{"id":1493,"date":"2026-01-22T06:25:10","date_gmt":"2026-01-22T06:25:10","guid":{"rendered":"https:\/\/hysfsubsea.com\/?post_type=product&p=1493"},"modified":"2026-10-24T11:18:16","modified_gmt":"2026-10-24T11:18:16","slug":"mcil21m-21-pin-male-inline-underwater-connector","status":"publish","type":"product","link":"https:\/\/hysfsubsea.com\/ja\/product\/mcil21m-21-pin-male-inline-underwater-connector\/","title":{"rendered":"MCIL21M 21-Pin Male Inline Underwater Connector \u2013 SubConn Compatible | HYSF SUBSEA"},"content":{"rendered":"

MCIL21M 21-Pin Male Inline Underwater Connector for Deep-Sea Applications<\/h2>\n

The MCIL21M 21-pin male inline underwater connector<\/strong> from HYSF SUBSEA<\/strong> is a high-density electrical connector designed to provide reliable multi-circuit connectivity in demanding marine and subsea environments.<\/p>\n

Featuring 21 male electrical contacts, a durable neoprene rubber body, and a compact Micro Circular interface, the MCIL21M is suitable for applications requiring multiple electrical connections within a single underwater cable assembly.<\/p>\n

The connector is widely applicable to remotely operated vehicles (ROVs), autonomous underwater vehicles (AUVs), oceanographic research equipment, underwater sensor networks, marine monitoring systems, and offshore instrumentation.<\/p>\n

As part of the HYSF SUBSEA Micro Circular connector series, the MCIL21M is designed for operation in underwater environments with pressure conditions reaching approximately 60 MPa<\/strong>, equivalent to 6,000 meters of seawater<\/strong>, when used in a properly configured and qualified assembly.<\/p>\n

The MCIL21M is designed to mate with corresponding 21-pin female Micro Circular connectors, including the MCBH21F female bulkhead connector<\/strong> and MCIL21F female inline connector<\/strong>.<\/p>\n

Supplied with a standard 1-meter cable<\/strong>, the MCIL21M can also be configured with customized cable lengths and wiring arrangements to meet the requirements of different underwater equipment projects.<\/p>\n

Key Features of the MCIL21M Underwater Connector<\/h3>\n

The MCIL21M combines a high contact count with a compact mechanical structure suitable for demanding subsea installations.<\/p>\n

Key features include:<\/strong><\/p>\n

    \n
  • 21-pin male configuration:<\/strong> Provides 21 individual electrical contacts for multi-circuit underwater connections.<\/li>\n
  • Micro Circular connector design:<\/strong> Suitable for subsea equipment requiring high-density electrical interfaces.<\/li>\n
  • Wet-mateable construction:<\/strong> Supports underwater mating and unmating under appropriate operating conditions.<\/li>\n
  • Deep-sea pressure capability:<\/strong> Designed as part of a connector series rated for approximately 6,000 meters of seawater depth.<\/li>\n
  • Durable neoprene rubber body:<\/strong> Provides flexibility and resistance to marine environmental conditions.<\/li>\n
  • Gold-plated electrical contacts:<\/strong> Helps maintain stable contact resistance and reliable electrical connections.<\/li>\n
  • SubConn-compatible interface:<\/strong> Designed for corresponding SubConn-style Micro Circular connector configurations.<\/li>\n
  • Standard 1-meter cable:<\/strong> Provides convenient integration into underwater electrical systems.<\/li>\n
  • Custom cable lengths:<\/strong> Supports OEM projects requiring specific installation dimensions.<\/li>\n
  • Multi-signal connectivity:<\/strong> Suitable for multiple independent control, monitoring, and instrumentation circuits.<\/li>\n
  • Compatible connector options:<\/strong> Can be paired with corresponding female bulkhead and inline connectors.<\/li>\n<\/ul>\n

    These features make the MCIL21M a practical choice for engineers searching for a 21-pin male underwater cable connector for ROVs, AUVs, and subsea sensors<\/strong>.<\/p>\n

