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Circular Locking Connectors & Cable Assemblies

Amphenol Commercial MRD Circular Locking Connectors and Cable Assemblies are 2-, 3-, and 4-position IP67 connectors. These connectors and cable assemblies feature housing options including all-plastic constructions and metal-locking bodies for increased durability. Locking options include 1/3-turn bayonet as well as quick-release metal latches. Panel mount and cable termination options are available with or without finger-proof protection. Amphenol Commercial MRD Circular Locking Connectors and Cable Assemblies offer a current rating up to 10A and are designed to with a -55°C to +105°C temperature range.

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Part #

Standard Circular Connector Female Plastic HSG Socket

MRD-AH03-L13-000
Amphenol Commercial Products
1: $8.08
514In Stock

Mfr. Part #
MRD-AH03-L13-000

Mouser Part #
523-MRD-AH03-L13-000

Amphenol Commercial Products

Standard Circular Connector Female Plastic HSG Socket

Datasheet

514In Stock

$8.08

$7.04

$6.90

Min.: 1
Mult.: 1

Standard Circular Connector Female Metal Housing Pin Contact

MRD-BG04-M17-000
Amphenol Commercial Products
1: $17.83
132In Stock

Mfr. Part #
MRD-BG04-M17-000

Mouser Part #
523-MRD-BG04-M17-000

Amphenol Commercial Products

Standard Circular Connector Female Metal Housing Pin Contact

Datasheet

132In Stock

$17.83

$15.53

$14.37

Min.: 1
Mult.: 1

Standard Circular Connector Harsh MRD receptacle, plastic, 4 pins

MRDBJ04L13000
Amphenol Commercial Products
1: $17.24
102In Stock

Mfr. Part #
MRDBJ04L13000

Mouser Part #
523-MRDBJ04L13000

Amphenol Commercial Products

Standard Circular Connector Harsh MRD receptacle, plastic, 4 pins

Datasheet

102In Stock

$17.24

$15.27

$15.05

$12.65

View

Min.: 1
Mult.: 1

Standard Circular Connector MRDAP02M15000

MRDAP02M15000
Amphenol Commercial Products
1: $21.27
526In Stock

Mfr. Part #
MRDAP02M15000

Mouser Part #
523-MRDAP02M15000

Amphenol Commercial Products

Standard Circular Connector MRDAP02M15000

Datasheet

526In Stock

$21.27

$18.85

$18.12

$17.39

View

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD A PANEL MOUNT RECPT

MRDAH02L13000
Amphenol Commercial Products
1: $9.16
41In Stock
100Expected 2026-03-19

