Circular Connectors – Mouser United Kingdom

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M23 Elite Threaded and Checkmate™ Connectors

Amphenol Sine Systems M23 Elite Threaded and Checkmate™ Connectors are designed with expanded connector options and are compatible with other industry-standard products. The connectors feature a next-generation single-piece design, loose-piece insert assembly, ground protection, top-loading design, Checkmate coupling, and 360° shielding. Amphenol M23 elite connectors are available in 6, 8, 9, 12, 16, and 17 positions. These connectors do not require any extraction tools for power inserts.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Contact Gender	Termination Style	IP Rating
Circular Metric Connectors PLUG,STR, 6P CHECKMATE MB5CKN0600-S1 Amphenol SINE Systems 1: £19.97 4In Stock 100Expected 02/02/2027	Mfr. Part No. MB5CKN0600-S1 Mouser Part No 654-MB5CKN0600-S1	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR, 6P CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	4In Stock 100Expected 02/02/2027	£19.97 £17.77 £17.49 £15.79 View £15.10 £14.19 £13.74	Min.: 1 Mult.: 1	Connectors	Without Socket Contacts	Crimp	IP67
Circular Metric Connectors PLUG,STR, 6P CHECKMATE MB5CKN0600-S2 Amphenol SINE Systems 1: £18.86 23In Stock 100Expected 10/11/2026	Mfr. Part No. MB5CKN0600-S2 Mouser Part No 654-MB5CKN0600-S2	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR, 6P CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	23In Stock 100Expected 10/11/2026	£18.86 £16.73 £16.72 £15.28 View £14.34 £13.91	Min.: 1 Mult.: 1	Connectors	Without Socket Contacts	Crimp	IP67
Circular Metric Connectors PLUG,STR, 6P CHECKMATE MB5CKN0600-S3 Amphenol SINE Systems 1: £21.99 4In Stock	Mfr. Part No. MB5CKN0600-S3 Mouser Part No 654-MB5CKN0600-S3	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR, 6P CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	4In Stock	£21.99 £18.69 £17.52 £16.68 View £15.33 £14.78 £14.19 Quote	Min.: 1 Mult.: 1	Connectors	Without Socket Contacts	Crimp	IP67
Circular Metric Connectors PLUG,STR,9POS(4+5) CHECKMATE MB5CKN0900-S1 Amphenol SINE Systems 1: £23.03 16In Stock	Mfr. Part No. MB5CKN0900-S1 Mouser Part No 654-MB5CKN0900-S1	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR,9POS(4+5) CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	16In Stock	£23.03 £20.52 £16.81 £16.01 View £15.62 £14.70 £13.87	Min.: 1 Mult.: 1	Connectors	Without Socket Contacts	Crimp	IP67
Circular Metric Connectors PLUG,STR,9POS(4+5) CHECKMATE MB5CKN0900-S2 Amphenol SINE Systems 1: £19.02 66In Stock	Mfr. Part No. MB5CKN0900-S2 Mouser Part No 654-MB5CKN0900-S2	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR,9POS(4+5) CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	66In Stock	£19.02 £16.71 £15.84 £15.25 View £15.24 £14.33 £13.87	Min.: 1 Mult.: 1			Crimp	IP67
Circular Metric Connectors 9P St 7.0-11.0mm grip w/ F sockets MB5CKN0900-S1-KIT Amphenol SINE Systems 1: £49.63 4In Stock	Mfr. Part No. MB5CKN0900-S1-KIT Mouser Part No 654-MB5CKN0900S1-KIT	Amphenol SINE Systems	Circular Metric Connectors 9P St 7.0-11.0mm grip w/ F sockets Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	4In Stock	£49.63 £42.32 £39.67 £37.78 View £35.98 £35.58 Quote	Min.: 1 Mult.: 1	Connectors	With Socket Contacts	Crimp	IP67
Circular Metric Connectors 9P St 11.0-14.5mm grip w/ F sockets MB5CKN0900-S2-KIT Amphenol SINE Systems 1: £50.12 4In Stock	Mfr. Part No. MB5CKN0900-S2-KIT Mouser Part No 654-MB5CKN0900S2-KIT	Amphenol SINE Systems	Circular Metric Connectors 9P St 11.0-14.5mm grip w/ F sockets Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	4In Stock	£50.12 £43.48 £41.62 £39.97 View £37.90 £35.45	Min.: 1 Mult.: 1	Connectors	With Socket Contacts	Crimp	IP67
