	HARTING	Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	2In Stock	€42.84 €36.21 €35.10 €34.02 View €32.40 Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR 21349700598015 HARTING 1: €52.92 7In Stock Restricted Availability	Mfr. Part No. 21349700598015 Mouser Part No 617-21349700598015	HARTING	Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	7In Stock	€52.92 €46.34 €45.57 €43.98 View €43.65 Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 10.0M PVC 21348700C79100 HARTING 1: €60.38 9In Stock Restricted Availability	Mfr. Part No. 21348700C79100 Mouser Part No 617-21348700C79100	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 10.0M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	9In Stock	€60.38 €52.66 €51.77 €50.18 View €50.16 Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN M/M RA DOUBLE END 2.0M PVC 21349494405020 HARTING 1: €67.11 1In Stock Restricted Availability	Mfr. Part No. 21349494405020 Mouser Part No 617-21349494405020	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN M/M RA DOUBLE END 2.0M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock	€67.11 €57.17 €54.87 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN MALE STRT SINGLE END 10.0m PVC 21348000380100 HARTING 1: €21.12 2In Stock Restricted Availability	Mfr. Part No. 21348000380100 Mouser Part No 617-21348000380100	HARTING	Sensor Cables / Actuator Cables M8 3PIN MALE STRT SINGLE END 10.0m PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	2In Stock	€21.12 €17.49 €16.40 €15.62 View €14.87 €13.94 €13.48	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 0.5M PVC 21348400C79005 HARTING 1: €31.75 1In Stock Restricted Availability	Mfr. Part No. 21348400C79005 Mouser Part No 617-21348400C79005	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 0.5M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock	€31.75 €27.48 €27.10 €24.85 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-B 4PIN M/F STRT DBL END 2.0M PVC 21348889486020 HARTING 1: €54.98 8In Stock Restricted Availability	Mfr. Part No. 21348889486020 Mouser Part No 617-21348889486020	HARTING	Ethernet Cables / Networking Cables M12-B 4PIN M/F STRT DBL END 2.0M PVC Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	8In Stock	€54.98 €49.32 €47.64 €46.04 View €43.65 €42.81 Quote	Min.: 1 Mult.: 1 Restricted Availability
Circular Metric Connectors M12-A 5PIN FML STRT 0.5M RECEPT 21033176505 HARTING 1: €14.35 1,689In Stock Restricted Availability 173On Order	Mfr. Part No. 21033176505 Mouser Part No 617-21033176505	HARTING	Circular Metric Connectors M12-A 5PIN FML STRT 0.5M RECEPT Learn More about HARTING m8 m12 78 connectors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1,689In Stock 173On Order	€14.35 €12.99 €12.95 €11.42 View €10.90 €10.00 Quote	Min.: 1 Mult.: 1 Restricted Availability