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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 (SGD) 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: $22.29 170In Stock 318Expected 24/11/2026	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	Datasheet	170In Stock 318Expected 24/11/2026	$22.29 $19.31 $18.31 $16.44 View $14.62 $13.70 $13.04 $12.50	Min.: 1 Mult.: 1
Circular Metric Connectors M12-A 8PIN FML STRT 0.5M RECEPT 21033176805 HARTING 1: $37.94 132In Stock	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	132In Stock	$37.94 $32.26 $30.25 $28.79 View $27.40 $25.69 $24.47	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 4PIN MALE STRT SINGLE END 1.0M PVC 21348000481010 HARTING 1: $19.00 404In Stock	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	404In Stock	$19.00 $16.14 $15.14 $15.12 View $14.78 $14.24 $12.24 $11.66	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 1.0M PVC 21348081481010 HARTING 1: $24.25 121In Stock	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	121In Stock	$24.25 $21.58 $20.22 $19.26 View $18.35 $17.19 $16.37	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-A 8PIN MALE STRT SINGLE END 1.0M PVC 21348400882010 HARTING 1: $29.29 145In Stock	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	Datasheet	145In Stock	$29.29 $24.90 $23.34 $22.22 View $21.61 $19.84 $18.90	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-A 8PIN MALE STRT SINGLE END 5.0M PVC 21348400882050 HARTING 1: $44.54 103In Stock	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	$44.54 $37.85 $35.48 $33.78 $30.16	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE MALE STRT 1.0M PVC 21348400C79010 HARTING 1: $44.64 204In Stock 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	Datasheet	204In Stock 62On Order On Order Ship Dates Mfr. No: 21348400C79010 Stock: 204 Can Dispatch Immediately On Order: 1 Pending 61 Expected 9/11/2026 Factory Lead Time: 5 Weeks	$44.64 $41.72 $39.14 $38.01 View $33.42 $32.18 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE MALE STRT 5.0M PVC 21348400C79050 HARTING 1: $64.07 211In Stock 922On 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	211In Stock 922On Order On Order Ship Dates Mfr. No: 21348400C79050 Stock: 211 Can Dispatch Immediately On Order: 196 Expected 5/11/2026 308 Expected 17/11/2026 418 TBD Factory Lead Time: 6 Weeks	$64.07 $55.87 $51.20 $49.18 View $47.21 $45.37 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STRT5.0M PVC 21348485C79050 HARTING 1: $78.85 108In Stock 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	Datasheet	108In Stock 210On Order On Order Ship Dates Mfr. No: 21348485C79050 Stock: 108 Can Dispatch Immediately On Order: 101 Expected 10/11/2026 109 TBD Factory Lead Time: 6 Weeks	$78.85 $67.03 $62.85 $61.23 Quote Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-A 8PIN FML STRT SINGLE END 1.0M PVC 21348500882010 HARTING 1: $27.69 260In Stock	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	260In Stock	$27.69 $23.53 $22.43 $19.99 View $19.38 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-A 8PIN FML STRT SINGLE END 5.0M PVC 21348500882050 HARTING 1: $44.95 234In Stock	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	234In Stock	$44.95 $40.16 $37.64 $35.85 View $32.00 $31.91 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN M/F STRT DOUBLE END 10.0M PUR 21348081388100 HARTING 1: $46.02 57In Stock 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	Datasheet	57In Stock 100On Order	$46.02 $43.03 $40.90 $36.27 View $33.25 $31.17	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-A 8PIN M/F ST DOUBLE END 1.0M PVC 21348485882010 HARTING 1: $37.11 299In Stock	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	Datasheet	299In Stock	$37.11 $31.55 $29.58 $29.01 View $27.05 $26.04	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 2.0M PVC 21348485882020 HARTING 1: $39.70 59In Stock 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	Datasheet	59In Stock 60Expected 10/11/2026	$39.70 $33.73 $31.28 $29.97 View $29.51 $28.00	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12-A 8PIN M/F ST DOUBLE END 5.0M PVC 21348485882050 HARTING 1: $47.55 370In Stock	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	$47.55 $40.42 $37.89 $37.88 View $36.88 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables M12-A 8PIN M/F ST DOUBLE END 10.0M PVC 21348485882100 HARTING 1: $60.32 86In Stock	Mfr. Part No. 21348485882100 Mouser Part No 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	86In Stock	$60.32 $51.26 $48.05 $45.75 View $43.57 $40.84	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M12A 12PIN 12POLE DBL M/F STR10.0M PVC 21348485C79100 HARTING 1: $101.70 160In Stock	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	160In Stock	$101.70 $86.44 $80.55 $77.86 View $76.04 Quote	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN FEMALE STRT SINGL END 0.5mRECEPT 21023576305 HARTING 1: $19.50 80In Stock	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	$19.50 $17.35 $16.27 $14.74 View $13.82 $13.16 $12.54	Min.: 1 Mult.: 1
Circular Metric Connectors M8 4PIN FEMALE STRT SINGL END 0.5mRECEPT 21023576405 HARTING 1: $22.20 50In Stock 27Expected 9/11/2026	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	Datasheet	50In Stock 27Expected 9/11/2026	$22.20 $19.98 $19.58 $19.30 View $16.65 $15.61 $14.86	Min.: 1 Mult.: 1
Circular Metric Connectors M12-A 12POLE RECEPT FML STRT SNG END .5M 21033532C00 HARTING 1: $49.26 7In Stock 10Expected 24/11/2026	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	7In Stock 10Expected 24/11/2026	$49.26 $47.36 $39.13 $37.26 Quote Quote	Min.: 1 Mult.: 1
Circular Metric Connectors M12-D 4PIN RCPT 0.5M FML STRT SNGL END 21033752400 HARTING 1: $25.06 3In Stock	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	3In Stock	$25.06 $22.47 $21.07 $20.06 View $19.08 $17.90 $17.04	Min.: 1 Mult.: 1
Standard Circular Connector 7/8" 4PIN FML STRT RECEPTACLE 21043162501 HARTING 1: $49.64 3In Stock	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	$49.64 $42.19 $39.55 $37.66 View $35.86 $33.62	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 3PIN MALE STRT SINGLE END 5.0m PVC 21348000380050 HARTING 1: $24.15 18In Stock	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	18In Stock	$24.15 $23.30 $19.23 $18.32 View $17.45 $16.35 $15.57	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 5.0M PVC 21348081481050 HARTING 1: $28.76 29In Stock 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	$28.76 $24.44 $22.05	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables M8 4PIN M/F STRT DOUBLE END 0.5M PUR 21348081489005 HARTING 1: $26.97 1In Stock	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	$26.97 $22.93 $21.49 $20.47 View $19.49 $18.26 $17.39	Min.: 1 Mult.: 1