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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: $48.52 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	$48.52 $41.25 $38.67 $36.82 View $35.06 $33.96	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 10.0M PVC 21348500C79100 HARTING 1: $70.05 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	$70.05 $57.82 $54.20 $51.61 $49.16	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F RA 1.0M PUR 21348687C78010 HARTING 1: $57.31 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	$57.31 $48.86 $43.69 $41.61 View $39.62 $38.82	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F RA 5.0M PUR 21348687C78050 HARTING 1: $69.16 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	$69.16 $58.78 $55.10 $52.47 $50.03	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML RA 1.0M PUR 21348700C78010 HARTING 1: $43.85 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	$43.85 $37.33 $35.68 $33.98 View $32.37 $30.33	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML RA 5.0M PUR 21348700C78050 HARTING 1: $56.93 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	$56.93 $48.40 $45.37 $43.21 View $41.15 $40.45	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 1.0M PVC 21348700C79010 HARTING 1: $41.64 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	$41.64 $35.39 $33.18 $31.59 View $30.09 $28.73	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 5.0M PVC 21348700C79050 HARTING 1: $53.56 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	$53.56 $45.53 $42.68 $40.65 View $38.70 $37.84	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 1.0M PVC 21349292405010 HARTING 1: $61.77 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	$61.77 $53.04	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DOUBLE END 1.5M PVC 21349292405015 HARTING 1: $66.40 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	$66.40 $55.48 $52.51 $50.00 $47.61	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-D 4PIN M/M STRT DBL END 1.0M PUR 21349292477010 HARTING 1: $67.30 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	$67.30 $57.20 $53.61 $51.07 $48.63	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN FML STRT SINGLE END 0.5M PVC 21349300405005 HARTING 1: $42.57 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	$42.57 $36.18 $33.91 $32.30 View $30.76 $29.42	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN MALE RA SINGLE END 5.0M PVC 21349400405050 HARTING 1: $74.76 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	$74.76 $68.57 $63.69 $63.62 View $61.02 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-D 4PIN M/M RA DBL END 1.0M PVC 21349494405010 HARTING 1: $70.58 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	$70.58 $60.00 $56.24 $53.56 $51.16	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 1.0M PVC 21349697495010 HARTING 1: $76.03 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	$76.03 $67.41 $66.73 $65.55 View $63.59 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC 21349697495020 HARTING 1: $84.52 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	$84.52 $71.08 $69.87 $68.42 View $66.15 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700394050 HARTING 1: $69.71 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	$69.71 $59.27 $55.54 $52.90 $50.49	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN FML STRT SNGL END 5.0M PVC 21349700495050 HARTING 1: $70.31 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	$70.31 $59.77 $56.03 $53.36 $50.95	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR 21349700598015 HARTING 1: $61.55 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	$61.55 $51.15 $50.78 $49.71 View $48.59 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN FML RA SNGL END 3.0M PUR 21349900496030 HARTING 1: $64.94 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	$64.94 $62.10 $60.77 $58.99 View $57.09 $55.61 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC 21349697597020 HARTING 1: $92.70 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	$92.70 $80.48 $80.12 $78.43 View $75.39 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700598050 HARTING 1: $89.55 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	$89.55 $76.12 $71.36 $67.95 $66.37	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN MALE RA DBL END 1.0M PUR 21349899598010 HARTING 1: $84.89 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	$84.89 $75.18 $74.34 $71.55 View Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 10.0M PVC 21348081380100 HARTING 1: $25.88 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	$25.88 $21.99 $20.61 $19.63 View $18.69 $17.53 $17.07	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 5.0M PUR 21348081489050 HARTING 1: $27.68 16Expected 2026/10/19	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 2026/10/19	$27.68 $23.55 $22.07 $20.52 View $19.54 $18.38 $17.88	Min.: 1 Mult.: 1