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On-board Disconnectors and Inverters | Mersen Electrical Power: Fuses, Surge Protective Devices, Cooling & Bus Bars

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js-rightmenu-go-back"><span class="nav__colLeftTitle"> <span class="icon-long-arrow gly-rotate-180"></span>Return</span> </a> <a href="/en/products/family/high-and-medium-voltage-fuses-and-fuse-bases" class="js-subNavItem js-got-submenu nav__colRightTitle desktop--hidden" id="term-10">High and Medium Voltage Fuses and Fuse Bases</a> <ul> <li> <a href="/en/products/group/din-hv-back-fuses-motors">DIN HV Back-Up Fuses for Motors</a> </li> <li> <a href="/en/products/group/din-hv-back-fuses-transformers">DIN HV Back-Up Fuses for Transformers</a> </li> <li> <a href="/en/products/group/din-hv-general-purpose-fuses-transformers">DIN HV General Purpose Fuses for Transformers</a> </li> <li> <a href="/en/products/group/nfute-hv-back-fuses-transformers">NF/UTE HV Back-Up Fuses for Transformers</a> </li> <li> <a href="/en/products/group/e-rated-general-purpose-medium-voltage-fuses">E Rated General Purpose Medium Voltage Fuses</a> </li> <li> <a 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Solutions</a> </li> <li> <a href="/en/products/engineering/power-transfer-rail-vehicles">Power Transfer for Rail Vehicles</a> </li> <li> <span>On-board Disconnectors and Inverters</span> </li> </ul> </nav> </div> </div> <div class="bus-bar centered" id="js-bus-banner"> <div class="bus-bar__wrapper"> <div class="bus-bar__item"><span>On-board Disconnectors and Inverters</span> </div> <a href="#paragraph-309781" class="js-bus-item bus-bar__item"> Overview </a> <a href="#paragraph-309782" class="js-bus-item bus-bar__item"> Benefits </a> <a href="#paragraph-309783" class="js-bus-item bus-bar__item"> Capabilities </a> <a href="#paragraph-309784" class="js-bus-item bus-bar__item"> Design Guide </a> <a href="#paragraph-309785" class="js-bus-item bus-bar__item"> On-board Disconnectors and Inverters range </a> <a href="#paragraph-309786" class="js-bus-item bus-bar__item"> Completed Projects </a> <a href="#paragraph-954656" class="js-bus-item bus-bar__item"> Documents &amp; Resources </a> <a href="#related-products" class="js-bus-item bus-bar__item">Related Products</a> <div class="bus-bar__item"> <a href="/en/contact-us" class="bus-bar__item-btn btn btn--gray btn--link">Ask an expert</a> </div> </div> </div> <div class="free-content engineer centered"> <h3><a class="sticky-anchors" id="paragraph-309781"></a> Overview </h3> <div class="edito-content-block"><div class="hs-full-content"><div class="basic-block image-left">&nbsp; <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="273f2e09-cf13-4ed5-a348-a6469d9f675f" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-03/PHO-On_board_disconnector_switch_panel_with_locking_mechanism_500x350_0.png?itok=GJeAtsgl" alt="On board 3 positions disconnector switch panel with locking mechanism" typeof="foaf:Image"> </article> <div class="text-block"> <p>Mersen is providing compact, safe and reliable off-load disconnectors and inverters. These devices offer high performances and robustness for heavy duty requirements with very limited maintenance and whole life of the train.</p> <p>Mersen offers a large product ranges for On-Board applications under 85VDC, 750VDC, 1,500VDC, 3,000VDC and 25kVAC.</p> <p>Our standard On-Board disconnector range is rigorously engineered to meet your technical specifications in different configurations (Disconnector, Change-over, Grounding). Mersen has a switch solution that will meet your unique needs.</p> </div> </div> <hr> <p>&nbsp;</p> </div></div> <h3><a class="sticky-anchors" id="paragraph-309782"></a> Benefits </h3> <div class="edito-content-block"><div class="hs-full-content"><div class="basic-block image-left">&nbsp; <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="80211efb-232b-4cbf-9f9c-b648877cd203" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-03/PHP-On_board_disconnector_switch_panel_partial_view_of_the_switch_500x350.png?itok=Bd_PlOeb" alt="On board 3 positions disconnector switch panel with locking mechanism partial view of the switch" typeof="foaf:Image"> </article> <div class="text-block"> <h4>Benefits Uses of Current Collector Devices</h4> <p>Mersen off-load disconnectors and inverters are designed to be very compact with a modular and flexible design to meet your electrical circuit configuration.</p> <p>They can be manually operated from outside the train with the use of a front panel or motorized inside a cubicle.</p> <p>They are designed to withstand up to 25.000 cycles (open-close) To guarantee this efficiency, Mersen is testing them internally and with external partners.