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.

Types of Circular Connectors
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Amphenol SINE Systems Circular Metric Connectors PLUG,STR,12P,P TYPE
Datasheet
6In Stock
Min.: 1
Mult.: 1

IP67
Amphenol SINE Systems Circular Metric Connectors 16 position receptacle connector kit, flange mount, threaded, P type, counter-clockwise insert, female, contacts included
Datasheet
4In Stock
Min.: 1
Mult.: 1

IP67
Amphenol SINE Systems Standard Circular Connector 16 position straight plug connector kit, Checkmate , P type, counter-clockwise insert, 7.5-11mm cord grip, male contacts included
Datasheet
3In Stock
Min.: 1
Mult.: 1

Amphenol SINE Systems Circular Metric Connectors 12 Pos male pins Standard flange
Datasheet
5In Stock
30Expected 11/26/2026
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,16P,P TYPE
Datasheet
94In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,16P,P TYPE
Datasheet
86In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0
Datasheet
74In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,17P,E TYPE
Datasheet
82In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0
Datasheet
40In Stock
Min.: 1
Mult.: 1
Connectors Without Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17 Pos male pins Standard flange
Datasheet
23In Stock
Min.: 1
Mult.: 1

Connectors With Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors RECEPTACLE,STR 8POS(4+4)
Datasheet
79In Stock
Min.: 1
Mult.: 1

Couplers Without Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17POS RCPTCL 90 ROT STD FLANGE 25.7X25.7
Datasheet
44In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 8POS RCPTCL 90 ROT STD FLANGE 25.7X25.7
Datasheet
41In Stock
Min.: 1
Mult.: 1
Connectors Without Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,9POS(4+5) CHECKMATE
Datasheet
93In Stock
Min.: 1
Mult.: 1

Crimp IP67
Amphenol SINE Systems Circular Metric Connectors Cord Grip
Datasheet
140In Stock
Min.: 1
Mult.: 1

Accessories IP67
Amphenol SINE Systems Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0
Datasheet
62In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR, 12P E-TYPE, CHECKMATE
Datasheet
66In Stock
Min.: 1
Mult.: 1

Connectors Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,17P,P TYPE
Datasheet
34In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17 Pos female skts Standard flange
Datasheet
14In Stock
Min.: 1
Mult.: 1

Connectors With Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,8POS(4+4) CHECKMATE
Datasheet
57In Stock
Min.: 1
Mult.: 1

Connectors Without Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,12P,E TYPE
Datasheet
102In Stock
50Expected 9/17/2026
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 12E TH 7.5-11mm grip w/ F sockets
Datasheet
35In Stock
Min.: 1
Mult.: 1

Connectors With Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,17P,E TYPE
Datasheet
99In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,12P,P TYPE
Datasheet
86In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,8POS(4+4) CHECKMATE
Datasheet
75In Stock
Min.: 1
Mult.: 1

Connectors Without Socket Contacts Crimp IP67