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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 (EUR) 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: 46,05 € 10In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	10In Stock	46,05 € 39,15 € 36,70 € 34,95 € View 33,28 € 32,54 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DBL END 1.0M PVC 21349292405010 HARTING 1: 53,11 € 5In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	5In Stock	53,11 € 45,61 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DOUBLE END 1.5M PVC 21349292405015 HARTING 1: 57,09 € 8In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	8In Stock	57,09 € 47,70 € 45,15 € 42,99 € 40,94 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN M/M STRT DOUBLE END 7.5M PVC 21349292405075 HARTING 1: 91,34 € 9In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	9In Stock	91,34 € 77,65 € 75,15 € 71,57 € 68,16 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-D 4PIN M/M STRT DBL END 1.0M PUR 21349292477010 HARTING 1: 57,86 € 9In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	9In Stock	57,86 € 49,18 € 46,10 € 43,91 € 41,81 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN FML STRT SINGLE END 0.5M PVC 21349300405005 HARTING 1: 36,60 € 6In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	6In Stock	36,60 € 31,11 € 29,16 € 27,77 € View 26,45 € 25,30 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN MALE RA SINGLE END 5.0M PVC 21349400405050 HARTING 1: 64,28 € 9In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	9In Stock	64,28 € 58,96 € 54,76 € 54,70 € View 52,47 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-D 4PIN M/M RA DBL END 1.0M PVC 21349494405010 HARTING 1: 60,69 € 3In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	3In Stock	60,69 € 51,59 € 48,36 € 46,05 € 43,99 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 1.0M PVC 21349697495010 HARTING 1: 64,04 € 4In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	4In Stock	64,04 € 58,97 € 57,49 € 56,72 € View 56,24 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC 21349697495020 HARTING 1: 72,67 € 1In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock	72,67 € 60,29 € 59,84 € 58,83 € View 58,12 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700394050 HARTING 1: 59,92 € 5In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	5In Stock	59,92 € 50,93 € 47,76 € 45,49 € 43,41 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN FML STRT SNGL END 5.0M PVC 21349700495050 HARTING 1: 60,46 € 2In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	2In Stock	60,46 € 51,39 € 48,18 € 45,88 € 43,81 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN FML RA SNGL END 3.0M PUR 21349900496030 HARTING 1: 55,84 € 1In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock	55,84 € 53,40 € 52,25 € 50,72 € View 49,09 € 47,82 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN M/F STRT DBL END 2.0M PVC 21349697597020 HARTING 1: 79,71 € 4In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	4In Stock	79,71 € 71,34 € 69,20 € 68,60 € View 67,19 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 2PIN FML STRT SNGL END 5.0M PUR 21349700598050 HARTING 1: 76,98 € 8In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	8In Stock	76,98 € 65,45 € 63,71 € 58,43 € 57,07 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables 7/8" 4PIN MALE RA DBL END 1.0M PUR 21349899598010 HARTING 1: 71,23 € 8In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	8In Stock	71,23 € 63,80 € 63,06 € View Quote	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-D 4PIN M/M RA DOUBLE END 0.5M PVC 21349494405005 HARTING 1: 60,52 € 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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	30On Order On Order Ship Dates Mfr. No: 21349494405005 Stock: 0 On Order: 10 Pending 20 Expected 10/30/2026 Factory Lead Time: 16 Weeks	60,52 € 51,45 € 48,90 € 46,68 € 44,45 €	Min.: 1 Mult.: 1 Restricted Availability
Circular Metric Connectors M12-A 3PIN FML STRT 0.5M RECEPT 21033176305 HARTING 1: 11,21 € 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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1On Order	11,21 € 10,41 € 9,93 € 9,46 € View 9,00 € 8,45 € 8,04 € 7,79 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 1.0M PVC 21348081380010 HARTING 1: 12,47 € 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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	61On Order On Order Ship Dates Mfr. No: 21348081380010 Stock: 0 On Order: 34 Expected 11/23/2026 27 Expected 12/28/2026 Factory Lead Time: 16 Weeks	12,47 € 10,60 € 9,93 € 9,46 € View 9,01 € 8,98 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 10.0M PVC 21348081380100 HARTING 1: 22,25 € 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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	10On Order	22,25 € 18,91 € 17,72 € 16,88 € View 16,07 € 15,07 € 14,68 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 0.5M PVC 21348081481005 HARTING 1: 16,11 € 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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	16On Order	16,11 € 13,68 € 12,83 € 12,21 € View 11,64 € 10,90 € 10,38 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 5.0M PUR 21348081489050 HARTING 1: 19,38 € 16Expected 10/30/2026	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	16Expected 10/30/2026	19,38 € 17,22 € 16,32 € 13,87 € View 13,16 € 12,52 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN M/F STRT/RA DOUBLE END 1.0M PVC 21348083380010 HARTING 1: 14,28 € 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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	5On Order	14,28 € 13,68 € 11,37 € 10,83 € View 10,31 € 9,67 € 9,20 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 1.0M PUR 21348100388010 HARTING 1: 10,88 € 10Expected 11/23/2026	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	10Expected 11/23/2026	10,88 € 9,24 € 8,66 € 8,25 € View 7,85 € 7,36 € 7,01 € 6,71 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT1.0M PVC 21348485C79010 HARTING 1: 45,98 € 10Expected 11/23/2026	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	10Expected 11/23/2026	45,98 € 38,30 € 35,91 € 34,19 € View 32,56 € 31,76 €	Min.: 1 Mult.: 1 Restricted Availability