</p> </div> </div> <p>&nbsp;</p> <hr> <h4>Spare part kits</h4> <p>Mersen will supply you all Spare parts kits to guarantee the reliability and increase the life time of your product.</p> <ul> <li>Replacement Kit poles</li> <li>Replacement kit micro switch,</li> <li>all necessary components</li> </ul> <p>&nbsp;</p> <hr> <div class="basic-block image-left">&nbsp; <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="d60f024d-d56c-489d-bcb8-8fcd5703841f" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-03/PHO-CCD-work-shop_training_500x350.png?itok=NLQkkEPV" alt="Metro workshop station Current Collector Device (CCD) work shop training" typeof="foaf:Image"> </article> <div class="text-block"> <h4>Training and assistance</h4> <p>Mersen Design team is available to support your design and maintenance team’s especially for the smart and connected functions.</p> <p>Mersen Service team can train your Maintenance team to make the setting and the maintenance of your installations all around the world.</p> </div> </div> <p>&nbsp;</p> <hr> <p>&nbsp;</p> <a href="/en/products/engineering/board-disconnectors-and-inverters" class="read-less-link hs-block-link link link--details link--details--less">Show less</a></div><div class="hs-teaser-content"><div class="basic-block image-left">&nbsp; <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="80211efb-232b-4cbf-9f9c-b648877cd203" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-03/PHP-On_board_disconnector_switch_panel_partial_view_of_the_switch_500x350.png?itok=Bd_PlOeb" alt="On board 3 positions disconnector switch panel with locking mechanism partial view of the switch" typeof="foaf:Image"> </article> <div class="text-block"> <h4>Benefits Uses of Current Collector Devices</h4> <p>Mersen off-load disconnectors and inverters are designed to be very compact with a modular and flexible design to meet your electrical circuit configuration.</p> <p>They can be manually operated from outside the train with the use of a front panel or motorized inside a cubicle.</p> <p>They are designed to withstand up to 25.000 cycles (open-close) To guarantee this efficiency, Mersen is testing them internally and with external partners.</p> </div> </div> <p>&nbsp;</p> <hr> <h4>Spare part kits</h4> <p>Mersen will supply you all Spare parts kits to guarantee the reliability and increase the life time of your product.</p> <ul> <li>Replacement Kit poles</li> <li>Replacement kit micro switch,</li> <li>all necessary components</li> </ul> <p>&nbsp;</p><a href="/en/products/engineering/board-disconnectors-and-inverters" class="read-more-link hs-block-link link link--details link--details--more">Show more</a></div></div> <h3><a class="sticky-anchors" id="paragraph-309783"></a> Capabilities </h3> <div class="edito-content-block"><div class="hs-full-content"><h4>Customized to your need</h4> <p>The comprehensive range is divided in three main functions:</p> <ul> <li>Off-load disconnectors</li> <li>Off-load inverters</li> <li>Grounding</li> </ul> <p>They can operate under 85VDC, 750VDC, 1,500VDC, 3,000VDC and 25kVAC.</p> <p>&nbsp;</p> <p>They are build with a modular and flexible conception where you can choose:</p> <ul> <li>The Main Function</li> <li>The voltage</li> <li>The number of poles</li> <li>The current value for each pole</li> <li>The number of position (1 to 4 positions)</li> <li>Manual or motorised operation</li> <li>Operation from outside through a front panel or not</li> <li>Locking device for security (by key or padlocks)</li> <li>The quantity of micro switches per position</li> <li>Connection box for motor and micro switch</li> </ul> <p>Then you get your customized devices adapted to your technical environments.</p> <hr> <p>&nbsp;</p> </div></div> <h3><a class="sticky-anchors" id="paragraph-309784"></a> Design Guide </h3> <div class="edito-content-block"><div class="hs-full-content"><div class="basic-block image-left">&nbsp; <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="c50d58ce-a27a-47dd-a754-b75dc70b4d7d" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-03/PHP-On_board_disconnector_switch_with_motor_and_microswitch_red_insulators_500x350.png?itok=Whrajh7d" alt="Detailed view of on board disconnector switch with motor and microswitch red insulators" typeof="foaf:Image"> </article> <div class="text-block"> <h4>Voltage range</h4> <p>The range of Off-load disconnectors, Off-load inverters, Grounding is covering the voltage range of 85VDC, 750VDC, 1,500VDC, 3,000VDC and 25kVAC.