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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 M12A 12PIN 12POLE MALE STRT 2.0M PVC 21348400C79020 HARTING 1: $43.99 99In Stock	Mfr. Part # 21348400C79020 Mouser Part # 617-21348400C79020	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 2.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	99In Stock	$43.99 $39.16 $35.50 $33.28	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 5.0M PVC 21348081380050 HARTING 1: $24.26 228In Stock	Mfr. Part # 21348081380050 Mouser Part # 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	Datasheet	228In Stock	$24.26 $22.83 $21.40 $18.36 View $18.19 $17.33	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 5.0M PVC 21348500C79050 HARTING 1: $60.96 84In Stock	Mfr. Part # 21348500C79050 Mouser Part # 617-21348500C79050	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 5.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	84In Stock	$60.96 $51.81 $48.19 $46.24 View $44.01 $41.29	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 1.0M PVC 21348500C79010 HARTING 1: $50.41 169In Stock	Mfr. Part # 21348500C79010 Mouser Part # 617-21348500C79010	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 1.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	169In Stock	$50.41 $42.34 $40.16 $38.61 $34.14	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 10.0M PVC 21348485882100 HARTING 1: $57.66 86In Stock	Mfr. Part # 21348485882100 Mouser Part # 617-21348485882100	HARTING	Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 10.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	86In Stock	$57.66 $49.00 $45.36 $42.82 View $41.63 $39.04	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 1.5M PVC 21348485882015 HARTING 1: $40.34 1In Stock 10Expected 11/10/2026	Mfr. Part # 21348485882015 Mouser Part # 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	Datasheet	1In Stock 10Expected 11/10/2026	$40.34 $36.56 $36.14 $35.17 View $34.23 $33.77 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT1.0M PUR 21348485C78010 HARTING 1: $70.86 33In Stock	Mfr. Part # 21348485C78010 Mouser Part # 617-21348485C78010	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT1.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	33In Stock	$70.86 $60.24 $56.47 $53.64 View $51.21 $48.20	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 10.0M PUR 21349292477100 HARTING 1: $206.27 10In Stock	Mfr. Part # 21349292477100 Mouser Part # 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	Datasheet	10In Stock	$206.27 $169.75 $164.40 $156.56	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-D 4PIN MALE STRT SINGLE END 1.0M PUR 21349200477010 HARTING 1: $66.53 26In Stock	Mfr. Part # 21349200477010 Mouser Part # 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	Datasheet	26In Stock	$66.53 $51.45 $50.49 $48.09 $45.08	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML STRT 2.0M PUR 21348500C78020 HARTING 1: $60.68 4In Stock	Mfr. Part # 21348500C78020 Mouser Part # 617-21348500C78020	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML STRT 2.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	4In Stock	$60.68 $52.27 $51.55 $48.70 View $47.42 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN MALE STRT SINGLE END 2.0M PUR 21349200477020 HARTING 1: $79.66 6In Stock	Mfr. Part # 21349200477020 Mouser Part # 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	Datasheet	6In Stock	$79.66 $71.31 $68.58 $66.13 View $64.74 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-D 4PIN M/M RA DBL END 1.0M PUR 21349494477010 HARTING 1: $101.24 4In Stock	Mfr. Part # 21349494477010 Mouser Part # 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	Datasheet	4In Stock	$101.24 $94.45 $92.40 $89.67 View $84.76 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 1.5M PVC 21348100380015 HARTING 1: $19.08 2In Stock	Mfr. Part # 21348100380015 Mouser Part # 617-21348100380015	HARTING	Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 1.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	2In Stock	$19.08 $16.08 $15.22 $14.72 View $14.35 $11.43	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-B 4PIN M/F STRT DBL END 10.0M PUR 21348889487100 HARTING 1: $229.57 1In Stock	Mfr. Part # 21348889487100 Mouser Part # 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	Datasheet	1In Stock	$229.57 $211.59	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN M/F STRT/RA DOUBLE END 10.0M PUR 21348083388100 HARTING 1: $45.27 3In Stock	Mfr. Part # 21348083388100 Mouser Part # 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	Datasheet	3In Stock	$45.27 $38.99 $38.36 $37.26 View $35.43 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN FML RT ANGL SINGLE END 1.0M PUR 21348300388010 HARTING 1: $17.60 9In Stock	Mfr. Part # 21348300388010 Mouser Part # 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	Datasheet	9In Stock	$17.60 $14.73 $14.13 $13.52 View $12.83 $12.08 $11.75 $11.45	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN FML STRT SNGL END 5.0M PUR 21349700496050 HARTING 1: $101.65 10In Stock	Mfr. Part # 21349700496050 Mouser Part # 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	Datasheet	10In Stock	$101.65 $88.21 $79.39 $75.61 $72.01	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR 21349700394015 HARTING 1: $64.75 2In Stock	Mfr. Part # 21349700394015 Mouser Part # 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	Datasheet	2In Stock	$64.75 $54.74 $53.05 $51.43 View $48.97 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR 21349700598015 HARTING 1: $80.00 7In Stock	Mfr. Part # 21349700598015 Mouser Part # 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	$80.00 $70.04 $68.89 $66.48 View Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 10.0M PVC 21348700C79100 HARTING 1: $91.27 9In Stock	Mfr. Part # 21348700C79100 Mouser Part # 617-21348700C79100	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 10.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	9In Stock	$91.27 $79.60 $78.26 $75.86 View $75.83 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN M/M RA DOUBLE END 2.0M PVC 21349494405020 HARTING 1: $101.44 1In Stock	Mfr. Part # 21349494405020 Mouser Part # 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	Datasheet	1In Stock	$101.44 $86.42 $82.94 View Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN MALE STRT SINGLE END 10.0m PVC 21348000380100 HARTING 1: $31.93 2In Stock	Mfr. Part # 21348000380100 Mouser Part # 617-21348000380100	HARTING	Sensor Cables / Actuator Cables M8 3PIN MALE STRT SINGLE END 10.0m PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	2In Stock	$31.93 $26.44 $24.79 $23.61 View $22.48 $21.07 $20.07	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 0.5M PVC 21348400C79005 HARTING 1: $48.00 1In Stock	Mfr. Part # 21348400C79005 Mouser Part # 617-21348400C79005	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 0.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	1In Stock	$48.00 $41.54 $40.96 $37.57 View Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-B 4PIN M/F STRT DBL END 2.0M PVC 21348889486020 HARTING 1: $83.11 8In Stock	Mfr. Part # 21348889486020 Mouser Part # 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	Datasheet	8In Stock	$83.11 $74.56 $72.01 $69.59 View $65.98 Quote	Min.: 1 Mult.: 1
Circular Metric Connectors M12-A 5PIN FML STRT 0.5M RECEPT 21033176505 HARTING 1: $23.00 1,691In Stock 173On Order	Mfr. Part # 21033176505 Mouser Part # 617-21033176505	HARTING	Circular Metric Connectors M12-A 5PIN FML STRT 0.5M RECEPT Learn More about HARTING m8 m12 78 connectors	Datasheet	1,691In Stock 173On Order	$23.00 $20.72 $19.32 $17.15 View $16.61 $15.57 Quote	Min.: 1 Mult.: 1