    MCIL21M Technical Specifications<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n\u4ed5\u69d8<\/th>\n<\/tr>\n
    Brand<\/td>\nHYSF SUBSEA<\/td>\n<\/tr>\n
    Model Number<\/td>\nMCIL21M<\/td>\n<\/tr>\n
    Connector Series<\/td>\nMicro Circular<\/td>\n<\/tr>\n
    Product Type<\/td>\nMale Inline Underwater Connector<\/td>\n<\/tr>\n
    \u30b3\u30f3\u30bf\u30af\u30c8\u6570<\/td>\n21<\/td>\n<\/tr>\n
    Contact Gender<\/td>\nMale<\/td>\n<\/tr>\n
    Contact Finish<\/td>\nGold-Plated<\/td>\n<\/tr>\n
    Standard Body Material<\/td>\nNeoprene Rubber<\/td>\n<\/tr>\n
    Rated Current<\/td>\n5 A per Contact<\/td>\n<\/tr>\n
    Voltage Rating<\/td>\nUp to 550 V AC\/DC, Depending on Configuration<\/td>\n<\/tr>\n
    Maximum Series Pressure Rating<\/td>\n60 MPa<\/td>\n<\/tr>\n
    Approximate Depth Rating<\/td>\n6,000 m Seawater<\/td>\n<\/tr>\n
    Standard Cable Length<\/td>\n1 Meter<\/td>\n<\/tr>\n
    Compatible Female Bulkhead Connector<\/td>\nMCBH21F<\/td>\n<\/tr>\n
    Compatible Female Inline Connector<\/td>\nMCIL21F<\/td>\n<\/tr>\n
    Protective Dummy Connector<\/td>\nMCDC21F<\/td>\n<\/tr>\n
    Connector Technology<\/td>\nWet-Mateable Micro Circular<\/td>\n<\/tr>\n
    Brand Compatibility<\/td>\nCorresponding SubConn and SEACON Interfaces<\/td>\n<\/tr>\n
    \u30ab\u30b9\u30bf\u30e0\u30b1\u30fc\u30d6\u30eb\u30a2\u30bb\u30f3\u30d6\u30ea<\/td>\nAvailable<\/td>\n<\/tr>\n
    Warranty<\/td>\n12 Months<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Technical Note:<\/strong> Electrical performance, pressure capability, cable specifications, and mating compatibility depend on the complete connector configuration. The applicable current rating should be verified against the conductor size and expected operating conditions.<\/p>\n

    High-Density 21-Pin Electrical Connectivity<\/h3>\n

    Modern underwater equipment often requires multiple electrical circuits for sensors, control systems, monitoring devices, and auxiliary equipment.<\/p>\n

    A typical underwater research system may include several instruments that need electrical power, measurement signals, control commands, and diagnostic connections.<\/p>\n

    Using separate connectors for every circuit can increase the number of connection points, complicate cable management, and require additional installation space.<\/p>\n

    The MCIL21M 21-contact underwater electrical connector<\/strong> helps address these challenges by combining 21 electrical contacts within one compact Micro Circular connector interface.<\/p>\n

    This arrangement provides engineers with flexibility when designing complex subsea wiring systems.<\/p>\n

    Possible applications include:<\/p>\n

      \n
    • Underwater sensor signal transmission<\/li>\n
    • ROV equipment control circuits<\/li>\n
    • AUV instrumentation connections<\/li>\n
    • Low-power auxiliary equipment<\/li>\n
    • Multi-channel monitoring systems<\/li>\n
    • Oceanographic data acquisition<\/li>\n
    • Underwater actuator feedback signals<\/li>\n
    • Marine electronic instrumentation<\/li>\n
    • Subsea diagnostic connections<\/li>\n<\/ul>\n

      The exact function assigned to each contact depends on the customer’s electrical design.<\/p>\n

      For projects combining power and signal circuits, engineers should evaluate current loading, conductor size, voltage drop, shielding, electromagnetic interference, and cable construction.<\/p>\n

      A 21-pin configuration provides multiple electrical connections but does not automatically guarantee compatibility with a particular high-speed communication protocol.<\/p>\n

      Applications involving Ethernet or other high-frequency signals should be evaluated using the complete cable assembly.<\/p>\n