</p> </div> </div> <p>&nbsp;</p> <hr> <p>&nbsp;</p> <div class="basic-block image-left">&nbsp; <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="2505ae74-2a04-446d-a647-1e3afa357bab" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-03/PHP-On_board_disconnector_switch_with_motor_and_microswitch_500x350.png?itok=hqCZCHku" alt="Detailed view of on board disconnector switch with motor and microswitch" typeof="foaf:Image"> </article> <div class="text-block"> <h4>Current range</h4> <p>The range of Off-load disconnectors, Off-load inverters, Grounding is covering the current range up to 2000 Amp, for higher rating please ask.</p> </div> </div> <hr> <p>&nbsp;</p> <h4>High short circuit withstand</h4> <p>The range of Off-load disconnectors, Off-load inverters, Grounding are studied to withstand 30kAmp short circuit, for higher rating please ask.</p> <p>&nbsp;</p> <hr> <h4>Number of poles and positions (modular conception)</h4> <p>This range can offer up to 4 positions (Main Power , Isolate, Work shop, Earth,) and up to 6 poles which can offer different current ratings (for example 1 pole 1250A, 1 poles 800 Amp and 2 poles 250 Amp).</p> <hr> <h4>Modular design</h4> <p>You can customized your device by choosing the following characteristics and functions:</p> <ul> <li>The Main Function</li> <li>The voltage</li> <li>The number of poles</li> <li>The current value for each pole</li> <li>The number of position (1 to 4 positions)</li> <li>Manual or motorised operation</li> <li>Operation from outside through a front panel or not</li> <li>Locking device for security (by key or padlocks)</li> <li>The quantity of micro switches per position</li> <li>Connection box for motor and micro switch</li> <li>Work shop plug</li> </ul> <hr> <h4>Tumbler</h4> <p>Some disconnectors can be equipped with a spring system named tumbler which have two functions. First function is the speed-up the operation of position change to avoid possible arcing and second is to finish the movement if the motor would miss infeed.</p> <hr> <div class="basic-block image-left"> <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="0bc11dd5-68ef-43b7-8c29-b491de098012" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-03/PHP-small_on_board_disconnector_switch_with_basic_on_load_opening_mecanism_500x350.png?itok=zKHybR0h" alt="Small on board disconnector switch with basic on load opening mecanism" typeof="foaf:Image"> </article> <div class="text-block"> <h4>Life time and number of cycles&nbsp;</h4> <p>These devices are very low maintenance and last the life time of the train. The first maintenance operation is given for 25.000 operations.</p> </div> </div> <hr> <div class="basic-block image-left">&nbsp; <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="8015f30f-2361-4d3f-9c54-c65034bfb211" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-01/PHP-Work_shop_plug_for_motorized_inverter_earthing_switch.JPG?itok=p05QM4VI" alt="Detail of Work shop plug for motorized inverter earthing switch" typeof="foaf:Image"> </article> <div class="text-block"> <h4>Work shop plug</h4> <p>These devices can be equipped with a work shop plug to infeed the auxiliaries circuits when the train is in the depot</p> </div> </div> <hr> <h4>Tooling</h4> <p>Beside the spare parts, Mersen can supply the necessary tooling to set perfectly your equipment to the technical requirements of your network and optimize their use.</p> <hr> <div class="basic-block image-left"> <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="8fc66aef-53cc-4e90-acd3-69b6a1c450f9" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-06/equations_.png?itok=7C9lhkzP" alt="Illustration of an equation on paper and pen" typeof="foaf:Image"> </article> <div class="text-block"> <h4>LCC; RAMS; Type tests</h4> <p>Mersen team provide type test and different studies (Life Cycle Cost, RAMS, FMEA, Eco Design and recyclability, etc…) to secure the reliability of your equipment and its conformity to standards and legislations.</p> </div> </div> <hr> <p>&nbsp;</p> <a href="/en/products/engineering/board-disconnectors-and-inverters" class="read-less-link hs-block-link link link--details link--details--less">Show less</a></div><div class="hs-teaser-content"><div class="basic-block image-left">&nbsp; <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="c50d58ce-a27a-47dd-a754-b75dc70b4d7d" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-03/PHP-On_board_disconnector_switch_with_motor_and_microswitch_red_insulators_500x350.png?itok=Whrajh7d" alt="Detailed view of on board disconnector switch with motor and microswitch red insulators" typeof="foaf:Image"> </article> <div class="text-block"> <h4>Voltage range</h4> <p>The range of Off-load disconnectors, Off-load inverters, Grounding is covering the voltage range of 85VDC, 750VDC, 1,500VDC, 3,000VDC and 25kVAC.