{"id":1293,"date":"2026-01-22T02:53:03","date_gmt":"2026-01-22T02:53:03","guid":{"rendered":"https:\/\/hysfsubsea.com\/?post_type=product&p=1293"},"modified":"2026-10-24T05:19:50","modified_gmt":"2026-10-24T05:19:50","slug":"mcdc5m-5-pin-male-underwater-dummy-plug","status":"publish","type":"product","link":"https:\/\/hysfsubsea.com\/ru\/product\/mcdc5m-5-pin-male-underwater-dummy-plug\/","title":{"rendered":"MCDC5M 5-Pin Male Underwater Dummy Plug \u2013 SubConn-Compatible Micro Circular Connector | HYSF SUBSEA"},"content":{"rendered":"

MCDC5M 5-Pin Male Underwater Dummy Plug \u2013 SubConn-Compatible Protective Connector<\/h2>\n

\u0421\u0430\u0439\u0442 HYSF SUBSEA MCDC5M 5-Pin Male Underwater Dummy Plug<\/strong> is a compact, durable, and SubConn-compatible protective connector designed to seal and protect unused 5-pin female Micro Circular underwater connectors. It provides a reliable protective interface against seawater exposure, sediment, contamination, and mechanical damage during subsea deployment, transportation, storage, and equipment maintenance.<\/p>\n

Manufactured by HYSF SUBSEA<\/strong>, the MCDC5M is designed for marine and underwater applications, including remotely operated vehicles (ROVs), autonomous underwater vehicles (AUVs), underwater cameras, subsea sensors, oceanographic instruments, and marine monitoring systems.<\/p>\n

This 5-pin male dummy connector is compatible with corresponding 5-pin female Micro Circular connectors, including the MCBH5F female bulkhead connector<\/strong> \u0438 MCIL5F female inline connector<\/strong>. Its compact molded construction makes it suitable for underwater equipment where installation space is limited.<\/p>\n

The MCDC5M belongs to the HYSF SUBSEA Micro Circular connector series, designed for demanding marine environments and deepwater applications up to 6,000 meters (60 MPa) when used in a correctly configured and qualified mating assembly.<\/p>\n

Key Features and Benefits<\/h3>\n

1. Reliable Underwater Connector Protection<\/strong><\/p>\n

The MCDC5M protects the mating interface of an unused female underwater connector.<\/p>\n

By covering the connector face, the dummy plug helps prevent the accumulation of marine sediment, debris, and other contaminants that could affect subsequent connector mating and sealing performance.<\/p>\n

It is particularly useful for underwater equipment containing spare connector ports that are not continuously connected to electrical cable assemblies.<\/p>\n

2. SubConn-Compatible Micro Circular Design<\/strong><\/p>\n

The HYSF SUBSEA MCDC5M is designed for compatibility with corresponding MacArtney SubConn Micro Circular 5-pin female connector interfaces.<\/p>\n

This makes it a practical replacement or alternative protective accessory for subsea equipment using SubConn-style connectors.<\/p>\n

HYSF SUBSEA manufactures compatible connector products independently and does not represent the MCDC5M as an original MacArtney SubConn product.<\/p>\n

3. Compact and Lightweight Construction<\/strong><\/p>\n

The miniature connector design is well suited for applications where space and weight are critical.<\/p>\n

Its compact profile supports installation on small underwater vehicles, instrument housings, subsea junction boxes, and marine electronic systems.<\/p>\n

4. Marine-Resistant Molded Body<\/strong><\/p>\n

The MCDC5M features a molded protective body designed for marine environments.<\/p>\n

Its construction helps protect the mating interface from exposure to seawater and harsh operating conditions.<\/p>\n

5. Suitable for Deepwater Applications<\/strong><\/p>\n

The HYSF SUBSEA Micro Circular series is designed for subsea applications up to 6,000 meters (60 MPa).<\/p>\n

The MCDC5M can be used in these environments when paired with a compatible female connector and suitable retention hardware, provided that the complete assembly is qualified for the intended operating depth.<\/p>\n

6. Convenient Installation and Maintenance<\/strong><\/p>\n

The MCDC5M provides a practical way to protect unused female connector interfaces without modifying the existing underwater equipment.<\/p>\n

For secure retention during subsea operation, an appropriate Micro Circular locking sleeve should be selected according to the mating configuration.<\/p>\n

