Ethernet Cables / Networking Cables

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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.	Connector End A	Connector End A Pin Count	Connector End B	Gender	Cable Length	Jacket Color	IP Rating	Packaging
Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 2.0M PVC 21348400C79020 HARTING 1: S/ 128.14 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/ 128.14 S/ 114.05 S/ 111.01 S/ 106.30 S/ 99.65	Min.: 1 Mult.: 1	M12	12 Position	No Connector	Male	2 m (6.562 ft)	Gray	IP67
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 10.0M PUR 21349292477100 HARTING 1: S/ 617.62 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/ 617.62 S/ 508.28 S/ 492.25 S/ 468.77	Min.: 1 Mult.: 1								Bulk
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
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
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 M12-D 4PIN M/M RA DOUBLE END 0.5M PVC 21349494405005 HARTING 1: S/ 273.92 20In Stock 10Expected 11/16/2026	Mfr. Part # 21349494405005 Mouser Part # 617-21349494405005	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN M/M RA DOUBLE END 0.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	20In Stock 10Expected 11/16/2026	S/ 273.92 S/ 232.85 S/ 221.33 S/ 211.28 S/ 201.20	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
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
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
Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 2.0M PVC 21348485882020 HARTING 1: S/ 113.62 59In Stock 205On Order	Mfr. Part # 21348485882020 Mouser Part # 617-21348485882020	HARTING	Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 2.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	59In Stock 205On Order On Order Ship Dates Mfr. #: 21348485882020 Stock: 59 Can Ship Immediately On Order: 60 Expected 11/10/2026 145 Expected 2/15/2027 Factory Lead-Time: 16 Weeks	S/ 113.62 S/ 96.53 S/ 89.53 S/ 85.79 View S/ 84.47 S/ 80.15	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 10.0M PVC 21348485882100 HARTING 1: S/ 172.63 85In 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	85In Stock	S/ 172.63 S/ 163.45 S/ 151.73 S/ 142.15 View S/ 136.39 S/ 131.64 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F STRT5.0M PUR 21348485C78050 HARTING 1: S/ 237.21 1In Stock	Mfr. Part # 21348485C78050 Mouser Part # 617-21348485C78050	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F STRT5.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	1In Stock	S/ 237.21 S/ 214.67 S/ 213.00 S/ 197.93 View S/ 187.89 S/ 184.70 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F STRT2.0M PVC 21348485C79020 HARTING 1: S/ 206.77 6In Stock	Mfr. Part # 21348485C79020 Mouser Part # 617-21348485C79020	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F STRT2.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	6In Stock	S/ 206.77 S/ 175.75 S/ 164.77 S/ 156.87 View S/ 149.39 S/ 140.32	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-A 8PIN FML STRT SINGLE END 2.0M PVC 21348500882020 HARTING 1: S/ 96.73 5In Stock	Mfr. Part # 21348500882020 Mouser Part # 617-21348500882020	HARTING	Ethernet Cables / Networking Cables M12-A 8PIN FML STRT SINGLE END 2.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	5In Stock	S/ 96.73 S/ 82.17 S/ 77.03 S/ 73.33 View S/ 69.87 S/ 65.47 S/ 62.36	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-A 8PIN FML STRT SINGLE END 7.5M PVC 21348500882075 HARTING 1: S/ 169.91 6In Stock	Mfr. Part # 21348500882075 Mouser Part # 617-21348500882075	HARTING	Ethernet Cables / Networking Cables M12-A 8PIN FML STRT SINGLE END 7.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	6In Stock	S/ 169.91 S/ 149.04 S/ 144.96 S/ 130.67 View S/ 128.80 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML STRT 5.0M PUR 21348500C78050 HARTING 1: S/ 220.78 5In Stock	Mfr. Part # 21348500C78050 Mouser Part # 617-21348500C78050	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE FML STRT 5.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	5In Stock	S/ 220.78 S/ 187.70 S/ 175.94 S/ 167.53 View S/ 159.55 S/ 150.76	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN MALE RA SINGLE END 1.0M PVC 21349400405010 HARTING 1: S/ 195.60 5In Stock	Mfr. Part # 21349400405010 Mouser Part # 617-21349400405010	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN MALE RA SINGLE END 1.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	5In Stock	S/ 195.60 S/ 166.79 S/ 150.83 S/ 143.63 View S/ 136.78 S/ 128.26	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 1.5M PVC 21348400C79015 HARTING 1: S/ 153.40 4In Stock	Mfr. Part # 21348400C79015 Mouser Part # 617-21348400C79015	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 1.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	4In Stock	S/ 153.40 S/ 127.60 S/ 127.56 S/ 125.26 View S/ 118.33 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 7.5M PVC 21348400C79075 HARTING 1: S/ 224.40 2In Stock	Mfr. Part # 21348400C79075 Mouser Part # 617-21348400C79075	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 7.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	2In Stock	S/ 224.40 S/ 203.85 S/ 196.69 S/ 186.45 View S/ 182.40 S/ 176.17 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 10.0M PVC 21348400C79100 HARTING 1: S/ 256.05 1In Stock	Mfr. Part # 21348400C79100 Mouser Part # 617-21348400C79100	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE MALE STRT 10.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	1In Stock	S/ 256.05 S/ 212.80 S/ 212.06 S/ 207.39 View Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F STRT2.0M PUR 21348485C78020 HARTING 1: S/ 229.58 14In Stock	Mfr. Part # 21348485C78020 Mouser Part # 617-21348485C78020	HARTING	Ethernet Cables / Networking Cables M12A 12PIN 12POLE DBL M/F STRT2.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	14In Stock	S/ 229.58 S/ 195.13 S/ 179.33 S/ 170.76 View S/ 162.63 S/ 153.95	Min.: 1 Mult.: 1

M8, M12, & 7/8'' Circular Connectors

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M8, M12, & 7/8'' Circular Connectors

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