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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.
Ethernet Cables / Networking Cables M12-A 8PIN FML STRT SINGLE END 10.0M PVC 21348500882100 HARTING 1: €41.72 9In Stock Restricted Availability	Mfr. Part No. 21348500882100 Mouser Part No 617-21348500882100	HARTING	Ethernet Cables / Networking Cables M12-A 8PIN FML STRT SINGLE END 10.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	9In Stock	€41.72 €35.47 €33.25 €31.66 View €30.15 €29.20	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 10.0M PVC 21348500C79100 HARTING 1: €60.23 1In Stock Restricted Availability	Mfr. Part No. 21348500C79100 Mouser Part No 617-21348500C79100	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 10.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	1In Stock	€60.23 €49.72 €46.60 €44.38 €42.27	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F RA 1.0M PUR 21348687C78010 HARTING 1: €49.28 5In Stock Restricted Availability	Mfr. Part No. 21348687C78010 Mouser Part No 617-21348687C78010	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F RA 1.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	5In Stock	€49.28 €42.01 €37.57 €35.78 View €34.07 €33.38	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F RA 5.0M PUR 21348687C78050 HARTING 1: €59.47 8In Stock Restricted Availability	Mfr. Part No. 21348687C78050 Mouser Part No 617-21348687C78050	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F RA 5.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	8In Stock	€59.47 €50.54 €47.38 €45.12 €43.02	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML RA 1.0M PUR 21348700C78010 HARTING 1: €37.70 2In Stock Restricted Availability	Mfr. Part No. 21348700C78010 Mouser Part No 617-21348700C78010	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML RA 1.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	2In Stock	€37.70 €32.10 €30.68 €29.22 View €27.83 €26.08	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML RA 5.0M PUR 21348700C78050 HARTING 1: €48.95 3In Stock Restricted Availability	Mfr. Part No. 21348700C78050 Mouser Part No 617-21348700C78050	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML RA 5.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	3In Stock	€48.95 €41.62 €39.01 €37.15 View €35.38 €34.78	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 1.0M PVC 21348700C79010 HARTING 1: €35.80 10In Stock Restricted Availability	Mfr. Part No. 21348700C79010 Mouser Part No 617-21348700C79010	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 1.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	10In Stock	€35.80 €30.43 €28.53 €27.16 View €25.87 €24.70	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 5.0M PVC 21348700C79050 HARTING 1: €46.05 10In Stock Restricted Availability	Mfr. Part No. 21348700C79050 Mouser Part No 617-21348700C79050	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 5.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	10In Stock	€46.05 €39.15 €36.70 €34.95 View €33.28 €32.54	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 1.0M PVC 21349292405010 HARTING 1: €53.11 5In Stock Restricted Availability	Mfr. Part No. 21349292405010 Mouser Part No 617-21349292405010	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 1.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	5In Stock	€53.11 €45.61	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DOUBLE END 1.5M PVC 21349292405015 HARTING 1: €57.09 8In Stock Restricted Availability	Mfr. Part No. 21349292405015 Mouser Part No 617-21349292405015	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DOUBLE END 1.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	8In Stock	€57.09 €47.70 €45.15 €42.99 €40.94	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-D 4PIN M/M STRT DBL END 1.0M PUR 21349292477010 HARTING 1: €57.87 9In Stock Restricted Availability	Mfr. Part No. 21349292477010 Mouser Part No 617-21349292477010	HARTING	Sensor Cables / Actuator Cables M12-D 4PIN M/M STRT DBL END 1.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	9In Stock	€57.87 €49.18 €46.10 €43.91 €41.81	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN FML STRT SINGLE END 0.5M PVC 21349300405005 HARTING 1: €36.60 6In Stock Restricted Availability	Mfr. Part No. 21349300405005 Mouser Part No 617-21349300405005	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN FML STRT SINGLE END 0.