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 ST 17E TH 4.5-7.5mm grip w/male pins
Datasheet
3In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 12P TH 4.5-7.5mm grip w/ F sockets
Datasheet
18In Stock
Min.: 1
Mult.: 1

Socket (Female) Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17P TH 11-15mm grip w/male pins
Datasheet
5In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17P TH 7.5-11mm grip w/ F sockets
Datasheet
10In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 16POS RCPTCL 90 ROT STD FLANGE 25.7X25.7
Datasheet
75In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 12POS RCPTCL 90 ROT STD FLANGE 25.7X25.7
Datasheet
46In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17 Pos male pins Large flange
Datasheet
6In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,12P,E TYPE
Datasheet
61In Stock
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
9In Stock
20Expected 4/24/2026
Min.: 1
Mult.: 1

Connectors With Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 12E TH 11-15mm grip w/ F sockets
Datasheet
8In Stock
Min.: 1
Mult.: 1

Connectors With Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17E TH 4.5-7.5mm grip w/male pins
Datasheet
3In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17E TH 7.5-11mm grip w/male pins
Datasheet
10In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17E TH 11-15mm grip w/male pins
Datasheet
4In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17E TH 4.5-7.5mm grip w/ F sockets
Datasheet
3In Stock
Min.: 1
Mult.: 1

Connectors With Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17E TH 7.5-11mm grip w/ F sockets
Datasheet
6In Stock
Min.: 1
Mult.: 1

Connectors With Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,12P,P TYPE
Datasheet
17In Stock
Min.: 1
Mult.: 1

IP67
Amphenol SINE Systems Circular Metric Connectors ST 12P TH 4.5-7.5mm grip w/ F sockets
Datasheet
5In Stock
10Expected 3/27/2026
Min.: 1
Mult.: 1

Connectors With Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,17P,P TYPE
Datasheet
3In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors PLUG,STR,17P,P TYPE
Datasheet
43In Stock
Min.: 1
Mult.: 1

Connectors Without Pin or Socket Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17P TH 4.5-7.5mm grip w/male pins
Datasheet
2In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17P TH 7.5-11mm grip w/male pins
Datasheet
5In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors ST 17P TH 4.5-7.5mm grip w/ F sockets
Datasheet
10In Stock
Min.: 1
Mult.: 1

Socket (Female) Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17POS RCPTCL 90 ROT STD FLANGE 25.7X25.7
Datasheet
49In 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
11In Stock
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67
Amphenol SINE Systems Circular Metric Connectors 17 Pos male pins Large flange
Datasheet
3In Stock
20On Order
Min.: 1
Mult.: 1

Connectors With Pin Contacts Crimp IP67