      Wet-Mateable Connector Design<\/h3>\n

      The MCIL21M belongs to the HYSF SUBSEA Micro Circular wet-mateable connector family.<\/p>\n

      Wet-mateable underwater connectors are designed to support connection and disconnection in submerged environments when compatible mating components are used.<\/p>\n

      This capability is particularly valuable for equipment requiring periodic maintenance or replacement.<\/p>\n

      Typical examples include:<\/p>\n

        \n
      • ROV payload changes<\/li>\n
      • Underwater instrument servicing<\/li>\n
      • AUV module replacement<\/li>\n
      • Subsea cable maintenance<\/li>\n
      • Marine research equipment installation<\/li>\n
      • Underwater sensor replacement<\/li>\n<\/ul>\n

        The MCIL21M features a male mating interface designed to engage with a corresponding female connector.<\/p>\n

        During mating, the connector should be correctly aligned and its mating surfaces should be inspected for contamination or damage.<\/p>\n

        The connector should not be forced into an incompatible interface.<\/p>\n

        Unless the complete electrical system has been specifically approved for energized mating, power should be switched off before connecting or disconnecting underwater connectors.<\/p>\n

        Durable Neoprene Rubber Construction<\/h3>\n

        The MCIL21M features a molded neoprene rubber body intended for demanding marine environments.<\/p>\n

        Neoprene is commonly used in underwater electrical connectors because it provides flexibility and resistance to moisture.<\/p>\n

        The molded construction helps protect the internal electrical contacts and cable termination against environmental exposure.<\/p>\n

        Subsea connectors may experience:<\/p>\n

          \n
        • Continuous contact with seawater<\/li>\n
        • High hydrostatic pressure<\/li>\n
        • Equipment vibration<\/li>\n
        • Mechanical handling<\/li>\n
        • Repeated deployment and recovery<\/li>\n
        • Offshore weather conditions<\/li>\n
        • Extended underwater operation<\/li>\n<\/ul>\n

          The MCIL21M is designed with these operating challenges in mind.<\/p>\n

          Its gold-plated male contacts provide a stable electrical mating surface.<\/p>\n

          Gold plating is commonly used in high-reliability electrical connectors to reduce contact corrosion and support consistent electrical performance.<\/p>\n

          For reliable long-term operation, proper inspection, cleaning, and connector handling remain important.<\/p>\n

          Deep-Sea Pressure Capability up to 6,000 Meters<\/h3>\n

          The HYSF SUBSEA Micro Circular connector series is designed for underwater pressure conditions reaching approximately 60 MPa<\/strong>.<\/p>\n

          This corresponds to an approximate seawater depth of 6,000 meters<\/strong>.<\/p>\n

          The MCIL21M is therefore suitable for consideration in demanding deep-sea applications, including oceanographic instruments, underwater robotic platforms, and subsea monitoring equipment.<\/p>\n

          However, connector depth capability must be evaluated in the context of the complete installed assembly.<\/p>\n

          Important factors include:<\/p>\n

            \n
          1. Correct male-to-female connector mating<\/li>\n
          2. Compatible sealing surfaces<\/li>\n
          3. Appropriate cable construction<\/li>\n
          4. Reliable cable termination<\/li>\n
          5. Proper locking and mechanical retention<\/li>\n
          6. Environmental operating conditions<\/li>\n
          7. Verification of the complete assembly<\/li>\n<\/ol>\n

            For critical underwater systems, qualification testing should reflect the intended operating pressure and installation conditions.<\/p>\n

            Standard 1-Meter Cable and Custom Cable Lengths<\/h3>\n

            The standard MCIL21M configuration is supplied with approximately 1 meter of cable<\/strong>.<\/p>\n

            This length is suitable for many equipment integration and testing applications.<\/p>\n

            However, cable length requirements can vary significantly depending on the system.<\/p>\n

            For example, a compact underwater sensor may require a short connection to a nearby pressure housing, while a larger ROV or oceanographic platform may require a longer cable assembly.<\/p>\n

