Circular Metric Connectors – Mouser United Kingdom

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M23 Standard Threaded & Checkmate™ Connectors

Amphenol Sine Systems M23 Standard Threaded and Checkmate™ Connectors are high-performance, cost-effective connectors designed with Checkmate quick-locking technology. These connectors feature superior environmental seal retention and are compatible with existing industry-wide standard products. The M23 standard connectors are available in 6, 8, 9, 12, 16, 17, and 19 positions. The M23 Checkmate quick-locking connectors feature the Metrifit™ strain relief system that provides 360° EMI/RFI shielding with advanced sealing capability (IP67). The Amphenol M23 Checkmate connectors have distinctive alignment arrows and quick locking reliability.

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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 Type	Number of Contacts	Thread Size	Termination Style	Coding	Current Rating	Voltage Rating	IP Rating	Product	Type	Series	Packaging
Circular Metric Connectors Cord Grip MB6CG-S2 Amphenol SINE Systems 1: £10.58 106In Stock 200Expected 29/10/2026	Mfr. Part No. MB6CG-S2 Mouser Part No 654-MB6CG-S2	Amphenol SINE Systems	Circular Metric Connectors Cord Grip Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	106In Stock 200Expected 29/10/2026	£10.58 £9.74 £9.24 £8.99 View £8.28 £7.28 £6.99 £6.65	Min.: 1 Mult.: 1	Circular Metric Connectors		M23					IP67	Accessories		M23
Circular Metric Connectors PLUG,STR,8POS(4+4) MB7CKN0800-S2 Amphenol SINE Systems 1: £23.89 54In Stock	Mfr. Part No. MB7CKN0800-S2 Mouser Part No 654-MB7CKN0800-S2	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR,8POS(4+4) Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	54In Stock	£23.89 £20.31 £19.04 £18.53 View £17.48 £16.41 £15.94 Quote	Min.: 1 Mult.: 1	Circular Metric Connectors	4 Signal, 3 Power + PE	M23	Crimp		10 A, 30 A	250 V, 630 V	IP67	Connectors	Straight	M23
Circular Metric Connectors PLUG,STRAIGHT 9(4+5)POS MB7CKN0900-S1 Amphenol SINE Systems 1: £22.51 21In Stock	Mfr. Part No. MB7CKN0900-S1 Mouser Part No 654-MB7CKN0900-S1	Amphenol SINE Systems	Circular Metric Connectors PLUG,STRAIGHT 9(4+5)POS Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	21In Stock	£22.51 £19.52 £18.30 £16.40 View £16.37 £15.37 £14.89	Min.: 1 Mult.: 1	Circular Metric Connectors	4 Signal, 4 Power + PE	M23	Crimp		10 A, 30 A	250 V, 630 V	IP67	Connectors	Straight	M23
Circular Metric Connectors 6POS RCPTCL 90 ROT LG FLANGE 28.0X28.0 MB7RJN0602 Amphenol SINE Systems 1: £23.13 17In Stock 100Expected 21/12/2026	Mfr. Part No. MB7RJN0602 Mouser Part No 654-MB7RJN0602	Amphenol SINE Systems	Circular Metric Connectors 6POS RCPTCL 90 ROT LG FLANGE 28.0X28.0 Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	17In Stock 100Expected 21/12/2026	£23.13 £19.66 £18.43 £17.56 View £16.87 £15.84 £15.35	Min.: 1 Mult.: 1	Circular Metric Connectors	5 Signal + PE	M23	Crimp		28 A	630 V	IP67	Connectors	Right Angle, Rotatable	M23
Circular Metric Connectors 9POS RCPTCL 90 ROT STD FLANGE 25.7X25.7 MB7RJN0901 Amphenol SINE Systems 1: £22.79 55In Stock	Mfr. Part No. MB7RJN0901 Mouser Part No 654-MB7RJN0901	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	55In Stock	£22.79 £19.38 £18.16 £17.64 View £16.60 £15.58 £15.09	Min.: 1 Mult.: 1	Circular Metric Connectors	4 Signal, 4 Power + PE	M23	Crimp		10 A, 30 A	250 V, 630 V	IP67	Connectors	Right Angle, Rotatable	M23