\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438<\/th>\n<\/tr>\n
Brand<\/td>\nHYSF SUBSEA<\/td>\n<\/tr>\n
\u041c\u043e\u0434\u0435\u043b\u044c<\/td>\nMCDC5M<\/td>\n<\/tr>\n
Product Type<\/td>\nUnderwater Dummy Plug<\/td>\n<\/tr>\n
Connector Series<\/td>\nMicro Circular<\/td>\n<\/tr>\n
\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u043e\u043d\u0442\u0430\u043a\u0442\u043e\u0432<\/td>\n5-Pin<\/td>\n<\/tr>\n
Gender<\/td>\nMale<\/td>\n<\/tr>\n
Compatible Connector Gender<\/td>\nFemale<\/td>\n<\/tr>\n
Compatible HYSF Models<\/td>\nMCBH5F, MCIL5F<\/td>\n<\/tr>\n
\u0421\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c<\/td>\nSubConn Micro Circular 5-Pin Female Interface<\/td>\n<\/tr>\n
\u041c\u0430\u0442\u0435\u0440\u0438\u0430\u043b \u043a\u043e\u0440\u043f\u0443\u0441\u0430<\/td>\nMolded Marine-Grade Elastomer<\/td>\n<\/tr>\n
Application Depth<\/td>\nUp to 6,000 Meters in a Qualified Assembly<\/td>\n<\/tr>\n
Pressure Rating<\/td>\nUp to 60 MPa in the Specified Configuration<\/td>\n<\/tr>\n
Mating Type<\/td>\nWet-Mateable Micro Circular Interface<\/td>\n<\/tr>\n
Primary Function<\/td>\nConnector Protection and Sealing<\/td>\n<\/tr>\n
Recommended Accessory<\/td>\nCompatible Micro Circular Locking Sleeve<\/td>\n<\/tr>\n
\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/td>\nROV, AUV, Subsea Sensors, Underwater Cameras, Marine Equipment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Important:<\/strong> The MCDC5M is a protective dummy plug, not an active electrical cable connector. It is not intended to transmit power or electrical signals.<\/p>\n

Compatible Underwater Connectors<\/h3>\n

The MCDC5M is designed to mate with corresponding 5-pin female Micro Circular underwater connectors.<\/p>\n

MCBH5F \u2013 5-Pin Female Bulkhead Connector<\/h4>\n

The HYSF MCBH5F is a female bulkhead underwater connector designed for installation on pressure housings, subsea junction boxes, underwater camera systems, and marine instrumentation enclosures.<\/p>\n

When the connector is not connected to an active cable assembly, the MCDC5M can protect its exposed female mating interface.<\/p>\n

Typical applications include unused connector ports on ROV housings, spare sensor connections, underwater lighting systems, and subsea electronic enclosures.<\/p>\n

MCIL5F \u2013 5-Pin Female Inline Connector<\/h4>\n

The HYSF MCIL5F is a female inline underwater connector commonly used in subsea cable assemblies.<\/p>\n

The MCDC5M provides protection for this connector during equipment storage, transportation, maintenance, and periods when the cable assembly is disconnected.<\/p>\n

SubConn Micro Circular Compatibility<\/h4>\n

The HYSF SUBSEA MCDC5M is designed to provide mating compatibility with corresponding SubConn Micro Circular 5-pin female connector interfaces.<\/p>\n

For mixed-brand assemblies, customers should confirm the connector dimensions, mating configuration, and locking sleeve compatibility before installation.<\/p>\n

Note:<\/strong> The MCDC5M male dummy plug is not designed to mate with male connectors such as MCBH5M or MCIL5M. These require a compatible female dummy plug, such as the HYSF MCDC5F.<\/p>\n

\u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f<\/h3>\n

1. ROV and AUV Systems<\/h4>\n

Remotely operated vehicles and autonomous underwater vehicles frequently incorporate multiple underwater electrical connectors for cameras, sensors, lighting, navigation, and auxiliary equipment.<\/p>\n

Some connector ports remain unused during specific missions.<\/p>\n

The MCDC5M helps protect compatible unused female connectors during underwater deployment, recovery, and maintenance.<\/p>\n

2. Underwater Cameras and Lighting<\/h4>\n

Underwater camera and lighting systems require dependable electrical connections in seawater environments.<\/p>\n

