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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.
Standard Circular Connector Female Plastic HSG Socket MRD-AH03-L13-000 Amphenol Commercial Products 1: $8.180 484In Stock	Mfr. Part # MRD-AH03-L13-000 Mouser Part # 523-MRD-AH03-L13-000	Amphenol Commercial Products	Standard Circular Connector Female Plastic HSG Socket Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	484In Stock	$8.180 $7.781 $7.086 $6.927 View $5.788 $5.537 Quote	Min.: 1 Mult.: 1
Standard Circular Connector MRDAP02M15000 MRDAP02M15000 Amphenol Commercial Products 1: $15.631 481In Stock	Mfr. Part # MRDAP02M15000 Mouser Part # 523-MRDAP02M15000	Amphenol Commercial Products	Standard Circular Connector MRDAP02M15000 Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	481In Stock	$15.631 $13.854 $13.318 $10.413	Min.: 1 Mult.: 1
Specialized Cables RUGGED MRD A PANEL MOUNT RECPT MRDAH02L13000 Amphenol Commercial Products 1: $6.323 193In Stock	Mfr. Part # MRDAH02L13000 Mouser Part # 523-MRDAH02L13000	Amphenol Commercial Products	Specialized Cables RUGGED MRD A PANEL MOUNT RECPT Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	193In Stock	$6.323 $6.004 $5.844 $5.822 View $5.753 $5.206 $4.967 $4.922 $4.796	Min.: 1 Mult.: 1
Standard Circular Connector Female Metal Housing Pin Contact MRD-BG04-L13-000 Amphenol Commercial Products 1: $15.392 108In Stock	Mfr. Part # MRD-BG04-L13-000 Mouser Part # 523-MRD-BG04-L13-000	Amphenol Commercial Products	Standard Circular Connector Female Metal Housing Pin Contact Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	108In Stock	$15.392 $13.888 $13.204 $12.703 View $11.074 $10.778 $10.675	Min.: 1 Mult.: 1
Standard Circular Connector Harsh MRD receptacle, plastic, 4 pins Amphenol Commercial Products MRDBJ04L13000 MRDBJ04L13000 Amphenol Commercial Products 1: $12.669 102In Stock	Mfr. Part # MRDBJ04L13000 Mouser Part # 523-MRDBJ04L13000	Amphenol Commercial Products	Standard Circular Connector Harsh MRD receptacle, plastic, 4 pins Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	102In Stock	$12.669 $11.222 $10.789 $8.305	Min.: 1 Mult.: 1
Standard Circular Connector HRD CIR CONN METAL HOUSING MRD-BN04-M17-000 Amphenol Commercial Products 1: $21.339 163In Stock	Mfr. Part # MRD-BN04-M17-000 Mouser Part # 523-MRDBN04M17000	Amphenol Commercial Products	Standard Circular Connector HRD CIR CONN METAL HOUSING Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	163In Stock	$21.339 $18.126 $16.987 $16.109 $14.674	Min.: 1 Mult.: 1
Standard Circular Connector Female Plastic HSG Socket MRD-AH03-M15-000 Amphenol Commercial Products 1: $13.341 71In Stock	Mfr. Part # MRD-AH03-M15-000 Mouser Part # 523-MRD-AH03-M15-000	Amphenol Commercial Products	Standard Circular Connector Female Plastic HSG Socket Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	71In Stock	$13.341 $13.330 $9.718 $9.285 View $9.000 $8.624 $7.815 $7.428 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Male Plastic Housing Pin Contact MRD-AP03-M15-000 Amphenol Commercial Products 1: $14.537 34In 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 Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	34In Stock	$14.537 $12.350 $11.017 $9.946 $9.764	Min.: 1 Mult.: 1
Standard Circular Connector Female Metal Housing Pin Contact MRD-BG04-M17-000 Amphenol Commercial Products 1: $17.716 78In 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 Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	78In Stock	$17.716 $15.050 $14.104 $13.432 View $12.794 $12.122	Min.: 1 Mult.: 1
Standard Circular Connector Female Plastic HSG Pin Contact MRD-BJ03-L13-000 Amphenol Commercial Products 1: $11.256 109In 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 Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	109In Stock	$11.256 $9.627 $9.023 $8.590 View $8.180 $7.667 $7.439	Min.: 1 Mult.: 1
Standard Circular Connector Male Plastic Housing Socket MRD-BR03-M16-000 Amphenol Commercial Products 1: $17.249 66In Stock	Mfr. Part # MRD-BR03-M16-000 Mouser Part # 523-MRD-BR03-M16-000	Amphenol Commercial Products	Standard Circular Connector Male Plastic Housing Socket Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	66In Stock	$17.249 $14.662 $13.740 $13.079 $11.769	Min.: 1 Mult.: 1
Specialized Cables RUGGED MRD A PANEL MOUNT RECPT MRDAH04L13000 Amphenol Commercial Products 1: $9.570 79In Stock	Mfr. Part # MRDAH04L13000 Mouser Part # 523-MRDAH04L13000	Amphenol Commercial Products	Specialized Cables RUGGED MRD A PANEL MOUNT RECPT Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	79In Stock	$9.570 $9.046 $8.328 $7.474 View $7.029 $7.018	Min.: 1 Mult.: 1