Circular Metric Connectors 9P St 14.5-17mm grip w/ F sockets MB5CKN0900-S3-KIT Amphenol SINE Systems 1: £49.94 9In Stock	Mfr. Part No. MB5CKN0900-S3-KIT Mouser Part No 654-MB5CKN0900S3-KIT	Amphenol SINE Systems	Circular Metric Connectors 9P St 14.5-17mm grip w/ F sockets Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	9In Stock	£49.94 £42.45 £39.79 £37.89 View £35.82 £35.61	Min.: 1 Mult.: 1	Connectors	With Socket Contacts	Crimp	IP67
Circular Metric Connectors RECEPTACLE,STR 9POS(5+4),CHECKMATE MB5JJN0900-S2 Amphenol SINE Systems 1: £14.77 40In Stock	Mfr. Part No. MB5JJN0900-S2 Mouser Part No 654-MB5JJN0900-S2	Amphenol SINE Systems	Circular Metric Connectors RECEPTACLE,STR 9POS(5+4),CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	40In Stock	£14.77 £12.81 £12.14 £11.97 View £10.55 £9.85 £9.63 £9.14	Min.: 1 Mult.: 1	Connectors	Without Pin Contacts	Crimp	IP67
Circular Metric Connectors 6 Pos male pins Standard flange MB5RJN0601-KIT Amphenol SINE Systems 1: £39.66 16In Stock	Mfr. Part No. MB5RJN0601-KIT Mouser Part No 654-MB5RJN0601-KIT	Amphenol SINE Systems	Circular Metric Connectors 6 Pos male pins Standard flange Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	16In Stock	£39.66 £34.94 £32.74 £31.59 View £30.07 £29.18	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors 8 Pos male pins Standard flange MB5RJN0801-KIT Amphenol SINE Systems 1: £46.16 20In Stock	Mfr. Part No. MB5RJN0801-KIT Mouser Part No 654-MB5RJN0801-KIT	Amphenol SINE Systems	Circular Metric Connectors 8 Pos male pins Standard flange Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	20In Stock	£46.16 £43.19 £39.97 £38.55 View £36.71 £36.28	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors 9POS RCPTCL 90 ROT STD FLANGE 25.7X25.7 MB5RJN0901 Amphenol SINE Systems 1: £23.28 9In Stock	Mfr. Part No. MB5RJN0901 Mouser Part No 654-MB5RJN0901	Amphenol SINE Systems	Circular Metric Connectors 9POS RCPTCL 90 ROT STD FLANGE 25.7X25.7 Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	9In Stock	£23.28 £23.13 £22.43 £15.69 View £15.58 £15.20 £14.99 Quote	Min.: 1 Mult.: 1	Connectors	Without Pin Contacts	Crimp	IP67
Circular Metric Connectors Cord Grip MB6CG-S3 Amphenol SINE Systems 1: £9.44 114In Stock	Mfr. Part No. MB6CG-S3 Mouser Part No 654-MB6CG-S3	Amphenol SINE Systems	Circular Metric Connectors Cord Grip Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	114In Stock	£9.44 £8.57 £8.20 £7.91 View £7.79 £7.25 £6.63 £6.59	Min.: 1 Mult.: 1	Accessories			IP67
Circular Metric Connectors 6P St 7.0-11.0mm grip w/ F sockets MB7CKN0600-S1-KIT Amphenol SINE Systems 1: £57.89 8In Stock	Mfr. Part No. MB7CKN0600-S1-KIT Mouser Part No 654-MB7CKN0600S1-KIT	Amphenol SINE Systems	Circular Metric Connectors 6P St 7.0-11.0mm grip w/ F sockets Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	8In Stock	£57.89 £50.21 £47.60 £45.45 View £43.29 £40.77	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors 6P St 11.0-14.5mm grip w/ F sockets MB7CKN0600-S2-KIT Amphenol SINE Systems 1: £55.26 7In Stock 20Expected 26/01/2027	Mfr. Part No. MB7CKN0600-S2-KIT Mouser Part No 654-MB7CKN0600S2-KIT	Amphenol SINE Systems	Circular Metric Connectors 6P St 11.0-14.5mm grip w/ F sockets Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	7In Stock 20Expected 26/01/2027	£55.26 £47.33 £44.95 £42.80 £40.69	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors 8P St 7.0-11.0mm grip w/ F sockets MB7CKN0800-S1-KIT Amphenol SINE Systems 1: £49.59 2In Stock 20Expected 10/12/2026	Mfr. Part No. MB7CKN0800-S1-KIT Mouser Part No 654-MB7CKN0800S1-KIT	Amphenol SINE Systems	Circular Metric Connectors 8P St 7.0-11.0mm grip w/ F sockets Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	2In Stock 20Expected 10/12/2026	£49.59 £43.62 £41.14 £38.91 £37.43	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors 8P St 14.5-17mm grip w/ F sockets MB7CKN0800-S3-KIT