Mfr. Part #
MRDAH02L13000

Mouser Part #
523-MRDAH02L13000

Amphenol Commercial Products

Specialized Cables RUGGED MRD A PANEL MOUNT RECPT

Datasheet

41In Stock

100Expected 2026-03-19

$9.16

$8.37

$8.06

$7.67

$7.19

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD A PANEL MOUNT RECPT

MRDAH04L13000
Amphenol Commercial Products
1: $11.16
79In Stock

Mfr. Part #
MRDAH04L13000

Mouser Part #
523-MRDAH04L13000

Amphenol Commercial Products

Specialized Cables RUGGED MRD A PANEL MOUNT RECPT

Datasheet

79In Stock

$11.16

$9.90

$9.55

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD-A CABLE CODING

MRDAP02CAPA00
Amphenol Commercial Products
1: $23.05
15In Stock

Mfr. Part #
MRDAP02CAPA00

Mouser Part #
523-MRDAP02CAPA00

Amphenol Commercial Products

Specialized Cables RUGGED MRD-A CABLE CODING

Datasheet

15In Stock

$23.05

$20.99

$20.86

$20.31

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD-A CABLE ASSBLY PLUG

MRDAP02CAPC00
Amphenol Commercial Products
1: $30.02
17In Stock

Mfr. Part #
MRDAP02CAPC00

Mouser Part #
523-MRDAP02CAPC00

Amphenol Commercial Products

Specialized Cables RUGGED MRD-A CABLE ASSBLY PLUG

Datasheet

17In Stock

$30.02

$28.44

$26.26

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD-A CABLE ASSBLY PLUG

MRDAP04CAPC00
Amphenol Commercial Products
1: $39.82
19In Stock

Mfr. Part #
MRDAP04CAPC00

Mouser Part #
523-MRDAP04CAPC00

Amphenol Commercial Products

Specialized Cables RUGGED MRD-A CABLE ASSBLY PLUG

Datasheet

19In Stock

$39.82

$35.50

Min.: 1
Mult.: 1

Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT

MRDBF02L13000
Amphenol Commercial Products
1: $19.62
76In Stock

Mfr. Part #
MRDBF02L13000

Mouser Part #
523-MRDBF02L13000

Amphenol Commercial Products

Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT

Datasheet

76In Stock

$19.62

$18.52

$16.72

Min.: 1
Mult.: 1

Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT

MRDBF03L13000
Amphenol Commercial Products
1: $20.24
59In Stock

Mfr. Part #
MRDBF03L13000

Mouser Part #
523-MRDBF03L13000

Amphenol Commercial Products

Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT

Datasheet

59In Stock

$20.24

$18.14

$17.24

$16.79

$16.45

Min.: 1
Mult.: 1

Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT

MRDBG02L13000
Amphenol Commercial Products
1: $14.69
25In Stock

Mfr. Part #
MRDBG02L13000

Mouser Part #
523-MRDBG02L13000

Amphenol Commercial Products

Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT

Datasheet

25In Stock

$14.69

$14.51

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

MRDBM02CAPA00
Amphenol Commercial Products
1: $38.08
28In Stock

Mfr. Part #
MRDBM02CAPA00

Mouser Part #
523-MRDBM02CAPA00

Amphenol Commercial Products

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

Datasheet

28In Stock

$38.08

$30.78

$27.96

$27.81

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

MRDBM02CAPC00
Amphenol Commercial Products
1: $41.96
15In Stock

Mfr. Part #
MRDBM02CAPC00

Mouser Part #
523-MRDBM02CAPC00

Amphenol Commercial Products

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

Datasheet

15In Stock

$41.96

$41.68

$38.78

$38.41

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

MRDBM04CAPC00
Amphenol Commercial Products
1: $59.29
16In Stock

Mfr. Part #
MRDBM04CAPC00

Mouser Part #
523-MRDBM04CAPC00

Amphenol Commercial Products

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

Datasheet

16In Stock

$59.29

$54.44

$53.74

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

MRDBN02CBPC00
Amphenol Commercial Products
1: $63.84
17In Stock

Mfr. Part #
MRDBN02CBPC00

Mouser Part #
523-MRDBN02CBPC00

Amphenol Commercial Products

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

Datasheet

17In Stock

$63.84

$62.50

$60.98

Min.: 1
Mult.: 1

Standard Circular Connector Male Plastic Housing Socket

MRD-BR03-M16-000
Amphenol Commercial Products
1: $23.76
171In Stock

Mfr. Part #
MRD-BR03-M16-000

Mouser Part #
523-MRD-BR03-M16-000

Amphenol Commercial Products

Standard Circular Connector Male Plastic Housing Socket

Datasheet

171In Stock

$23.76

$20.58

$19.51

$19.24

View

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

MRDBN02CAPA00
Amphenol Commercial Products
1: $29.61
30In Stock

Mfr. Part #
MRDBN02CAPA00

Mouser Part #
523-MRDBN02CAPA00

Amphenol Commercial Products

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

Datasheet

30In Stock

$29.61

$28.38

$28.32

Min.: 1
Mult.: 1

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

MRDBN04CAPA00
Amphenol Commercial Products
1: $37.05
15In Stock

Mfr. Part #
MRDBN04CAPA00

Mouser Part #
523-MRDBN04CAPA00

Amphenol Commercial Products

Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG

Datasheet

15In Stock

$37.05

$35.34

Min.: 1
Mult.: 1

Standard Circular Connector Female Plastic HSG Socket

MRD-AH03-M15-000
Amphenol Commercial Products
1: $12.42
77In Stock

Mfr. Part #
MRD-AH03-M15-000

Mouser Part #
523-MRD-AH03-M15-000

Amphenol Commercial Products

Standard Circular Connector Female Plastic HSG Socket

Datasheet

77In Stock

$12.42

$11.64

$10.62

$9.89

View

Min.: 1
Mult.: 1

Standard Circular Connector Male Plastic Housing Pin Contact

MRD-AP03-M15-000
Amphenol Commercial Products
1: $17.93
60In Stock

Mfr. Part #
MRD-AP03-M15-000

Mouser Part #
523-MRD-AP03-M15-000

Amphenol Commercial Products

Standard Circular Connector Male Plastic Housing Pin Contact

Datasheet

60In Stock

$17.93

$16.48

$14.99

$13.78

$13.28

Min.: 1
Mult.: 1

Standard Circular Connector Female Metal Housing Pin Contact

MRD-BG04-L13-000
Amphenol Commercial Products
1: $18.94
3In Stock
110Expected 2026-04-10

Mfr. Part #
MRD-BG04-L13-000

Mouser Part #
523-MRD-BG04-L13-000

Amphenol Commercial Products

Standard Circular Connector Female Metal Housing Pin Contact

Datasheet

3In Stock

110Expected 2026-04-10

$18.94

$18.83

$17.95

$16.15

Min.: 1
Mult.: 1

Standard Circular Connector Female Plastic HSG Pin Contact

MRD-BJ03-L13-000
Amphenol Commercial Products
1: $14.73
154In Stock

Mfr. Part #
MRD-BJ03-L13-000

Mouser Part #
523-MRD-BJ03-L13-000

Amphenol Commercial Products

Standard Circular Connector Female Plastic HSG Pin Contact

Datasheet

154In Stock

$14.73

$12.83

$12.03

$11.45

View

Min.: 1
Mult.: 1

Standard Circular Connector Female Plastic HSG Pin Contact

MRD-BJ03-M16-000
Amphenol Commercial Products
1: $13.76
41In Stock

Mfr. Part #
MRD-BJ03-M16-000

Mouser Part #
523-MRD-BJ03-M16-000

Amphenol Commercial Products

Standard Circular Connector Female Plastic HSG Pin Contact

Datasheet

41In Stock

$13.76

$13.05

$11.87

$11.50

View

Min.: 1
Mult.: 1

Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT

MRDBF04L13000
Amphenol Commercial Products
1: $20.27
3In Stock

Mfr. Part #
MRDBF04L13000

Mouser Part #
523-MRDBF04L13000

Amphenol Commercial Products

Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT

Datasheet

3In Stock

$20.27

$18.09

$17.27

Min.: 1
Mult.: 1