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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.
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
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DOUBLE END 7.5M PVC 21349292405075 HARTING 1: $106.21 9In Stock	Mfr. Part No. 21349292405075 Mouser Part No 617-21349292405075	HARTING	Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DOUBLE END 7.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	9In Stock	$106.21 $90.29 $87.38 $83.22 $79.25	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-D 4PIN M/M STRT DBL END 1.0M PUR 21349292477010 HARTING 1: $67.28 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	$67.28 $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: $74.47 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	$74.47 $68.57 $66.85 $65.95 View $65.40 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 $70.11 $69.58 $68.41 View $67.58 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700394050 HARTING 1: $69.68 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	$69.68 $59.22 $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" 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 $82.95 $80.46 $79.77 View $78.13 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700598050 HARTING 1: $89.51 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	$89.51 $76.11 $74.08 $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: $82.82 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	$82.82 $74.19 $73.33 View Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-D 4PIN M/M RA DOUBLE END 0.5M PVC 21349494405005 HARTING 1: $70.37 30On Order	Mfr. Part No. 21349494405005 Mouser Part No 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	30On Order On Order Ship Dates Mfr. No: 21349494405005 Stock: 0 On Order: 10 Pending 20 Expected 30/10/2026 Factory Lead Time: 16 Weeks	$70.37 $59.82 $56.86 $54.28 $51.69	Min.: 1 Mult.: 1
Circular Metric Connectors M12-A 3PIN FML STRT 0.5M RECEPT 21033176305 HARTING 1: $13.03 1On Order	Mfr. Part No. 21033176305 Mouser Part No 617-21033176305	HARTING	Circular Metric Connectors M12-A 3PIN FML STRT 0.5M RECEPT Learn More about HARTING m8 m12 78 connectors	Datasheet	1On Order	$13.03 $12.11 $11.55 $11.00 View $10.47 $9.82 $9.35 $8.90	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 1.0M PVC 21348081380010 HARTING 1: $14.50 61On Order	Mfr. Part No. 21348081380010 Mouser Part No 617-21348081380010	HARTING	Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 1.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	61On Order On Order Ship Dates Mfr. No: 21348081380010 Stock: 0 On Order: 34 Expected 23/11/2026 27 Expected 28/12/2026 Factory Lead Time: 16 Weeks	$14.50 $12.33 $11.55 $11.00 View $10.48 $9.82 $9.35 $8.90	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 0.5M PVC 21348081481005 HARTING 1: $18.73 16On Order	Mfr. Part No. 21348081481005 Mouser Part No 617-21348081481005	HARTING	Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 0.5M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	16On Order	$18.73 $15.91 $14.92 $14.20 View $13.53 $12.68 $12.07	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 5.0M PUR 21348081489050 HARTING 1: $22.54 16Expected 30/10/2026	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 30/10/2026	$22.54 $20.02 $18.98 $16.13 View $15.30 $14.56	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN M/F STRT/RA DOUBLE END 1.0M PVC 21348083380010 HARTING 1: $16.60 5On Order	Mfr. Part No. 21348083380010 Mouser Part No 617-21348083380010	HARTING	Sensor Cables / Actuator Cables M8 3PIN M/F STRT/RA DOUBLE END 1.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	5On Order	$16.60 $15.91 $13.22 $12.59 View $11.99 $11.24 $10.70	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 1.0M PUR 21348100388010 HARTING 1: $12.65 10Expected 23/11/2026	Mfr. Part No. 21348100388010 Mouser Part No 617-21348100388010	HARTING	Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 1.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	10Expected 23/11/2026	$12.65 $10.74 $10.07 $9.59 View $9.13 $8.56 $8.15 $7.76	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT1.0M PVC 21348485C79010 HARTING 1: $53.46 10Expected 23/11/2026	Mfr. Part No. 21348485C79010 Mouser Part No 617-21348485C79010	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT1.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	10Expected 23/11/2026	$53.46 $44.53 $41.75 $39.75 View $37.86 $35.51	Min.: 1 Mult.: 1