Amphenol SINE Systems 1: £49.43 4In Stock	Mfr. Part No. MB7CKN0800-S3-KIT Mouser Part No 654-MB7CKN0800S3-KIT	Amphenol SINE Systems	Circular Metric Connectors 8P St 14.5-17mm grip w/ F sockets Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	4In Stock	£49.43 £43.52 £41.05 £38.74 £37.35	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors 9P St 11.0-14.5mm grip w/ F sockets MB7CKN0900-S2-KIT Amphenol SINE Systems 1: £51.88 8In Stock	Mfr. Part No. MB7CKN0900-S2-KIT Mouser Part No 654-MB7CKN0900S2-KIT	Amphenol SINE Systems	Circular Metric Connectors 9P St 11.0-14.5mm grip w/ F sockets Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	8In Stock	£51.88 £44.10 £41.34 £39.36 £37.49	Min.: 1 Mult.: 1		Socket (Female)	Crimp	IP67
Circular Metric Connectors 9P St 14.5-17mm grip w/ F sockets MB7CKN0900-S3-KIT Amphenol SINE Systems 1: £52.00 6In Stock	Mfr. Part No. MB7CKN0900-S3-KIT Mouser Part No 654-MB7CKN0900S3-KIT	Amphenol SINE Systems	Circular Metric Connectors 9P St 14.5-17mm grip w/ F sockets Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	6In Stock	£52.00 £44.19 £41.42 £39.45 View £37.57 £37.22	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors RECEPTACLE,STR 9POS(5+4) MB7JJN0900-S2 Amphenol SINE Systems 1: £14.68 47In Stock	Mfr. Part No. MB7JJN0900-S2 Mouser Part No 654-MB7JJN0900-S2	Amphenol SINE Systems	Circular Metric Connectors RECEPTACLE,STR 9POS(5+4) Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	47In Stock	£14.68 £12.48 £11.70 £11.14 View £10.60 £9.81 £9.46	Min.: 1 Mult.: 1	Couplers	Without Pin Contacts	Crimp	IP67
Circular Metric Connectors RECEPTACLE,STR 9POS(5+4) MB7JJN0900-S3 Amphenol SINE Systems 1: £14.64 16In Stock	Mfr. Part No. MB7JJN0900-S3 Mouser Part No 654-MB7JJN0900-S3	Amphenol SINE Systems	Circular Metric Connectors RECEPTACLE,STR 9POS(5+4) Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	16In Stock	£14.64 £12.44 £11.66 £11.10 View £10.57 £9.79 £9.44	Min.: 1 Mult.: 1	Couplers	Without Pin Contacts	Crimp	IP67
Circular Metric Connectors 6 Pos male pins Standard flange MB7RJN0601-KIT Amphenol SINE Systems 1: £45.69 23In Stock 30Expected 18/11/2026	Mfr. Part No. MB7RJN0601-KIT Mouser Part No 654-MB7RJN0601-KIT	Amphenol SINE Systems	Circular Metric Connectors 6 Pos male pins Standard flange Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	23In Stock 30Expected 18/11/2026	£45.69 £38.84 £36.83 £32.77 £31.62	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors 6 Pos male pins Large flange MB7RJN0602-KIT Amphenol SINE Systems 1: £46.97 12In Stock 30Expected 10/12/2026	Mfr. Part No. MB7RJN0602-KIT Mouser Part No 654-MB7RJN0602-KIT	Amphenol SINE Systems	Circular Metric Connectors 6 Pos male pins Large flange Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	12In Stock 30Expected 10/12/2026	£46.97 £41.00 £37.94 £36.60 View £34.85 £34.39 Quote	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors 8 Pos male pins Standard flange MB7RJN0801-KIT Amphenol SINE Systems 1: £44.97 16In Stock 30Expected 08/02/2027	Mfr. Part No. MB7RJN0801-KIT Mouser Part No 654-MB7RJN0801-KIT	Amphenol SINE Systems	Circular Metric Connectors 8 Pos male pins Standard flange Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	16In Stock 30Expected 08/02/2027	£44.97 £41.14 £37.66 £37.43	Min.: 1 Mult.: 1	Connectors	With Pin Contacts	Crimp	IP67
Circular Metric Connectors Pin Contact 1.0mm,Crimp 18-22AWG SC000261 Amphenol SINE Systems 1: £1.15 1,555In Stock 2,000Expected 16/02/2027	Mfr. Part No. SC000261 Mouser Part No 654-SC000261	Amphenol SINE Systems	Circular Metric Connectors Pin Contact 1.0mm,Crimp 18-22AWG Learn More about Amphenol SINE Systems amphenol m23 elite connectors	Datasheet	1,555In Stock 2,000Expected 16/02/2027	£1.15 £1.00 £0.849 £0.717 View £0.673 £0.667 £0.606	Min.: 1 Mult.: 1	Contacts	Pin (Male)	Crimp