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 6P St 14.5-17mm grip w/ F sockets
Datasheet
25In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR, 12P E-TYPE, CHECKMATE
Datasheet
81In Stock
Min.: 1
Mult.: 1

Connectors Without Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17POS RCPTCL 90 ROT STD FLANGE 25.7X25.7
Datasheet
172In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 6POS RCPTCL 90 ROT STD FLANGE 25.7X25.7
Datasheet
74In Stock
Min.: 1
Mult.: 1

Connectors Without Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17 Pos male pins Standard flange
Datasheet
24In Stock
Min.: 1
Mult.: 1

Connectors With Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,16P,E TYPE
Datasheet
91In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17 Pos male pins Standard flange
Datasheet
48In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 6 Position Straight Receptacle Extension, threaded , 11.0-14.5mm cord grip, male
Datasheet
301In 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
13In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 8P St 14.5-17mm grip w/ F sockets
Datasheet
3In Stock
Min.: 1
Mult.: 1

Connectors With Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 9 Pos male pins Large flange
Datasheet
8In Stock
20Expected 9/22/2026
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 16 position receptacle connector kit, flange mount, threaded, E type, clockwise insert, female, contacts included
Datasheet
7In 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, male, contacts included
Datasheet
8In Stock
Min.: 1
Mult.: 1

IP67
Amphenol SINE Systems Circular Metric Connectors 17 Position Receptacle, 90 Rotatable, Checkmate , Large Flange(28.0x28.0)
Datasheet
9In Stock
Min.: 1
Mult.: 1

IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR, 12P P-TYPE, CHECKMATE
Datasheet
64In Stock
Min.: 1
Mult.: 1

Connectors IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,12P,P TYPE
Datasheet
40In Stock
60On Order
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
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 RECEPTACLE,STR 8POS(4+4)
Datasheet
7In Stock
100Expected 9/7/2026
Min.: 1
Mult.: 1

Couplers Without Pin Contacts Crimp 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 12/8/2026
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 12 Pos male pins Standard flange
Datasheet
13In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 12 Pos male pins Large flange
Datasheet
6In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17 Pos male pins Large flange
Datasheet
1In Stock
20Expected 9/18/2026
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors RECEPTACLE,STR 8POS(4+4),CHECKMATE
Datasheet
3In Stock
100Expected 12/10/2026
Min.: 1
Mult.: 1

IP67