            HYSF SUBSEA supports customized cable configurations for OEM projects.<\/p>\n

            Available customization options may include:<\/p>\n

              \n
            • Customized cable lengths<\/li>\n
            • Alternative cable specifications<\/li>\n
            • Project-specific conductor arrangements<\/li>\n
            • Customized wire identification<\/li>\n
            • Customer-defined pin assignments<\/li>\n
            • Male-to-female cable assemblies<\/li>\n
            • Open-ended underwater cable assemblies<\/li>\n
            • Specialized subsea equipment connections<\/li>\n<\/ul>\n

              For example, an MCIL21M to MCIL21F underwater cable assembly<\/strong> can be configured with a project-specific cable length.<\/p>\n

              The required wiring arrangement should be defined before production and confirmed in the approved technical documentation.<\/p>\n

              Compatible Mating Connectors<\/h3>\n

              The MCIL21M is a male inline connector with 21 male electrical contacts.<\/p>\n

              It is designed to mate with corresponding female Micro Circular connectors.<\/p>\n

              MCBH21F \u2013 21-Pin Female Bulkhead Connector<\/h4>\n

              The MCBH21F<\/strong> is a panel-mounted female underwater connector designed for installation on subsea equipment housings.<\/p>\n

              When paired with the MCIL21M, it provides a detachable connection between an external underwater cable and the internal electronics of a pressure-resistant enclosure.<\/p>\n

              A typical configuration is:<\/p>\n

              MCIL21M Male Inline Cable \u2192 MCBH21F Female Bulkhead Connector \u2192 Internal Equipment Wiring<\/strong><\/p>\n

              This arrangement is suitable for underwater electronic housings, ROV control modules, oceanographic instruments, and subsea monitoring equipment.<\/p>\n

              The corresponding MCBH21F bulkhead family uses a 5\/8-18 UNF-2A mounting thread<\/strong>. Final mounting dimensions should be confirmed from its approved technical drawing.<\/p>\n

              MCIL21F \u2013 21-Pin Female Inline Connector<\/h4>\n

              The MCIL21F<\/strong> is the corresponding female inline underwater connector.<\/p>\n

              It can be paired with the MCIL21M to form a detachable cable-to-cable connection.<\/p>\n

              A typical arrangement is:<\/p>\n

              MCIL21M Male Inline Connector \u2192 MCIL21F Female Inline Connector<\/strong><\/p>\n

              This configuration is useful for underwater cable extensions and modular electrical systems.<\/p>\n

              Protective Dummy Connector: MCDC21F<\/h3>\n

              When the MCIL21M is disconnected from its mating female connector, its exposed male electrical contacts should be protected.<\/p>\n

              The corresponding protective accessory is the MCDC21F 21-pin female dummy connector<\/strong>.<\/p>\n

              The MCDC21F is designed to cover and protect compatible male connector interfaces during storage, transportation, maintenance, and periods when the working electrical connection is not required.<\/p>\n

              A suitable protective dummy connector helps reduce the risk of contamination and mechanical damage.<\/p>\n

              The MCDC21F is a protective accessory rather than a functional electrical connector.<\/p>\n

              SubConn and SEACON Compatible Design<\/h3>\n

              HYSF SUBSEA manufactures Micro Circular underwater connectors designed for compatibility with corresponding SubConn and SEACON connector interfaces.<\/p>\n

              The MCIL21M provides an alternative for customers seeking a SubConn-compatible 21-pin male inline underwater connector<\/strong>.<\/p>\n

              This is particularly relevant for subsea equipment manufacturers and maintenance teams working with existing Micro Circular connector systems.<\/p>\n

              However, engineers should verify the exact mating configuration before using connectors from different manufacturers.<\/p>\n

              Important considerations include:<\/p>\n

                \n
              • Contact count and arrangement<\/li>\n
              • Male or female interface<\/li>\n
              • Connector dimensions<\/li>\n
              • Mechanical keying<\/li>\n
              • Locking mechanism<\/li>\n
              • Electrical ratings<\/li>\n
              • Cable wiring configuration<\/li>\n<\/ul>\n

                The MCIL21M should not be confused with Standard Circular connectors or dedicated Ethernet-series connectors.<\/p>\n