Specialized Cables RUGGED MRD-A CABLE ASSBLY PLUG MRDAP02CAPC00 Amphenol Commercial Products 1: $24.016 17In Stock	Mfr. Part # MRDAP02CAPC00 Mouser Part # 523-MRDAP02CAPC00	Amphenol Commercial Products	Specialized Cables RUGGED MRD-A CABLE ASSBLY PLUG Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	17In Stock	$24.016 $22.170 $19.356 $19.299	Min.: 1 Mult.: 1
Specialized Cables RUGGED MRD-A CABLE ASSBLY PLUG MRDAP04CAPC00 Amphenol Commercial Products 1: $36.081 19In Stock	Mfr. Part # MRDAP04CAPC00 Mouser Part # 523-MRDAP04CAPC00	Amphenol Commercial Products	Specialized Cables RUGGED MRD-A CABLE ASSBLY PLUG Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	19In Stock	$36.081 $29.200 $26.089	Min.: 1 Mult.: 1
Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT MRDBF02L13000 Amphenol Commercial Products 1: $16.371 35In Stock	Mfr. Part # MRDBF02L13000 Mouser Part # 523-MRDBF02L13000	Amphenol Commercial Products	Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	35In Stock	$16.371 $14.571 $13.865 $13.603 $12.293	Min.: 1 Mult.: 1
Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT MRDBF03L13000 Amphenol Commercial Products 1: $16.018 56In Stock	Mfr. Part # MRDBF03L13000 Mouser Part # 523-MRDBF03L13000	Amphenol Commercial Products	Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	56In Stock	$16.018 $14.378 $13.671 $13.147 View $12.486 $12.088	Min.: 1 Mult.: 1
Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT MRDBG02L13000 Amphenol Commercial Products 1: $12.908 23In Stock	Mfr. Part # MRDBG02L13000 Mouser Part # 523-MRDBG02L13000	Amphenol Commercial Products	Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	23In Stock	$12.908 $11.826 $11.279 $11.165 $10.664	Min.: 1 Mult.: 1
Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT MRDBG03L13000 Amphenol Commercial Products 1: $13.216 6In Stock	Mfr. Part # MRDBG03L13000 Mouser Part # 523-MRDBG03L13000	Amphenol Commercial Products	Standard Circular Connector RUGGED MRD B PANEL MOUNT RECPT Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	6In Stock	$13.216 $12.475 $12.008 $11.678 $11.609	Min.: 1 Mult.: 1
Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG MRDBM02CAPC00 Amphenol Commercial Products 1: $33.768 15In Stock	Mfr. Part # MRDBM02CAPC00 Mouser Part # 523-MRDBM02CAPC00	Amphenol Commercial Products	Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	15In Stock	$33.768 $31.387 $28.231	Min.: 1 Mult.: 1
Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG MRDBM03CAPA00 Amphenol Commercial Products 1: $29.393 1In Stock	Mfr. Part # MRDBM03CAPA00 Mouser Part # 523-MRDBM03CAPA00	Amphenol Commercial Products	Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	1In Stock	$29.393 $28.470 $24.403 $23.549	Min.: 1 Mult.: 1
Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG MRDBN02CAPA00 Amphenol Commercial Products 1: $24.221 2In Stock	Mfr. Part # MRDBN02CAPA00 Mouser Part # 523-MRDBN02CAPA00	Amphenol Commercial Products	Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	2In Stock	$24.221 $21.794 $20.872 $20.815	Min.: 1 Mult.: 1
Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG MRDBN02CBPC00 Amphenol Commercial Products 1: $51.632 17In Stock	Mfr. Part # MRDBN02CBPC00 Mouser Part # 523-MRDBN02CBPC00	Amphenol Commercial Products	Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	17In Stock	$51.632 $45.412 $44.819	Min.: 1 Mult.: 1
Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG MRDBN04CAPA00 Amphenol Commercial Products 1: $31.125 15In Stock	Mfr. Part # MRDBN04CAPA00 Mouser Part # 523-MRDBN04CAPA00	Amphenol Commercial Products	Specialized Cables RUGGED MRD-B CABLE ASSBLY PLUG Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	15In Stock	$31.125 $29.952 $25.975	Min.: 1 Mult.: 1
Standard Circular Connector Harsh MRD plug, plastic, 4 sockets, 7-9mm cable MRDBR04M16000 Amphenol Commercial Products 1: $19.892 117In Stock	Mfr. Part # MRDBR04M16000 Mouser Part # 523-MRDBR04M16000	Amphenol Commercial Products	Standard Circular Connector Harsh MRD plug, plastic, 4 sockets, 7-9mm cable Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	117In Stock	$19.892 $17.226 $16.337 $16.098 View $14.742 $13.671 $13.535 $13.398	Min.: 1 Mult.: 1
Standard Circular Connector HARSH MRD Connector, IP67,8pin, Female Plastic Housing, Socket Contact MRDAH08L13000 Amphenol Commercial Products 1: $13.193 135Expected 11/26/2026	Mfr. Part # MRDAH08L13000 Mouser Part # 523-MRDAH08L13000	Amphenol Commercial Products	Standard Circular Connector HARSH MRD Connector, IP67,8pin, Female Plastic Housing, Socket Contact Learn More about Amphenol Commercial Products amphenol mrd circular connectors	Datasheet	135Expected 11/26/2026	$13.193 $12.054 $11.302 $10.755 View $10.242 $9.604 $9.502	Min.: 1 Mult.: 1

Circular Locking Connectors & Cable Assemblies

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Circular Locking Connectors & Cable Assemblies

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