</p> </div> </div> <p>&nbsp;</p> <hr> <p>&nbsp;</p> <div class="basic-block image-left">&nbsp; <article data-embed-button="media_image" data-entity-embed-display="view_mode:media.ckeditor_embed_small" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="2505ae74-2a04-446d-a647-1e3afa357bab" data-langcode="en" class="embedded-entity"> <img loading="lazy" src="/sites/mersen_cn/files/styles/cke_image_medium/public/2019-03/PHP-On_board_disconnector_switch_with_motor_and_microswitch_500x350.png?itok=hqCZCHku" alt="Detailed view of on board disconnector switch with motor and microswitch" typeof="foaf:Image"> </article> <div class="text-block"> <h4>Current range</h4> <p>The range of Off-load disconnectors, Off-load inverters, Grounding is covering the current range up to 2000 Amp, for higher rating please ask.</p> </div> </div> <hr> <p>&nbsp;</p> <h4>High short circuit withstand</h4> <p>The range of Off-load disconnectors, Off-load inverters, Grounding are studied to withstand 30kAmp short circuit, for higher rating please ask.</p> <p>&nbsp;</p><a href="/en/products/engineering/board-disconnectors-and-inverters" class="read-more-link hs-block-link link link--details link--details--more">Show more</a></div></div> <h3><a class="sticky-anchors" id="paragraph-309785"></a> On-board Disconnectors and Inverters range </h3> <div class="edito-content-block"><div class="hs-full-content"><ul> <li>Disconnector 85VDC</li> <li>Disconnector 750VDC</li> <li>Disconnector 1500VDC</li> <li>Disconnector 3000VDC</li> </ul> <p>&nbsp;</p> <ul> <li>Disconnector 25 KVAC</li> </ul> </div></div> <h3><a class="sticky-anchors" id="paragraph-309786"></a> Completed Projects </h3> <div class="edito-content-block"><div class="hs-full-content"><ul> <li>Metro Beijing, Doha, Houston, Dubai, Melbourne, Montréal, Riyadh, Shanghai, Ottawa.</li> </ul> </div></div> <h3><a class="sticky-anchors" id="paragraph-954656"></a> Documents &amp; Resources </h3> <div class="edito-content-block"><div class="hs-full-content"><p>&nbsp;</p> <div data-embed-button="media_document" data-entity-embed-display="view_mode:media.ckeditor_embed" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="a4ec60f0-3d36-40bd-91b3-e2f793e682ba" data-langcode="en" class="embedded-entity"><a class="link link--dl" href="https://ep-cn.mersen.com/sites/mersen_cn/files/2019-04/DS-Disconnectors-FA-750V-250-to-2000Amp-4-EN.pdf" download> DS-Disconnectors-FA-750V-250-to-2000Amp-4-EN<span>&nbsp;(PDF, 1648Ko)</span> </a> </div> <div data-embed-button="media_document" data-entity-embed-display="view_mode:media.ckeditor_embed" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="8f6939ed-cc63-468b-a0de-23df6582bb5c" data-langcode="en" class="embedded-entity"><a class="link link--dl" href="https://ep-cn.mersen.com/sites/mersen_cn/files/2019-04/DS-Disconnectors-FA-1500V-250-to-2000Amp-2-EN.pdf" download> DS-Disconnectors-FA-1500V-250-to-2000Amp-2-EN<span>&nbsp;(PDF, 3665Ko)</span> </a> </div> <div data-embed-button="media_document" data-entity-embed-display="view_mode:media.ckeditor_embed" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="19f7ce43-8695-4fcd-87fc-cfbbeb8374af" data-langcode="en" class="embedded-entity"><a class="link link--dl" href="https://ep-cn.mersen.com/sites/mersen_cn/files/2019-04/DS-Disconnectors-HAS-Range-25kV-1000Amp-EN.pdf" download> DS-Disconnectors-HAS-Range-25kV-1000Amp-EN<span>&nbsp;(PDF, 1574Ko)</span> </a> </div> <div data-embed-button="media_document" data-entity-embed-display="view_mode:media.ckeditor_embed" data-entity-embed-display-settings="{&quot;href&quot;:&quot;&quot;}" data-entity-type="media" data-entity-uuid="3c7fa473-f5cf-4da5-885d-a0e54503a1b9" data-langcode="en" class="embedded-entity"><a class="link link--dl" href="https://ep-cn.mersen.com/sites/mersen_cn/files/2019-04/DS-Disconnectors-Type-FA-85V-125-to-630Amp-EN.pdf" download> DS-Disconnectors-Type-FA-85V-125-to-630Amp-EN<span>&nbsp;(PDF, 909Ko)</span> </a> </div> <p>&nbsp;</p> <hr> <p>&nbsp;</p> </div></div> <h3> Related Products </h3> <div class="related" id="related-products"> <div class="related__wrapper"> <div class="related__item"> <a class="related__cta" href="/en/products/engineering/current-collector-devices?level1"> <div class="related__image"> <img loading="lazy" src="/sites/mersen_cn/files/styles/mersen_product_teaser/public/2019-03/PHO-CCD-integrated_fuse-box_2.png?itok=YDok0NaN" alt="PTRV - CCD" title="CCD" typeof="foaf:Image" /> </div> <p class="related__text"> <span>Current Collector Devices</span> </p> <div class="related__link"> <span class="link link--details">More details</span> </div> </a> </div> <div class="related__item"> <a class="related__cta" 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