Circular Metric Connectors PLUG,STR, 12P P-TYPE, CHECKMATE MA5CAP1200-S1 Amphenol SINE Systems 1: £19.88 1In Stock	Mfr. Part No. MA5CAP1200-S1 Mouser Part No 654-MA5CAP1200-S1	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR, 12P P-TYPE, CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	1In Stock	£19.88 £16.02 £15.22 £13.68 View £12.86 £12.45	Min.: 1 Mult.: 1	Circular Metric Connectors	12 Contact	M23			10 A	160 VAC	IP67	Connectors		M23
Circular Metric Connectors PLUG,STR,16P,P TYPE MA7CAP1600-S1 Amphenol SINE Systems 1: £17.70 16In Stock	Mfr. Part No. MA7CAP1600-S1 Mouser Part No 654-MA7CAP1600-S1	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR,16P,P TYPE Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	16In Stock	£17.70 £15.04 £14.10 £13.44 View £12.78 £11.83 £11.45	Min.: 1 Mult.: 1	Circular Metric Connectors	16 Contact	M23	Crimp		9 A	125 V	IP67	Connectors	Straight	M23
Circular Metric Connectors PLUG,STR,17P,P TYPE MA7CAP1700-S3 Amphenol SINE Systems 1: £14.76 30In Stock	Mfr. Part No. MA7CAP1700-S3 Mouser Part No 654-MA7CAP1700-S3	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR,17P,P TYPE Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	30In Stock	£14.76 £13.38 £12.82 £12.81 View £12.74 £11.82 £11.44	Min.: 1 Mult.: 1	Circular Metric Connectors	17 Contact	M23	Crimp		9 A	125 V	IP67	Connectors	Straight	M23
Circular Metric Connectors M23 PANEL MT CONN F THREAD 8P CM MB2GJN0800 Amphenol SINE Systems 1: £20.05 28In Stock	Mfr. Part No. MB2GJN0800 Mouser Part No 654-MB2GJN0800	Amphenol SINE Systems	Circular Metric Connectors M23 PANEL MT CONN F THREAD 8P CM Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	28In Stock	£20.05 £17.04 £15.98 £15.22 View £14.24 £13.92 £13.51 Quote	Min.: 1 Mult.: 1	Circular Metric Connectors	8 Contact	M23	Crimp		30 A	250 V, 630 V	IP67			M23
Circular Metric Connectors M23 JAMNUT RCPTCL 9P CM MB2LKN0900 Amphenol SINE Systems 1: £11.85 12In Stock	Mfr. Part No. MB2LKN0900 Mouser Part No 654-MB2LKN0900	Amphenol SINE Systems	Circular Metric Connectors M23 JAMNUT RCPTCL 9P CM Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	12In Stock	£11.85 £10.07 £9.44 £8.98 View £8.15 £8.11 £7.53 £7.38	Min.: 1 Mult.: 1	Circular Metric Connectors	9 Contact	M23	Crimp		30 A	250 V, 630 V	IP67	Couplers		M23
Circular Metric Connectors REC.,STR,8POS(4+4) FLANGE,EXT,CHECKMATE MB2LLN0800 Amphenol SINE Systems 1: £8.47 102In Stock	Mfr. Part No. MB2LLN0800 Mouser Part No 654-MB2LLN0800	Amphenol SINE Systems	Circular Metric Connectors REC.,STR,8POS(4+4) FLANGE,EXT,CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	102In Stock	£8.47 £7.62 £7.18 £7.00 View £6.82 £6.08 £5.71 £5.22	Min.: 1 Mult.: 1	Circular Metric Connectors	4 Signal, 3 Power + PE	M23	Crimp		10 A, 30 A	630 V	IP67	Connectors	Straight	M23
Circular Metric Connectors PLUG,STR,8POS(4+4) CHECKMATE MB5CKN0800-S3 Amphenol SINE Systems 1: £22.68 8In Stock	Mfr. Part No. MB5CKN0800-S3 Mouser Part No 654-MB5CKN0800-S3	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR,8POS(4+4) CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	8In Stock	£22.68 £18.97 £17.78 £16.93 View £16.39 £15.68 £14.75	Min.: 1 Mult.: 1	Circular Metric Connectors	4 Signal, 3 Power + PE	M23	Crimp		10 A, 30 A	250 V, 630 V	IP67	Connectors	Straight	M23
Circular Metric Connectors 2mm Socket Contact. Wire range 12AWG 65-80041 Amphenol SINE Systems 1: £2.85 1,980Expected 26/11/2026	Mfr. Part No. 65-80041 Mouser Part No 523-65-80041	Amphenol SINE Systems	Circular Metric Connectors 2mm Socket Contact. Wire range 12AWG	Datasheet	1,980Expected 26/11/2026	£2.85 £2.44 £2.17 £2.07 View £1.95 £1.85 £1.67 £1.62	Min.: 1 Mult.: 1	Circular Metric Connectors										M23	Bulk