                Typical Applications of the MCIL21M<\/h3>\n

                1. Remotely Operated Vehicles (ROVs)<\/h4>\n

                ROVs commonly require electrical connections for cameras, sensors, control equipment, and auxiliary systems.<\/p>\n

                The MCIL21M provides a compact interface for integrating multiple circuits into a single subsea cable connection.<\/p>\n

                2. Autonomous Underwater Vehicles (AUVs)<\/h4>\n

                AUVs often contain numerous electronic instruments within limited installation space.<\/p>\n

                The high-density 21-pin design is suitable for modular electrical connections between external equipment and underwater control systems.<\/p>\n

                3. Oceanographic Research Equipment<\/h4>\n

                Marine research platforms may require multiple electrical channels for measurement instruments and monitoring equipment.<\/p>\n

                The MCIL21M can be used in suitable underwater cable assemblies connecting these devices.<\/p>\n

                4. Subsea Sensor Networks<\/h4>\n

                Underwater monitoring platforms frequently integrate several sensors and control circuits.<\/p>\n

                A 21-pin connector provides flexibility for multi-channel electrical interfaces.<\/p>\n

                5. Sonar and Hydrophone Systems<\/h4>\n

                Underwater acoustic equipment may use multiple signal channels and auxiliary power connections.<\/p>\n

                The MCIL21M can be considered for these applications when the proposed cable design meets the required electrical and signal-integrity specifications.<\/p>\n

                6. Offshore Inspection Equipment<\/h4>\n

                Marine inspection systems require reliable electrical connections in harsh operating environments.<\/p>\n

                The MCIL21M offers a compact solution for appropriately rated subsea instrumentation and control applications.<\/p>\n

                Standard 21-Pin Wire Color Identification<\/h3>\n

                For reference, the HYSF SUBSEA Micro Circular 21-pin series uses the following standard cable color identification sequence:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                Pin Number<\/th>\nWire Color<\/th>\n<\/tr>\n
                1<\/td>\nRed<\/td>\n<\/tr>\n
                2<\/td>\nRed\/White<\/td>\n<\/tr>\n
                3<\/td>\nBlack<\/td>\n<\/tr>\n
                4<\/td>\nBlack\/White<\/td>\n<\/tr>\n
                5<\/td>\nYellow<\/td>\n<\/tr>\n
                6<\/td>\nYellow\/White<\/td>\n<\/tr>\n
                7<\/td>\nBlue<\/td>\n<\/tr>\n
                8<\/td>\nBlue\/White<\/td>\n<\/tr>\n
                9<\/td>\nOrange<\/td>\n<\/tr>\n
                10<\/td>\nOrange\/White<\/td>\n<\/tr>\n
                11<\/td>\nBrown<\/td>\n<\/tr>\n
                12<\/td>\nBrown\/White<\/td>\n<\/tr>\n
                13<\/td>\nPurple<\/td>\n<\/tr>\n
                14<\/td>\nPurple\/White<\/td>\n<\/tr>\n
                15<\/td>\nGreen<\/td>\n<\/tr>\n
                16<\/td>\nGreen\/White<\/td>\n<\/tr>\n
                17<\/td>\nPink<\/td>\n<\/tr>\n
                18<\/td>\nPink\/White<\/td>\n<\/tr>\n
                19<\/td>\nLight Blue<\/td>\n<\/tr>\n
                20<\/td>\nLight Blue\/White<\/td>\n<\/tr>\n
                21<\/td>\nGrey<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                Note:<\/strong> This sequence is the standard series reference. Custom cable assemblies may use different conductor colors or wiring arrangements. Always follow the approved wiring diagram for the specific product configuration.<\/p>\n

                Quality Control and Testing<\/h3>\n

                Electrical connector reliability is especially important for subsea equipment.<\/p>\n

                HYSF SUBSEA applies quality-control processes designed to support reliable underwater connector performance.<\/p>\n

                Depending on the product configuration, testing may include:<\/p>\n

                  \n
                • Hydrostatic pressure testing<\/li>\n
                • Electrical continuity testing<\/li>\n
                • Insulation resistance testing<\/li>\n
                • Dielectric withstand testing<\/li>\n
                • Contact inspection<\/li>\n
                • Connector mating verification<\/li>\n
                • Cable assembly inspection<\/li>\n
                • Visual inspection of molded components<\/li>\n
                • Mechanical and environmental testing<\/li>\n<\/ul>\n

