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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 (PEN) 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: S/ 73.92 172In 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	172In Stock	S/ 73.92 S/ 66.83 S/ 64.07 S/ 57.22 View S/ 55.35 S/ 54.46 S/ 51.89	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 5.0M PVC 21348500C79050 HARTING 1: S/ 182.52 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	S/ 182.52 S/ 155.12 S/ 145.42 S/ 138.46 View S/ 131.88 S/ 123.63	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML STRT 1.0M PVC 21348500C79010 HARTING 1: S/ 150.95 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	S/ 150.95 S/ 128.26 S/ 120.24 S/ 118.60 View S/ 109.07 S/ 102.22	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 2.0M PVC 21348400C79020 HARTING 1: S/ 129.08 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	S/ 129.08 S/ 114.91 S/ 112.65 S/ 106.30 S/ 99.65	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 1.5M PVC 21348485882015 HARTING 1: S/ 120.78 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	S/ 120.78 S/ 109.46 S/ 108.21 S/ 105.29 View S/ 102.49 S/ 101.13 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN MALE STRT SINGLE END 0.5M PUR 21349200477005 HARTING 1: S/ 192.83 10In Stock	Mfr. Part # 21349200477005 Mouser Part # 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	Datasheet	10In Stock	S/ 192.83 S/ 164.42 S/ 148.89 S/ 141.80 View S/ 135.03 S/ 126.58	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-D 4PIN MALE STRT SINGLE END 1.0M PUR 21349200477010 HARTING 1: S/ 199.22 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	S/ 199.22 S/ 152.00 S/ 151.18 S/ 143.98 S/ 134.99	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT1.0M PUR 21348485C78010 HARTING 1: S/ 212.18 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	S/ 212.18 S/ 180.38 S/ 169.09 S/ 160.49 View S/ 153.33 S/ 144.33	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 10.0M PUR 21349292477100 HARTING 1: S/ 617.66 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	S/ 617.66 S/ 534.01 S/ 492.25 S/ 468.77	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 1.5M PVC 21348100380015 HARTING 1: S/ 57.14 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	S/ 57.14 S/ 48.15 S/ 45.58 S/ 44.06 View S/ 42.97 S/ 34.22	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-B 4PIN M/F STRT DBL END 10.0M PUR 21348889487100 HARTING 1: S/ 687.38 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	S/ 687.38 S/ 633.54	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR 21349700394015 HARTING 1: S/ 193.89 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	S/ 193.89 S/ 163.91 S/ 158.85 S/ 153.99 View S/ 146.63 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 1.5M PUR 21349700598015 HARTING 1: S/ 239.54 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	S/ 239.54 S/ 209.73 S/ 206.26 S/ 199.06 View Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN M/F STRT/RA DOUBLE END 10.0M PUR 21348083388100 HARTING 1: S/ 135.54 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	S/ 135.54 S/ 116.74 S/ 114.87 S/ 111.56 View S/ 106.07 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN FML RT ANGL SINGLE END 1.0M PUR 21348300388010 HARTING 1: S/ 52.70 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	S/ 52.70 S/ 44.10 S/ 42.31 S/ 40.48 View S/ 38.42 S/ 36.16 S/ 35.19 S/ 34.29	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 4PIN FML STRT SNGL END 5.0M PUR 21349700496050 HARTING 1: S/ 304.35 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	S/ 304.35 S/ 264.11 S/ 237.71 S/ 226.39 S/ 215.61	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN MALE STRT SINGLE END 10.0m PVC 21348000380100 HARTING 1: S/ 95.60 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	S/ 95.60 S/ 79.17 S/ 74.23 S/ 70.69 View S/ 67.30 S/ 63.10 S/ 60.10	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 0.5M PVC 21348400C79005 HARTING 1: S/ 143.71 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	S/ 143.71 S/ 124.37 S/ 122.65 S/ 112.49 View Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-B 4PIN M/F STRT DBL END 2.0M PVC 21348889486020 HARTING 1: S/ 248.85 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	S/ 248.85 S/ 223.23 S/ 215.61 S/ 208.37 View S/ 197.54 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE FML RA 10.0M PVC 21348700C79100 HARTING 1: S/ 273.29 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	S/ 273.29 S/ 238.34 S/ 234.33 S/ 227.13 View S/ 227.05 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN M/M RA DOUBLE END 2.0M PVC 21349494405020 HARTING 1: S/ 303.73 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	S/ 303.73 S/ 258.77 S/ 248.34 View Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML STRT 2.0M PUR 21348500C78020 HARTING 1: S/ 181.70 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	S/ 181.70 S/ 156.52 S/ 154.34 S/ 145.81 View S/ 142.00 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN MALE STRT SINGLE END 2.0M PUR 21349200477020 HARTING 1: S/ 238.53 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	S/ 238.53 S/ 213.50 S/ 205.33 S/ 198.01 View S/ 193.85 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-D 4PIN M/M RA DBL END 1.0M PUR 21349494477010 HARTING 1: S/ 303.15 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	S/ 303.15 S/ 282.79 S/ 276.68 S/ 268.50 View S/ 253.79 Quote	Min.: 1 Mult.: 1
Circular Metric Connectors M12-A 5PIN FML STRT 0.5M RECEPT 21033176505 HARTING 1: S/ 64.97 1,689In 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	1,689In Stock 173On Order	S/ 64.97 S/ 58.82 S/ 58.62 S/ 51.69 View S/ 49.36 S/ 49.32 S/ 45.27 Quote	Min.: 1 Mult.: 1