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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 4PIN FML STRT 0.5M RECEPT 21033176405 HARTING 1: 14,10 € 167In Stock Restricted Availability	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	Datasheet	167In Stock	14,10 € 12,21 € 11,58 € 10,40 € View 9,90 € 9,28 € 8,84 € 8,65 €	Min.: 1 Mult.: 1 Restricted Availability
Circular Metric Connectors M12-A 8PIN FML STRT 0.5M RECEPT 21033176805 HARTING 1: 23,99 € 136In 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	Datasheet	136In 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: 12,39 € 479In 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	Datasheet	479In Stock	12,39 € 11,12 € 10,52 € 10,05 € View 9,53 € 9,00 € 7,74 € 7,48 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12-A 8PIN MALE STRT SINGLE END 5.0M PVC 21348400882050 HARTING 1: 26,34 € 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	Datasheet	103In Stock	26,34 € 22,39 € 20,98 € 18,99 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE MALE STRT 1.0M PVC 21348400C79010 HARTING 1: 28,23 € 102In Stock Restricted Availability 179On 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	Datasheet	102In Stock 179On Order On Order Ship Dates Mfr. No: 21348400C79010 Stock: 102 Can Dispatch Immediately On Order: 61 Expected 10/15/2026 118 Expected 11/2/2026 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: 36,04 € 171In 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	Datasheet	171In Stock 997On Order	36,04 € 30,63 € 28,72 € 27,35 € View 26,05 € 25,87 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT5.0M PVC 21348485C79050 HARTING 1: 49,86 € 138In Stock Restricted Availability	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	Datasheet	138In Stock	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 € 158In Stock Restricted Availability 112Expected 9/29/2026	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	Datasheet	158In Stock 112Expected 9/29/2026	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: 26,22 € 121In Stock Restricted Availability 113Expected 10/21/2026	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	Datasheet	121In Stock 113Expected 10/21/2026	26,22 € 22,28 € 20,89 € 20,27 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 2.0M PUR 21348081489020 HARTING 1: 17,54 € 167In Stock Restricted Availability	Mfr. Part No. 21348081489020 Mouser Part No 617-21348081489020	HARTING	Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 2.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	167In Stock	17,54 € 15,26 € 15,12 € 14,16 € 11,92 €	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 € 171In Stock Restricted Availability	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	Datasheet	171In Stock	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: 31,17 € 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	Datasheet	370In Stock	31,17 € 26,49 € 24,84 € 23,65 € View 22,51 € 21,22 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STR10.0M PVC 21348485C79100 HARTING 1: 68,76 € 127In Stock Restricted Availability 33Expected 10/21/2026	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	Datasheet	127In Stock 33Expected 10/21/2026	68,76 € 58,44 € 56,79 € 49,68 €	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	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 € 54In Stock Restricted Availability 27Expected 10/15/2026	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	Datasheet	54In Stock 27Expected 10/15/2026	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 12POLE RECEPT FML STRT SNG END .5M 21033532C00 HARTING 1: 31,18 € 32In 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	Datasheet	32In Stock	31,18 € 27,72 € 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 € 16In 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	Datasheet	16In 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	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 € 21In 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	Datasheet	21In 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: 14,10 € 76In Stock Restricted Availability	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	Datasheet	76In Stock	14,10 € 11,98 € 10,69 € 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	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	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	Datasheet	83In Stock	14,97 € 12,72 € 11,92 € 11,35 € 11,12 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 10.0M PUR 21348081489100 HARTING 1: 33,11 € 13In Stock Restricted Availability	Mfr. Part No. 21348081489100 Mouser Part No 617-21348081489100	HARTING	Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 10.0M PUR Learn More about HARTING m8 m12 78 connectors	Datasheet	13In Stock	33,11 € 28,71 € 26,38 € 25,12 € View 23,92 € 22,67 €	Min.: 1 Mult.: 1 Restricted Availability
Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 5.0M PVC 21348100380050 HARTING 1: 14,11 € 1In Stock Restricted Availability	Mfr. Part No. 21348100380050 Mouser Part No 617-21348100380050	HARTING	Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGLE END 5.0M PVC Learn More about HARTING m8 m12 78 connectors	Datasheet	1In Stock	14,11 € 12,00 € 11,24 € 10,71 € View 10,20 € 9,55 € 9,10 € 8,67 €	Min.: 1 Mult.: 1 Restricted Availability