                  Additional testing requirements can be considered for projects with specific operating conditions.<\/p>\n

                  Frequently Asked Questions<\/h3>\n

                  What is the MCIL21M?<\/h4>\n

                  The MCIL21M is a 21-pin male Micro Circular underwater inline connector manufactured by HYSF SUBSEA. It is designed for multi-circuit electrical connections in subsea environments.<\/p>\n

                  Is MCIL21M a male or female connector?<\/h4>\n

                  The MCIL21M is a male connector<\/strong> featuring 21 male electrical contacts.<\/p>\n

                  Which connector mates with MCIL21M?<\/h4>\n

                  The recommended mating connectors are the MCBH21F female bulkhead connector<\/strong> and MCIL21F female inline connector<\/strong>.<\/p>\n

                  What is the standard cable length?<\/h4>\n

                  The standard MCIL21M cable length is 1 meter<\/strong>. Customized cable lengths are available for OEM applications.<\/p>\n

                  What is the maximum operating depth?<\/h4>\n

                  The standard Micro Circular connector series is designed for pressures up to 60 MPa<\/strong>, approximately equivalent to 6,000 meters of seawater<\/strong>, subject to complete assembly qualification.<\/p>\n

                  Is MCIL21M compatible with SubConn connectors?<\/h4>\n

                  The MCIL21M is designed for corresponding SubConn-style Micro Circular interfaces. Exact mechanical and electrical compatibility should be confirmed before cross-brand mating.<\/p>\n

                  What is the rated current of MCIL21M?<\/h4>\n

                  The standard series is rated at 5 A per contact<\/strong>. Actual allowable loading depends on conductor size, simultaneous circuit use, and operating conditions.<\/p>\n

                  Can MCIL21M be used for both power and signals?<\/h4>\n

                  Yes. Different contacts can be assigned to appropriate power and signal circuits, provided the complete electrical design satisfies the applicable requirements.<\/p>\n

                  Which dummy connector protects MCIL21M?<\/h4>\n

                  The corresponding protective accessory is the MCDC21F 21-pin female dummy connector<\/strong>.<\/p>\n

                  Can the cable length be customized?<\/h4>\n

                  Yes. HYSF SUBSEA supports custom cable lengths, wiring arrangements, and complete underwater cable assemblies for OEM projects.<\/p>\n

                  High-Density 21-Pin Underwater Connectivity<\/h3>\n

                  The HYSF SUBSEA MCIL21M 21-pin male inline underwater connector<\/strong> provides a compact, configurable electrical interface for demanding marine equipment.<\/p>\n

                  With its 21-contact arrangement, durable neoprene rubber body, gold-plated contacts, and deep-sea pressure capability, the MCIL21M is suitable for underwater robotics, oceanographic research, marine monitoring, and subsea instrumentation.<\/p>\n

                  For engineers searching for a 21-pin male underwater cable connector<\/strong>, a SubConn-compatible Micro Circular inline connector<\/strong>, or a deep-sea waterproof connector for ROV and AUV applications<\/strong>, the MCIL21M offers a practical solution within the HYSF SUBSEA Micro Circular connector range.<\/p>","protected":false},"excerpt":{"rendered":"

                  The HYSF SUBSEA MCIL21M<\/strong> is a high-density 21-pin male inline underwater connector<\/strong> designed for reliable multi-circuit electrical connections in demanding marine and deep-sea environments.<\/p>\n

                  Featuring 21 gold-plated male electrical contacts, a durable neoprene rubber body, and a compact Micro Circular design, the MCIL21M is suitable for ROVs, AUVs, oceanographic instruments, underwater sensor systems, and offshore monitoring equipment.<\/p>\n

                  The connector is designed for wet-mateable underwater applications and belongs to the HYSF SUBSEA Micro Circular series, with a standard pressure capability of up to 60 MPa<\/strong>, approximately equivalent to 6,000 meters of seawater<\/strong>.<\/p>\n