When equipment is disconnected or temporarily removed, the MCDC5M provides a protective solution for compatible female connector interfaces.<\/p>\n

This is especially useful for modular underwater imaging systems.<\/p>\n

3. Oceanographic Research and Marine Monitoring<\/h4>\n

Oceanographic instruments use underwater connectors for data acquisition, sensor communication, and power distribution.<\/p>\n

The MCDC5M is suitable for protecting spare or temporarily disconnected female connector ports on marine monitoring equipment, environmental sensors, and underwater research platforms.<\/p>\n

4. Subsea Junction Boxes<\/h4>\n

Subsea junction boxes often include additional connector ports for future system expansion.<\/p>\n

A compatible dummy plug helps protect these unused connections from environmental exposure until new equipment is installed.<\/p>\n

5. Offshore Engineering Equipment<\/h4>\n

The MCDC5M can also be used during offshore equipment assembly, transportation, inspection, maintenance, and subsea deployment preparation.<\/p>\n

It offers a practical protective accessory for marine engineering teams managing multiple underwater connector interfaces.<\/p>\n

Why Is an Underwater Dummy Plug Important?<\/h3>\n

An unused underwater connector can be exposed to seawater, sediment, physical contact, and environmental contamination.<\/p>\n

Over time, contamination or damage to the mating interface may affect connector performance and reliability.<\/p>\n

Installing a suitable underwater dummy plug helps protect the mating surface during periods when an electrical connection is unnecessary.<\/p>\n

Unlike a basic dust cap designed only for dry storage, a correctly rated subsea dummy connector is intended for use within a specified underwater mating configuration.<\/p>\n

However, the pressure capability of the complete installation depends on the working connector, mating interface, retention system, and equipment design.<\/p>\n

Installation Recommendations<\/h3>\n

For reliable operation, HYSF SUBSEA recommends the following installation practices:<\/p>\n

Step 1: Check Compatibility<\/strong><\/p>\n

Confirm that the connector to be protected is a compatible 5-pin female Micro Circular connector.<\/p>\n

Step 2: Inspect the Mating Interface<\/strong><\/p>\n

Check both connector surfaces for visible damage, contamination, or foreign material before installation.<\/p>\n

Step 3: Align the Connector<\/strong><\/p>\n

Carefully align the male dummy plug with the female connector interface. Do not force the connection.<\/p>\n

Step 4: Secure the Assembly<\/strong><\/p>\n

Use the appropriate locking sleeve or specified retention hardware to prevent accidental disconnection.<\/p>\n

Step 5: Perform Regular Inspection<\/strong><\/p>\n

Inspect the dummy plug and connector after retrieval for wear, damage, debris, or corrosion.<\/p>\n

Follow approved connector cleaning and maintenance procedures before reuse.<\/p>\n

Why Choose HYSF SUBSEA?<\/h3>\n

HYSF SUBSEA<\/strong> is a manufacturer specializing in underwater electrical connectors, subsea cable assemblies, bulkhead connectors, and customized marine interconnection solutions.<\/p>\n

Our products support underwater robotics, oceanographic research, marine monitoring, offshore engineering, and industrial subsea equipment.<\/p>\n

We offer:<\/p>\n

    \n
  • Micro Circular underwater connectors and dummy plugs<\/li>\n
  • SubConn-compatible underwater connector alternatives<\/li>\n
  • Male and female bulkhead connectors<\/li>\n
  • Custom underwater cable assemblies<\/li>\n
  • Connector locking sleeves and protective accessories<\/li>\n
  • OEM and ODM manufacturing support<\/li>\n
  • High-pressure testing and quality inspection<\/li>\n
  • Technical assistance with connector compatibility and selection<\/li>\n<\/ul>\n

    Our team supports international customers seeking reliable underwater connection solutions for prototype development, equipment maintenance, and volume production.<\/p>\n

    \u0427\u0430\u0441\u0442\u043e \u0437\u0430\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b (FAQ)<\/h3>\n

    Q1: What is the MCDC5M underwater dummy plug used for?<\/h4>\n

    The MCDC5M is designed to protect unused 5-pin female Micro Circular underwater connectors from contamination, seawater exposure, and mechanical damage.<\/p>\n

    It is a protective accessory rather than an active electrical connector.<\/p>\n

    Q2: Is the HYSF MCDC5M compatible with SubConn connectors?<\/h4>\n

    Yes. The MCDC5M is designed for compatibility with corresponding SubConn Micro Circular 5-pin female connector interfaces.<\/p>\n

