Circular Metric Connectors

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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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Part #

Circular Metric Connectors PLUG E TYPE CW F 12POS STRT CHECKMATE

MA2CAE1200
Amphenol SINE Systems
1: $21.31
176In Stock

Mfr. Part No.
MA2CAE1200

Mouser Part No
654-MA2CAE1200

Amphenol SINE Systems

Circular Metric Connectors PLUG E TYPE CW F 12POS STRT CHECKMATE

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Datasheet

176In Stock

$21.31

$18.11

$16.98

$16.17

View

Min.: 1
Mult.: 1

Circular Metric Connectors

12 Contact

M23

Crimp

10 A

160 V

IP67

M23

Circular Metric Connectors M23 RCPTCL EXTENSION 12P CM CW

MA2JAE1200
Amphenol SINE Systems
1: $14.87
185In Stock

Mfr. Part No.
MA2JAE1200

Mouser Part No
654-MA2JAE1200

Amphenol SINE Systems

Circular Metric Connectors M23 RCPTCL EXTENSION 12P CM CW

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Datasheet

185In Stock

$14.87

$13.18

$12.67

$12.17

View

Min.: 1
Mult.: 1

Circular Metric Connectors

12 Contact

M23

Crimp

10 A

160 V

IP67

M23

Circular Metric Connectors PLUG,STR, 17P P-TYPE, CHECKMATE

MA5CAP1700-S3
Amphenol SINE Systems
1: $21.09
79In Stock

Mfr. Part No.
MA5CAP1700-S3

Mouser Part No
654-MA5CAP1700-S3

Amphenol SINE Systems

Circular Metric Connectors PLUG,STR, 17P P-TYPE, CHECKMATE

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Datasheet

79In Stock

$21.09

$19.11

$18.26

$17.72

View

Min.: 1
Mult.: 1

Circular Metric Connectors

17 Contact

M23

Crimp

9 A

125 VAC

IP67

M23

Circular Metric Connectors 17POS RCPTCL 90 ROT STD FLANGE 25.7X25.7

MA7RAE1701
Amphenol SINE Systems
1: $28.11
46In Stock

Mfr. Part No.
MA7RAE1701

Mouser Part No
654-MA7RAE1701

Amphenol SINE Systems

Circular Metric Connectors 17POS RCPTCL 90 ROT STD FLANGE 25.7X25.7

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Datasheet

46In Stock

$28.11

$24.34

$22.81

$20.15

View

Min.: 1
Mult.: 1

Circular Metric Connectors

17 Contact

M23

Crimp

9 A

125 V

IP67

M23

Circular Metric Connectors 8POS RCPTCL 90 ROT STD FLANGE 25.7X25.7

MB5RJN0801
Amphenol SINE Systems
1: $23.24
41In Stock

Mfr. Part No.
MB5RJN0801

Mouser Part No
654-MB5RJN0801

Amphenol SINE Systems

Circular Metric Connectors 8POS RCPTCL 90 ROT STD FLANGE 25.7X25.7

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Datasheet

41In Stock

$23.24

$21.59

$21.49

$21.47

View

Min.: 1
Mult.: 1

Circular Metric Connectors

4 Signal, 3 Power + PE

M23

Crimp

10 A, 30 A

250 V, 630 V

IP67

M23

Circular Metric Connectors PLUG P TYPE CCW F 12POS STT CHECKMATE

MA2CAP1200
Amphenol SINE Systems
1: $20.97
252In Stock

Mfr. Part No.
MA2CAP1200

Mouser Part No
654-MA2CAP1200

Amphenol SINE Systems

Circular Metric Connectors PLUG P TYPE CCW F 12POS STT CHECKMATE

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Datasheet

252In Stock

$20.97

$17.82

$16.71

$15.91

View

Min.: 1
Mult.: 1

Circular Metric Connectors

12 Contact

M23

Crimp

10 A

160 V

IP67

M23

Circular Metric Connectors PLUG,STR,9POS(4+5) CHECKMATE

MB5CKN0900-S3
Amphenol SINE Systems
1: $23.69
93In Stock

Mfr. Part No.
MB5CKN0900-S3

Mouser Part No
654-MB5CKN0900-S3

Amphenol SINE Systems

Circular Metric Connectors PLUG,STR,9POS(4+5) CHECKMATE

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Datasheet

93In Stock

$23.69

$20.85

$20.26

$20.25

View

Min.: 1
Mult.: 1

Circular Metric Connectors

9 Contact

M23

Crimp

30 A

250 V, 630 V

IP67

M23

Circular Metric Connectors Cord Grip

MB6CG-S3
Amphenol SINE Systems
1: $12.15
141In Stock

Mfr. Part No.
MB6CG-S3

Mouser Part No
654-MB6CG-S3

Amphenol SINE Systems

Circular Metric Connectors Cord Grip

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Datasheet

141In Stock

$12.15

$11.21

$10.67

$10.29

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M23

IP67

M23

Circular Metric Connectors 8POS RCPTCL 90 ROT STD FLANGE 25.7X25.7

MB7RJN0801
Amphenol SINE Systems
1: $26.50
34In Stock

Mfr. Part No.
MB7RJN0801