                  The standard configuration includes 1 meter of cable<\/strong>, while customized cable lengths and wiring arrangements are available for OEM subsea projects.<\/p>\n

                  \u4e3b\u306a\u4ed5\u69d8<\/h3>\n
                    \n
                  • Brand:<\/strong> HYSF SUBSEA<\/li>\n
                  • Model:<\/strong> MCIL21M<\/li>\n
                  • Product Type:<\/strong> Male Inline Underwater Connector<\/li>\n
                  • Series:<\/strong> Micro Circular<\/li>\n
                  • Contact Configuration:<\/strong> 21-Pin<\/li>\n
                  • Gender:<\/strong> Male<\/li>\n
                  • Contact Finish:<\/strong> Gold-Plated<\/li>\n
                  • Body Material:<\/strong> Neoprene Rubber<\/li>\n
                  • Rated Current:<\/strong> 5 A per Contact<\/li>\n
                  • Voltage Rating:<\/strong> Up to 550 V AC\/DC, Subject to Configuration<\/li>\n
                  • Maximum Series Pressure:<\/strong> 60 MPa<\/li>\n
                  • Approximate Depth Rating:<\/strong> 6,000 Meters<\/li>\n
                  • Standard Cable Length:<\/strong> 1 Meter<\/li>\n
                  • Mating Female Bulkhead Connector:<\/strong> MCBH21F<\/li>\n
                  • Mating Female Inline Connector:<\/strong> MCIL21F<\/li>\n
                  • Protective Dummy Connector:<\/strong> MCDC21F<\/li>\n
                  • Connector Technology:<\/strong> Wet-Mateable<\/li>\n
                  • Compatibility:<\/strong> Corresponding SubConn and SEACON Micro Circular Interfaces<\/li>\n
                  • \u30ab\u30b9\u30bf\u30de\u30a4\u30ba\uff1a<\/strong> Cable Lengths, Wiring Configurations and Cable Assemblies<\/li>\n
                  • Warranty:<\/strong> 12 Months<\/li>\n<\/ul>\n

                    Main Advantages<\/h3>\n
                      \n
                    • High-density 21-pin configuration for multiple electrical circuits<\/li>\n
                    • Compact Micro Circular design for subsea equipment<\/li>\n
                    • Gold-plated male contacts for reliable electrical connections<\/li>\n
                    • Durable neoprene construction for marine environments<\/li>\n
                    • Wet-mateable connector design<\/li>\n
                    • Suitable for deep-sea pressure applications<\/li>\n
                    • Compatible with corresponding female Micro Circular connectors<\/li>\n
                    • Customized cable lengths and wiring arrangements available<\/li>\n
                    • Suitable for OEM underwater equipment integration<\/li>\n<\/ul>\n

                      Typical Applications<\/h3>\n

                      ROV electrical systems, AUV payload connections, underwater sensor networks, oceanographic research instruments, marine monitoring platforms, underwater control modules, sonar equipment, and offshore inspection systems.<\/p>\n

                      The MCIL21M is designed to mate with the MCBH21F female bulkhead connector<\/strong> or MCIL21F female inline connector<\/strong>, providing a detachable underwater electrical connection.<\/p>\n

                      For protection during storage and maintenance, the corresponding accessory is the MCDC21F female dummy connector<\/strong>.<\/p>\n

                      Note:<\/strong> Final electrical performance, pressure rating, and compatibility should be verified for the complete connector and cable assembly.<\/p>","protected":false},"featured_media":8561,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[30],"product_cat":[31],"product_tag":[],"class_list":["post-1493","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-cable-plug","pa_electrical-rating-550v-10a","pa_mounting-thread-7-16-20-unf","pa_number-of-contacts-21-pin","pa_series-miniature-series","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/product\/1493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/comments?post=1493"}],"version-history":[{"count":3,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/product\/1493\/revisions"}],"predecessor-version":[{"id":9255,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/product\/1493\/revisions\/9255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/media\/8561"}],"wp:attachment":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/media?parent=1493"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/product_brand?post=1493"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/product_cat?post=1493"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/product_tag?post=1493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}