    Customers should verify the exact mating configuration for critical applications.<\/p>\n

    Q3: Can the MCDC5M connect to MCBH5F and MCIL5F?<\/h4>\n

    Yes. The MCDC5M is designed for compatible 5-pin female connectors, including HYSF MCBH5F and MCIL5F.<\/p>\n

    It cannot be used with male connector interfaces.<\/p>\n

    Q4: Is the MCDC5M suitable for deepwater applications?<\/h4>\n

    The MCDC5M belongs to the HYSF SUBSEA Micro Circular series, designed for applications up to 6,000 meters (60 MPa).<\/p>\n

    The complete mated connector assembly must be suitable and qualified for the intended operating conditions.<\/p>\n

    Q5: Does the MCDC5M transmit electrical power or signals?<\/h4>\n

    No. The MCDC5M is a protective dummy connector intended to cover and protect an unused underwater connector interface.<\/p>\n

    It does not function as an active electrical cable connection.<\/p>\n

    Q6: What is the difference between MCDC5M and MCDC5F?<\/h4>\n

    The MCDC5M is a male dummy plug for compatible female underwater connectors.<\/p>\n

    The MCDC5F is a female dummy plug for compatible male underwater connectors.<\/p>\n

    Q7: Do I need a locking sleeve?<\/h4>\n

    A compatible locking sleeve is recommended for secure subsea retention.<\/p>\n

    The appropriate model depends on the mating connector configuration and should be confirmed before ordering.<\/p>\n

    Order MCDC5M 5-Pin Male Underwater Dummy Plugs from HYSF SUBSEA<\/h3>\n

    If you are looking for an MCDC5M 5-pin male underwater dummy plug, SubConn-compatible Micro Circular dummy connector, underwater protective cap, or replacement subsea connector accessory<\/strong>, HYSF SUBSEA can support your requirements.<\/p>\n

    We supply underwater connectors and related accessories for ROV manufacturers, AUV developers, marine equipment manufacturers, oceanographic research organizations, and subsea engineering companies.<\/p>\n

    Contact HYSF SUBSEA for product information, technical compatibility assistance, and quotations.<\/p>","protected":false},"excerpt":{"rendered":"

    \u0421\u0430\u0439\u0442 HYSF SUBSEA MCDC5M<\/strong> is a SubConn-compatible 5-pin male underwater dummy plug designed to protect unused Micro Circular female connectors. Compatible with MCBH5F and MCIL5F interfaces, it features compact, marine-resistant molded construction for reliable subsea connector protection.<\/p>\n

    Designed for ROVs, AUVs, underwater cameras, marine sensors, and oceanographic equipment, the MCDC5M supports deepwater applications up to 6,000 meters (60 MPa) in a qualified mating configuration.<\/p>\n

    Key Features:<\/strong><\/p>\n

      \n
    • 5-pin male Micro Circular dummy plug<\/li>\n
    • SubConn-compatible mating interface<\/li>\n
    • Compatible with MCBH5F and MCIL5F<\/li>\n
    • Protects unused female underwater connectors<\/li>\n
    • Compact, marine-resistant molded body<\/li>\n
    • Designed for deepwater applications<\/li>\n
    • Suitable for ROV, AUV, and subsea instrumentation<\/li>\n<\/ul>","protected":false},"featured_media":8627,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[30],"product_cat":[31],"product_tag":[],"class_list":["post-1293","product","type-product","status-publish","has-post-thumbnail","product_brand-hysf","product_cat-miniature-circular-connectors","pa_body-material-neoprene-rubber-standard","pa_connector-type-dummy-plug","pa_electrical-rating-550v-10a","pa_mounting-thread-7-16-20-unf","pa_number-of-contacts-5-pin","pa_series-miniature-series","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/product\/1293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/comments?post=1293"}],"version-history":[{"count":4,"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/product\/1293\/revisions"}],"predecessor-version":[{"id":9193,"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/product\/1293\/revisions\/9193"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/media\/8627"}],"wp:attachment":[{"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/media?parent=1293"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/product_brand?post=1293"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/product_cat?post=1293"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hysfsubsea.com\/ru\/wp-json\/wp\/v2\/product_tag?post=1293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}