Mouser Part No
654-MB7RJN0801

Amphenol SINE Systems

Circular Metric Connectors 8POS RCPTCL 90 ROT STD FLANGE 25.7X25.7

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Datasheet

34In Stock

$26.50

$24.37

$23.44

$23.08

View

Min.: 1
Mult.: 1

Circular Metric Connectors

4 Signal, 3 Power + PE

M23

Crimp

10 A, 30 A

250 V, 630 V

IP67

M23

Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0

MA5RAE1202
Amphenol SINE Systems
1: $28.54
62In Stock

Mfr. Part No.
MA5RAE1202

Mouser Part No
654-MA5RAE1202

Amphenol SINE Systems

Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0

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Datasheet

62In Stock

$28.54

$24.25

$22.73

$19.68

View

Min.: 1
Mult.: 1

Circular Metric Connectors

12 Contact

M23

Crimp

10 A

160 V

IP67

M23

Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0

MA5RAP1702
Amphenol SINE Systems
1: $28.89
74In Stock

Mfr. Part No.
MA5RAP1702

Mouser Part No
654-MA5RAP1702

Amphenol SINE Systems

Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0

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Datasheet

74In Stock

$28.89

$24.55

$23.02

$19.80

$19.79

Min.: 1
Mult.: 1

Circular Metric Connectors

17 Contact

M23

Crimp

10 A

160 V

IP67

M23

Circular Metric Connectors PLUG,STR,17P,E TYPE

MA7CAE1700-S1
Amphenol SINE Systems
1: $20.60
82In Stock

Mfr. Part No.
MA7CAE1700-S1

Mouser Part No
654-MA7CAE1700-S1

Amphenol SINE Systems

Circular Metric Connectors PLUG,STR,17P,E TYPE

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Datasheet

82In Stock

$20.60

$19.19

$17.06

$17.03

View

Min.: 1
Mult.: 1

Circular Metric Connectors

17 Contact

M23

Crimp

9 A

125 V

IP67

M23

Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0

MA7RAP1702
Amphenol SINE Systems
1: $25.81
40In Stock

Mfr. Part No.
MA7RAP1702

Mouser Part No
654-MA7RAP1702

Amphenol SINE Systems

Circular Metric Connectors 17POS RCPTCL 90 ROT LG FLANGE 28.0X28.0

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Datasheet

40In Stock

$25.81

$22.72

$22.04

$21.41

View

Min.: 1
Mult.: 1

Circular Metric Connectors

17 Contact

M23

Crimp

9 A

160 V

IP67

M23

Circular Metric Connectors PLUG,STRAIGHT,6POS

MB7CKN0600-S3
Amphenol SINE Systems
1: $23.00
66In Stock

Mfr. Part No.
MB7CKN0600-S3

Mouser Part No
654-MB7CKN0600-S3

Amphenol SINE Systems

Circular Metric Connectors PLUG,STRAIGHT,6POS

Learn More

Datasheet

66In Stock

$23.00

$21.37

$20.65

$20.23

View

Min.: 1
Mult.: 1

Circular Metric Connectors

6 Contact

M23

Crimp

28 A

630 VAC

IP67

M23

Circular Metric Connectors PLUG P TYPE CCW F 17POS STRT CHECKMATE

MA2CAP1700
Amphenol SINE Systems
1: $21.54
56In Stock

Mfr. Part No.
MA2CAP1700

Mouser Part No
654-MA2CAP1700

Amphenol SINE Systems

Circular Metric Connectors PLUG P TYPE CCW F 17POS STRT CHECKMATE

Learn More

Datasheet

56In Stock

$21.54

$18.31

$17.16

$16.34

View

Min.: 1
Mult.: 1

Circular Metric Connectors

17 Contact

M23

Crimp

9 A

125 V

IP67

M23

Circular Metric Connectors M23 RECEPTACLE EXT 9P CM

MB2JJN0900
Amphenol SINE Systems
1: $11.59
115In Stock

Mfr. Part No.
MB2JJN0900

Mouser Part No
654-MB2JJN0900

Amphenol SINE Systems

Circular Metric Connectors M23 RECEPTACLE EXT 9P CM

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Datasheet

115In Stock

$11.59

$10.44

$9.83

$9.58

View

Min.: 1
Mult.: 1

Circular Metric Connectors

9 Contact

M23

Crimp

30 A

250 V, 630 V

IP67

M23

Circular Metric Connectors PLUG,STR,8POS(4+4) CHECKMATE

MB5CKN0800-S1
Amphenol SINE Systems
1: $29.26
57In Stock

Mfr. Part No.
MB5CKN0800-S1

Mouser Part No
654-MB5CKN0800-S1

Amphenol SINE Systems

Circular Metric Connectors PLUG,STR,8POS(4+4) CHECKMATE

Learn More

Datasheet

57In Stock

$29.26

$25.32

$23.74

$20.11

View

Min.: 1
Mult.: 1

Circular Metric Connectors

4 Signal, 3 Power + PE

M23

Crimp

10 A, 30 A

250 V, 630 V

IP67

M23

Circular Metric Connectors PLUG,STR,17P,P TYPE

MA7CAP1700-S3
Amphenol SINE Systems
1: $19.66
46In 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