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	6In Stock	€36.60 €31.11 €29.16 €27.77 View €26.45 €25.30	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN MALE RA SINGLE END 5.0M PVC 21349400405050 HARTING 1: €64.28 9In Stock Restricted Availability	Mfr. Part No. 21349400405050 Mouser Part No 617-21349400405050	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN MALE RA SINGLE END 5.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	9In Stock	€64.28 €58.96 €54.76 €54.70 View €52.47 Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-D 4PIN M/M RA DBL END 1.0M PVC 21349494405010 HARTING 1: €60.69 3In Stock Restricted Availability	Mfr. Part No. 21349494405010 Mouser Part No 617-21349494405010	HARTING	Sensor Cables / Actuator Cables M12-D 4PIN M/M RA DBL END 1.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	3In Stock	€60.69 €51.59 €48.36 €46.05 €43.99	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 1.0M PVC 21349697495010 HARTING 1: €65.37 4In Stock Restricted Availability	Mfr. Part No. 21349697495010 Mouser Part No 617-21349697495010	HARTING	Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 1.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	4In Stock	€65.37 €57.96 €57.38 €56.36 View €54.68 Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC 21349697495020 HARTING 1: €72.67 1In Stock Restricted Availability	Mfr. Part No. 21349697495020 Mouser Part No 617-21349697495020	HARTING	Sensor Cables / Actuator Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	1In Stock	€72.67 €61.12 €60.08 €58.83 View €56.88 Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700394050 HARTING 1: €59.94 5In Stock Restricted Availability	Mfr. Part No. 21349700394050 Mouser Part No 617-21349700394050	HARTING	Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	5In Stock	€59.94 €50.96 €47.76 €45.49 €43.41	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN FML STRT SNGL END 5.0M PVC 21349700495050 HARTING 1: €60.46 2In Stock Restricted Availability	Mfr. Part No. 21349700495050 Mouser Part No 617-21349700495050	HARTING	Ethernet Cables / Networking Cables 7/8" 4PIN FML STRT SNGL END 5.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	2In Stock	€60.46 €51.39 €48.18 €45.88 €43.81	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	Datasheet	7In Stock	€52.92 €43.98 €43.66 €42.74 View €41.78 Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN FML RA SNGL END 3.0M PUR 21349900496030 HARTING 1: €55.84 1In Stock Restricted Availability	Mfr. Part No. 21349900496030 Mouser Part No 617-21349900496030	HARTING	Ethernet Cables / Networking Cables 7/8" 4PIN FML RA SNGL END 3.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	1In Stock	€55.84 €53.40 €52.25 €50.72 View €49.09 €47.82 Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC 21349697597020 HARTING 1: €79.71 4In Stock Restricted Availability	Mfr. Part No. 21349697597020 Mouser Part No 617-21349697597020	HARTING	Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	4In Stock	€79.71 €69.20 €68.89 €67.44 View €64.82 Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700598050 HARTING 1: €77.00 8In Stock Restricted Availability	Mfr. Part No. 21349700598050 Mouser Part No 617-21349700598050	HARTING	Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	8In Stock	€77.00 €65.45 €61.36 €58.43 €57.07	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN MALE RA DBL END 1.0M PUR 21349899598010 HARTING 1: €72.99 8In Stock Restricted Availability	Mfr. Part No. 21349899598010 Mouser Part No 617-21349899598010	HARTING	Ethernet Cables / Networking Cables 7/8" 4PIN MALE RA DBL END 1.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	8In Stock	€72.99 €64.64 €63.92 €61.52 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 10.0M PVC 21348081380100 HARTING 1: €22.25 10On Order	Mfr. Part No. 21348081380100 Mouser Part No 617-21348081380100	HARTING	Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 10.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	10On Order	€22.25 €18.91 €17.72 €16.88 View €16.07 €15.07 €14.68	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 5.0M PUR 21348081489050 HARTING 1: €23.80 16Expected 16/10/2026	Mfr. Part No. 21348081489050 Mouser Part No 617-21348081489050	HARTING	Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 5.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	16Expected 16/10/2026	€23.80 €20.25 €18.98 €17.64 View €16.80 €15.80 €15.37	Min.: 1 Mult.: 1 Restricted Availability