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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 (USD) 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: $48.51 9In Stock	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	$48.51 $41.24 $38.66 $36.81 View $35.06 $32.87	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 10.0M PVC 21348500C79100 HARTING 1: $70.03 1In Stock	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	$70.03 $57.81 $54.19 $51.61 $49.15	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F RA 1.0M PUR 21348687C78010 HARTING 1: $57.30 5In Stock	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	$57.30 $48.85 $43.69 $41.61 View $39.62 $37.32	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F RA 5.0M PUR 21348687C78050 HARTING 1: $69.15 8In Stock	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	$69.15 $58.77 $55.09 $52.47 $49.97	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML RA 1.0M PUR 21348700C78010 HARTING 1: $43.84 2In Stock	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	$43.84 $37.32 $35.68 $33.98 View $32.36 $30.33	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML RA 5.0M PUR 21348700C78050 HARTING 1: $56.92 3In Stock	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	$56.92 $48.39 $45.36 $43.20 View $41.14 $38.88	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 1.0M PVC 21348700C79010 HARTING 1: $41.63 10In Stock	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	$41.63 $35.38 $33.17 $31.58 View $30.08 $28.20	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 5.0M PVC 21348700C79050 HARTING 1: $53.55 10In Stock	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	$53.55 $45.52 $42.67 $40.64 View $38.70 $36.37	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 1.0M PVC 21349292405010 HARTING 1: $61.76 5In Stock	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	$61.76 $52.64 $49.94 $47.56 $45.29	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DOUBLE END 1.5M PVC 21349292405015 HARTING 1: $66.38 8In Stock	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	$66.38 $55.47 $52.50 $49.99 $47.61	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-D 4PIN M/M STRT DBL END 1.0M PUR 21349292477010 HARTING 1: $67.29 9In Stock	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	$67.29 $57.19 $53.61 $51.06 $48.62	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN FML STRT SINGLE END 0.5M PVC 21349300405005 HARTING 1: $42.56 6In Stock	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	$42.56 $36.17 $33.91 $32.29 View $30.75 $28.83	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN MALE RA SINGLE END 5.0M PVC 21349400405050 HARTING 1: $74.74 9In Stock	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	$74.74 $68.56 $63.67 $63.61 View $61.01 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-D 4PIN M/M RA DBL END 1.0M PVC 21349494405010 HARTING 1: $70.57 3In Stock	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	$70.57 $59.99 $56.23 $53.55 $51.00	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 1.0M PVC 21349697495010 HARTING 1: $76.01 4In Stock	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	$76.01 $67.39 $66.72 $65.53 View $63.58 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC 21349697495020 HARTING 1: $84.50 1In Stock	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	$84.50 $71.07 $69.86 $68.41 View $66.14 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700394050 HARTING 1: $69.70 5In Stock	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	$69.70 $59.25 $55.54 $52.89 $50.37	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN FML STRT SNGL END 5.0M PVC 21349700495050 HARTING 1: $70.30 2In Stock	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	$70.30 $59.76 $56.02 $53.35 $50.81	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR 21349700598015 HARTING 1: $61.54 7In Stock	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	$61.54 $51.14 $50.77 $49.70 View Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN FML RA SNGL END 3.0M PUR 21349900496030 HARTING 1: $64.93 1In Stock	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	$64.93 $62.09 $60.75 $58.98 View $57.08 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC 21349697597020 HARTING 1: $92.69 4In Stock	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	$92.69 $80.46 $80.10 $78.42 View $75.37 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700598050 HARTING 1: $89.53 8In Stock	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	$89.53 $76.11 $71.35 $67.94 $64.71	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN MALE RA DBL END 1.0M PUR 21349899598010 HARTING 1: $84.87 8In Stock	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	$84.87 $75.16 $74.32 $71.54 View Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 10.0M PVC 21348081380100 HARTING 1: $25.87 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	$25.87 $21.99 $20.61 $19.63 View $18.69 $17.52 $16.68	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 5.0M PUR 21348081489050 HARTING 1: $27.67 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	$27.67 $23.55 $22.07 $20.51 View $19.54 $18.37 $17.87	Min.: 1 Mult.: 1