Datasheet

46In Stock

$19.66

$17.83

$17.07

$16.97

View

Min.: 1
Mult.: 1

Circular Metric Connectors

17 Contact

M23

Crimp

9 A

125 V

IP67

M23

Circular Metric Connectors RECEPTACLE,STR,17POS CHECKMATE

MA2LAP1700
Amphenol SINE Systems
1: $11.19
195In Stock

Mfr. Part No.
MA2LAP1700

Mouser Part No
654-MA2LAP1700

Amphenol SINE Systems

Circular Metric Connectors RECEPTACLE,STR,17POS CHECKMATE

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Datasheet

195In Stock

$11.19

$9.51

$8.92

$8.49

View

Min.: 1
Mult.: 1

Circular Metric Connectors

17 Contact

M23

Crimp

9 A

125 V

IP67

M23

Circular Metric Connectors Cord Grip Crimp Cable

MA6CG-S2
Amphenol SINE Systems
1: $13.48
242In Stock
300Expected 12/11/2026

Mfr. Part No.
MA6CG-S2

Mouser Part No
654-MA6CG-S2

Amphenol SINE Systems

Circular Metric Connectors Cord Grip Crimp Cable

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Datasheet

242In Stock

300Expected 12/11/2026

$13.48

$12.19

$11.43

$10.89

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M23

IP67

M23

Circular Metric Connectors PLUG,STR,8POS(4+4) CHECKMATE

MB5CKN0800-S2
Amphenol SINE Systems
1: $29.80
75In Stock

Mfr. Part No.
MB5CKN0800-S2

Mouser Part No
654-MB5CKN0800-S2

Amphenol SINE Systems

Circular Metric Connectors PLUG,STR,8POS(4+4) CHECKMATE

Learn More

Datasheet

75In Stock

$29.80

$25.33

$23.75

$22.61

View

Min.: 1
Mult.: 1

Circular Metric Connectors

4 Signal, 3 Power + PE

M23

Crimp

10 A, 30 A

250 V, 630 V

IP67

M23

Circular Metric Connectors 9POS RCPTCL 90 ROT LG FLANGE 28.0X28.0

MB5RJN0902
Amphenol SINE Systems
1: $29.15
86In Stock

Mfr. Part No.
MB5RJN0902

Mouser Part No
654-MB5RJN0902

Amphenol SINE Systems

Circular Metric Connectors 9POS RCPTCL 90 ROT LG FLANGE 28.0X28.0

Learn More

Datasheet

86In Stock

$29.15

$24.78

$23.23

$22.12

View

Min.: 1
Mult.: 1

Circular Metric Connectors

4 Signal, 4 Power + PE

M23

Crimp

10 A, 30 A

250 V, 630 V

IP67

M23

Circular Metric Connectors PLUG,STRAIGHT,6POS

MB7CKN0600-S2
Amphenol SINE Systems
1: $29.42
143In Stock

Mfr. Part No.
MB7CKN0600-S2

Mouser Part No
654-MB7CKN0600-S2

Amphenol SINE Systems

Circular Metric Connectors PLUG,STRAIGHT,6POS

Learn More

Datasheet

143In Stock

$29.42

$25.01

$23.67

$22.91

View

Min.: 1
Mult.: 1

Circular Metric Connectors

5 Signal + PE

M23

Crimp

28 A

630 V

IP67

M23

Circular Metric Connectors PLUG,STR,8POS(4+4)

MB7CKN0800-S3
Amphenol SINE Systems
1: $31.37
104In Stock

Mfr. Part No.
MB7CKN0800-S3

Mouser Part No
654-MB7CKN0800-S3

Amphenol SINE Systems

Circular Metric Connectors PLUG,STR,8POS(4+4)

Learn More

Datasheet

104In Stock

$31.37

$26.67

$25.46

$24.64

View

Min.: 1
Mult.: 1

Circular Metric Connectors

4 Signal, 3 Power + PE

M23

Crimp

10 A, 30 A

250 V, 630 V

IP67

M23

Circular Metric Connectors 9POS RCPTCL 90 ROT STD FLANGE 25.7X25.7

MB7RJN0901
Amphenol SINE Systems
1: $30.36
75In 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

Datasheet

75In Stock

$30.36

$25.81

$24.19

$23.50

View

Min.: 1
Mult.: 1

Circular Metric Connectors

4 Signal, 4 Power + PE

M23

Crimp

10 A, 30 A

250 V, 630 V

IP67

M23

M23 Standard Threaded & Checkmate™ Connectors

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