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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.
Circular Metric Connectors M12-A 8PIN FML STRT 0.5M RECEPT 21033176805 HARTING 1: 23,99 € 132In Stock Restricted Availability	Mfr. Part No. 21033176805 Mouser Part No 617-21033176805	HARTING	Circular Metric Connectors M12-A 8PIN 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	132In Stock	23,99 € 20,40 € 19,13 € 18,21 € View 17,33 € 16,25 € 15,94 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN MALE STRT SINGLE END 1.0M PVC 21348000481010 HARTING 1: 12,34 € 404In Stock Restricted Availability	Mfr. Part No. 21348000481010 Mouser Part No 617-21348000481010	HARTING	Sensor Cables / Actuator Cables M8 4PIN MALE STRT SINGLE 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	404In Stock	12,34 € 10,17 € 9,72 € 9,37 € View 8,83 € 8,22 € 7,74 € 7,48 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-A 8PIN MALE STRT SINGLE END 1.0M PVC 21348400882010 HARTING 1: 17,76 € 145In Stock Restricted Availability	Mfr. Part No. 21348400882010 Mouser Part No 617-21348400882010	HARTING	Sensor Cables / Actuator Cables M12-A 8PIN MALE STRT SINGLE 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	145In Stock	17,76 € 15,50 € 14,76 € 13,79 € View 13,67 € 12,32 € 12,03 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-A 8PIN MALE STRT SINGLE END 5.0M PVC 21348400882050 HARTING 1: 27,55 € 103In Stock Restricted Availability	Mfr. Part No. 21348400882050 Mouser Part No 617-21348400882050	HARTING	Sensor Cables / Actuator Cables M12-A 8PIN MALE STRT 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	103In Stock	27,55 € 23,93 € 22,44 € 21,36 € View 20,98 € 19,07 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE MALE STRT 1.0M PVC 21348400C79010 HARTING 1: 28,23 € 204In Stock Restricted Availability 62On Order	Mfr. Part No. 21348400C79010 Mouser Part No 617-21348400C79010	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE MALE STRT 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	204In Stock 62On Order On Order Ship Dates Mfr. No: 21348400C79010 Stock: 204 Can Dispatch Immediately On Order: 1 Pending 61 Expected 09/11/2026 Factory Lead Time: 5 Weeks	28,23 € 23,99 € 22,49 € 21,96 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE MALE STRT 5.0M PVC 21348400C79050 HARTING 1: 39,87 € 146In Stock Restricted Availability 997On Order	Mfr. Part No. 21348400C79050 Mouser Part No 617-21348400C79050	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE MALE STRT 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	146In Stock 997On Order On Order Ship Dates Mfr. No: 21348400C79050 Stock: 146 Can Dispatch Immediately On Order: 271 Expected 03/11/2026 726 TBD Factory Lead Time: 6 Weeks	39,87 € 34,86 € 31,02 € 29,54 € View 28,43 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT5.0M PVC 21348485C79050 HARTING 1: 49,86 € 109In Stock Restricted Availability 210On Order	Mfr. Part No. 21348485C79050 Mouser Part No 617-21348485C79050	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT5.0M 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	109In Stock 210On Order On Order Ship Dates Mfr. No: 21348485C79050 Stock: 109 Can Dispatch Immediately On Order: 101 Expected 10/11/2026 109 TBD Factory Lead Time: 6 Weeks	49,86 € 42,39 € 39,74 € 37,84 € View 36,03 € 35,23 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-A 8PIN FML STRT SINGLE END 1.0M PVC 21348500882010 HARTING 1: 17,51 € 260In Stock Restricted Availability	Mfr. Part No. 21348500882010 Mouser Part No 617-21348500882010	HARTING	Sensor Cables / Actuator Cables M12-A 8PIN FML STRT SINGLE 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	260In Stock	17,51 € 14,88 € 13,94 € 13,28 € 13,01 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-A 8PIN FML STRT SINGLE END 5.0M PVC 21348500882050 HARTING 1: 27,24 € 234In Stock Restricted Availability	Mfr. Part No. 21348500882050 Mouser Part No 617-21348500882050	HARTING	Sensor Cables / Actuator Cables M12-A 8PIN FML STRT 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	234In Stock	27,24 € 25,09 € 22,27 € 21,12 € 20,27 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 10.0M PUR 21348081388100 HARTING 1: 29,10 € 57In Stock Restricted Availability 100On Order	Mfr. Part No. 21348081388100 Mouser Part No 617-21348081388100	HARTING	Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 10.0M 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	57In Stock 100On Order	29,10 € 24,73 € 22,94 € 21,03 € 19,71 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-A 8PIN M/F ST DOUBLE END 1.0M PVC 21348485882010 HARTING 1: 23,47 € 177In Stock Restricted Availability 122Expected 02/11/2026	Mfr. Part No. 21348485882010 Mouser Part No 617-21348485882010	HARTING	Sensor Cables / Actuator Cables M12-A 8PIN M/F ST 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	177In Stock 122Expected 02/11/2026	23,47 € 19,95 € 18,71 € 17,81 € View 16,96 € 16,69 €	Min.: 1 Mult.: 1 Restricted Availability
Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 2.0M PVC 21348485882020 HARTING 1: 25,10 € 115In Stock Restricted Availability 60Expected 10/11/2026	Mfr. Part No. 21348485882020 Mouser Part No 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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	115In Stock 60Expected 10/11/2026	25,10 € 21,33 € 20,00 € 19,33 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-A 8PIN M/F ST DOUBLE END 5.0M PVC 21348485882050 HARTING 1: 30,07 € 370In Stock Restricted Availability	Mfr. Part No. 21348485882050 Mouser Part No 617-21348485882050	HARTING	Sensor Cables / Actuator Cables M12-A 8PIN M/F ST DOUBLE 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	370In Stock	30,07 € 25,56 € 23,96 € 23,95 € View 23,32 € 22,43 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STR10.0M PVC 21348485C79100 HARTING 1: 64,31 € 160In Stock Restricted Availability	Mfr. Part No. 21348485C79100 Mouser Part No 617-21348485C79100	HARTING	Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STR10.0M 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	160In Stock	64,31 € 54,66 € 52,18 € Quote Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGL END 0.5mRECEPT 21023576305 HARTING 1: 12,33 € 80In Stock Restricted Availability	Mfr. Part No. 21023576305 Mouser Part No 617-21023576305	HARTING	Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGL END 0.5mRECEPT 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	80In Stock	12,33 € 10,97 € 10,29 € 9,32 € View 8,74 € 8,32 € 8,10 €	Min.: 1 Mult.: 1 Restricted Availability
Circular Metric Connectors M8 4PIN FEMALE STRT SINGL END 0.5mRECEPT 21023576405 HARTING 1: 14,04 € 50In Stock Restricted Availability 27Expected 09/11/2026	Mfr. Part No. 21023576405 Mouser Part No 617-21023576405	HARTING	Circular Metric Connectors M8 4PIN FEMALE STRT SINGL END 0.5mRECEPT 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	50In Stock 27Expected 09/11/2026	14,04 € 12,63 € 12,38 € 12,20 € View 10,53 € 9,87 € 9,40 €	Min.: 1 Mult.: 1 Restricted Availability
Circular Metric Connectors M12-A 4PIN FML STRT 0.5M RECEPT 21033176405 HARTING 1: 14,10 € 45In Stock Restricted Availability 166Expected 03/11/2026	Mfr. Part No. 21033176405 Mouser Part No 617-21033176405	HARTING	Circular Metric Connectors M12-A 4PIN 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	45In Stock 166Expected 03/11/2026	14,10 € 12,21 € 11,58 € 10,40 € View 9,25 € 8,66 € 8,65 €	Min.: 1 Mult.: 1 Restricted Availability
Circular Metric Connectors M12-A 12POLE RECEPT FML STRT SNG END .5M 21033532C00 HARTING 1: 31,15 € 27In Stock Restricted Availability	Mfr. Part No. 21033532C00 Mouser Part No 617-21033532C00	HARTING	Circular Metric Connectors M12-A 12POLE RECEPT FML STRT SNG END .5M 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	27In Stock	31,15 € 30,05 € 24,74 € 24,04 €	Min.: 1 Mult.: 1 Restricted Availability
Circular Metric Connectors M12-D 4PIN RCPT 0.5M FML STRT SNGL END 21033752400 HARTING 1: 15,85 € 3In Stock Restricted Availability	Mfr. Part No. 21033752400 Mouser Part No 617-21033752400	HARTING	Circular Metric Connectors M12-D 4PIN RCPT 0.5M FML STRT SNGL END 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	15,85 € 14,21 € 13,32 € 12,69 € View 12,07 € 11,32 € 10,78 €	Min.: 1 Mult.: 1 Restricted Availability
Standard Circular Connector 7/8" 4PIN FML STRT RECEPTACLE 21043162501 HARTING 1: 31,39 € 3In Stock Restricted Availability	Mfr. Part No. 21043162501 Mouser Part No 617-21043162501	HARTING	Standard Circular Connector 7/8" 4PIN FML STRT RECEPTACLE 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	31,39 € 26,68 € 25,01 € 23,81 € View 22,68 € 21,39 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN MALE STRT SINGLE END 5.0m PVC 21348000380050 HARTING 1: 15,27 € 18In Stock Restricted Availability	Mfr. Part No. 21348000380050 Mouser Part No 617-21348000380050	HARTING	Sensor Cables / Actuator Cables M8 3PIN MALE STRT 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	18In Stock	15,27 € 14,73 € 12,16 € 11,58 € View 11,03 € 10,34 € 9,85 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 1.0M PVC 21348081481010 HARTING 1: 14,53 € 66In Stock Restricted Availability 55Expected 03/11/2026	Mfr. Part No. 21348081481010 Mouser Part No 617-21348081481010	HARTING	Sensor Cables / Actuator Cables M8 4PIN 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	66In Stock 55Expected 03/11/2026	14,53 € 13,52 € 12,79 € 12,06 € View 10,81 € 10,46 € 10,27 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 5.0M PVC 21348081481050 HARTING 1: 21,01 € 29In Stock Restricted Availability 33On Order	Mfr. Part No. 21348081481050 Mouser Part No 617-21348081481050	HARTING	Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE 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	29In Stock 33On Order	21,01 € 18,54 € 17,38 € 13,94 € Quote Quote	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 0.5M PUR 21348081489005 HARTING 1: 17,05 € 1In Stock Restricted Availability	Mfr. Part No. 21348081489005 Mouser Part No 617-21348081489005	HARTING	Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 0.5M 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	17,05 € 14,50 € 13,59 € 12,94 € View 12,32 € 11,55 € 11,00 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 1.0M PUR 21348081489010 HARTING 1: 14,97 € 83In Stock Restricted Availability	Mfr. Part No. 21348081489010 Mouser Part No 617-21348081489010	HARTING	Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE 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	83In Stock	14,97 € 12,72 € 12,21 € 11,35 € 11,12 €	Min.: 1 Mult.: 1 Restricted Availability