Circular Metric Connectors RECEPTACLE,STR,17POS CHECKMATE MA2LAP1700 Amphenol SINE Systems 1: £8.40 198Expected 25/12/2026	Mfr. Part No. MA2LAP1700 Mouser Part No 654-MA2LAP1700	Amphenol SINE Systems	Circular Metric Connectors RECEPTACLE,STR,17POS CHECKMATE Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	198Expected 25/12/2026	£8.40 £7.14 £6.70 £6.37 View £5.76 £5.57 £5.33 £5.11 Quote	Min.: 1 Mult.: 1	Circular Metric Connectors	17 Contact	M23	Crimp		9 A	125 V	IP67	Connectors	Straight	M23
Circular Metric Connectors 17pos Straight Male Receptacle Kit MA2LAE1700-KIT Amphenol SINE Systems 1: £38.95 5Expected 20/10/2026	Mfr. Part No. MA2LAE1700-KIT Mouser Part No 654-MA2LAE1700-KIT	Amphenol SINE Systems	Circular Metric Connectors 17pos Straight Male Receptacle Kit Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	5Expected 20/10/2026	£38.95 £33.10 £31.03 £29.55 View £28.14 £27.13	Min.: 1 Mult.: 1	Circular Metric Connectors	17 Contact	M23	Crimp	B Coded	9 A	125 V	IP67	Connectors	Straight	M23
Circular Metric Connectors 6pos Straight Male Receptacle Kit MB2LLN0600-KIT Amphenol SINE Systems 1: £18.18 18Expected 22/12/2026	Mfr. Part No. MB2LLN0600-KIT Mouser Part No 654-MB2LLN0600-KIT	Amphenol SINE Systems	Circular Metric Connectors 6pos Straight Male Receptacle Kit Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	18Expected 22/12/2026	£18.18 £15.90 £15.16 £14.23 View £13.14 £12.53	Min.: 1 Mult.: 1	Circular Metric Connectors	6 Contact	M23	Crimp	B Coded	28 A	630 VAC	IP67			M23
Circular Metric Connectors PLUG,STR,17P,P TYPE MA7CAP1700-S1 Amphenol SINE Systems 1: £15.70 100Factory Stock Available	Mfr. Part No. MA7CAP1700-S1 Mouser Part No 654-MA7CAP1700-S1	Amphenol SINE Systems	Circular Metric Connectors PLUG,STR,17P,P TYPE Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	100Factory Stock Available More Info Available	£15.70 £14.10 £12.79 £12.78 View £11.83 £11.45	Min.: 1 Mult.: 1	Circular Metric Connectors	17 Contact	M23	Crimp		9 A	125 V	IP67	Connectors	Straight	M23
Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0 MA7RAE1702 Amphenol SINE Systems 1: £22.28 100Factory Stock Available	Mfr. Part No. MA7RAE1702 Mouser Part No 654-MA7RAE1702	Amphenol SINE Systems	Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0 Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	100Factory Stock Available More Info Available	£22.28 £17.08 View Quote	Min.: 1 Mult.: 1	Circular Metric Connectors	17 Contact	M23	Crimp		9 A	125 VAC	IP67			M23
Circular Metric Connectors PLUG,STRAIGHT 9(4+5)POS MB7CKN0900-S2 Amphenol SINE Systems 100: £16.37 100Factory Stock Available	Mfr. Part No. MB7CKN0900-S2 Mouser Part No 654-MB7CKN0900-S2	Amphenol SINE Systems	Circular Metric Connectors PLUG,STRAIGHT 9(4+5)POS Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	100Factory Stock Available More Info Available	£16.37 £15.37 £14.89	Min.: 100 Mult.: 100	Circular Metric Connectors	4 Signal, 4 Power + PE	M23	Crimp		10 A, 30 A	250 V, 630 V	IP67	Connectors	Straight	M23
Circular Metric Connectors 6POS RCPTCL 90 ROT LG FLANGE 28.0X28.0 MB5RJN0602 Amphenol SINE Systems 100: £17.79 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. MB5RJN0602 Mouser Part No 654-MB5RJN0602	Amphenol SINE Systems	Circular Metric Connectors 6POS RCPTCL 90 ROT LG FLANGE 28.0X28.0 Learn More about Amphenol SINE Systems amphenol m23 standard connectors	Datasheet	Non-Stocked Lead-Time 15 Weeks	£17.79 View Quote	Min.: 100 Mult.: 100	Circular Metric Connectors	6 Contact	M23	Crimp		28 A	630 VAC	IP67			M23
Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Female Connector, Female Contact, Straight, Screw Thread, Crimp, Field Installable, F8.5 - F17.5mm, IP67 Mated LJ23-06DFFC-SL7002 Amphenol LTW 1: £50.97 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. LJ23-06DFFC-SL7002 Mouser Part No 523-LJ2306DFFCSL7002	Amphenol LTW	Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Female Connector, Female Contact, Straight, Screw Thread, Crimp, Field Installable, F8.5 - F17.5mm, IP67 Mated Learn More about Amphenol LTW m connectors	Datasheet	Non-Stocked Lead-Time 5 Weeks	£50.97 £44.03 £38.11 £36.75 View £36.74 Quote	Min.: 1 Mult.: 1	Circular Metric Connectors										M23
Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Male Connector, Female Contact, Hexagonal, Screw Thread, Crimp, Receptacle, Front Fastened, IP67 Unmated LJ23-06PMFC-SF7001 Amphenol LTW 1: £43.04 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. LJ23-06PMFC-SF7001 Mouser Part No 523-LJ2306PMFCSF7001	Amphenol LTW	Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Male Connector, Female Contact, Hexagonal, Screw Thread, Crimp, Receptacle, Front Fastened, IP67 Unmated Learn More about Amphenol LTW m connectors	Datasheet	Non-Stocked Lead-Time 5 Weeks	£43.04 £36.57 £34.89 £31.80 View £30.54 £29.51 Quote	Min.: 1 Mult.: 1	Circular Metric Connectors										M23
Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Male Connector, Male Contact, Hexagonal, Screw Thread, Crimp, Receptacle, Front Fastened, IP67 Unmated LJ23-06PMMC-SF7001 Amphenol LTW 1: £39.19 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. LJ23-06PMMC-SF7001 Mouser Part No 523-LJ2306PMMCSF7001	Amphenol LTW	Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Male Connector, Male Contact, Hexagonal, Screw Thread, Crimp, Receptacle, Front Fastened, IP67 Unmated Learn More about Amphenol LTW m connectors	Datasheet	Non-Stocked Lead-Time 5 Weeks	£39.19 £33.67 £32.29 £30.76 View £29.28 £27.45	Min.: 1 Mult.: 1	Circular Metric Connectors	6 Contact		Crimp				IP67	Connectors		M23
Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Male Connector, Male Contact, Hexagonal, Screw Thread, Crimp, Receptacle, Front Fastened, IP67 Unmated LJ23-06PMMC-SF7002 Amphenol LTW 1: £36.61 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. LJ23-06PMMC-SF7002 Mouser Part No 523-LJ2306PMMCSF7002	Amphenol LTW	Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Male Connector, Male Contact, Hexagonal, Screw Thread, Crimp, Receptacle, Front Fastened, IP67 Unmated Learn More about Amphenol LTW m connectors	Datasheet	Non-Stocked Lead-Time 5 Weeks	£36.61 £31.11 £29.92 £25.82 View £24.71 £24.06	Min.: 1 Mult.: 1	Circular Metric Connectors										M23
Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Female Connector, Male Contact, Straight, Screw Thread, Crimp, Field Installable, F8.5 - F17.5mm, IP67 Mated LJ23-06DFMC-SL7001 Amphenol LTW 1: £52.03 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. LJ23-06DFMC-SL7001 Mouser Part No 523-LJ2306DFMCSL7001	Amphenol LTW	Circular Metric Connectors M23 Circular Metric Connector, Metal, 28A, 06 pins, Female Connector, Male Contact, Straight, Screw Thread, Crimp, Field Installable, F8.5 - F17.5mm, IP67 Mated Learn More about Amphenol LTW m connectors	Datasheet	Non-Stocked Lead-Time 14 Weeks	£52.03 £44.22 £43.27 £36.87 View £35.06 £35.04 Quote	Min.: 1 Mult.: 1	Circular Metric Connectors										M23

M23 Standard Threaded & Checkmate™ Connectors

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