{"product_id":"cubemars-tw-40a-12s-underwater-electronic-speed-controller-2x","title":"CubeMars TW-40A-12S Underwater Electronic Speed Controller (2x)","description":"\u003cdiv class=\"product-block-list__item product-block-list__item--description details_product\"\u003e\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card__header\"\u003e\r\n\u003ch2 class=\"card__title heading h3\"\u003eDescription\u003c\/h2\u003e\r\n\u003c\/div\u003e\n\u003cdiv class=\"card__section expandable-content desc-view-more\" id=\"main-description\"\u003e\n\u003cdiv class=\"rte text--pull\"\u003e\n\u003cul\u003e\n\t\u003cli\u003eCubeMars TW-40A-12S Underwater Electronic Speed Controller (2x)\u003c\/li\u003e\n\t\u003cli\u003eIP67 fully sealed waterproof enclosure built for deep-water operation\u003c\/li\u003e\n\t\u003cli\u003eProprietary startup and direction-switching algorithm for smooth, jerk-free motor control\u003c\/li\u003e\n\t\u003cli\u003eIntelligent motor status monitoring against overcurrent, overvoltage, stall, and throttle signal loss\u003c\/li\u003e\n\t\u003cli\u003eSupports 6-12S Li-ion\/LiPo battery input (approx. 22.2-44.4V)\u003c\/li\u003e\n\t\u003cli\u003eBidirectional rotation with serial communication control\u003c\/li\u003e\n\t\u003cli\u003eCompact form factor optimized for SW7, SW12, DW10 and DW15 underwater thrusters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCubeMars TW-40A-12S Underwater Electronic Speed Controller (2x)\u003c\/strong\u003e is a high-performance ESC custom-designed for CubeMars' SW and DW series underwater thrusters. It supports 6-12S Li-ion\/LiPo battery input and features a fully sealed IP67-rated waterproof enclosure, making it suitable for demanding underwater propulsion systems.\u003c\/p\u003e\n\n\u003cp\u003eThe controller integrates CubeMars' proprietary startup and direction-switching algorithm, ensuring smooth motor starts and seamless forward\/reverse transitions. An intelligent monitoring system continuously tracks current, voltage, motor stall, and throttle signal loss, significantly reducing the failure rate of the propulsion system. Each standard kit includes two ESCs, enabling simultaneous control of both CW and CCW motors in a single underwater thruster setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbutton class=\"expandable-content__toggle\" aria-expanded=\"false\" aria-controls=\"main-description\"\u003e\u003cspan class=\"expandable-content__toggle-icon\"\u003e\u003c\/span\u003e\u003cspan class=\"expandable-content__toggle-text\" data-view-more=\"View more\" data-view-less=\"View less\"\u003eView more\u003c\/span\u003e\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-2\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eWhat's Included\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-2\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\t\u003cli\u003e2x CubeMars TW-40A-12S Underwater Electronic Speed Controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-3\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eDimensions\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-3\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\t\u003cli\u003e78 x 30 x 19.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-4\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eLinks\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-4\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cp\u003e\u003cstrong\u003ePDF File\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/C\/Cbe\/RB-Cbe-135\/pdf\/cubemars_tw_40a_12s_underwater_electronic_speed_co_product_specification.pdf\" target=\"_blank\"\u003eCubeMars TW-40A-12S Underwater Electronic Speed Controller - Specification\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eZIP File\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/C\/Cbe\/RB-Cbe-135\/zip\/cubemars_tw_40a_12s_underwater_electronic_speed_co_3d_drawing.zip\" target=\"_blank\"\u003eCubeMars TW-40A-12S Underwater Electronic Speed Controller - 3D Drawing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-7\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eSpecifications\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-7\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\t\u003cli\u003eInput voltage: 6-12S (approx. 22.2-44.4V)\u003c\/li\u003e\n\t\u003cli\u003eCompatible models: SW7 \/ SW12 \/ DW10 \/ DW15\u003c\/li\u003e\n\t\u003cli\u003eWeight (per unit): 90.33 g\u003c\/li\u003e\n\t\u003cli\u003eWaterproof rating: IP67\u003c\/li\u003e\n\t\u003cli\u003eThrottle range: 1000us-2000us (midpoint at 1500us)\u003c\/li\u003e\n\t\u003cli\u003eBidirectional rotation: 1000us-1500us Forward \/ 1500us-2000us Reverse\u003c\/li\u003e\n\t\u003cli\u003eCommunication mode: Serial\u003c\/li\u003e\n\t\u003cli\u003eWiring harness: Power cable (red positive\/black negative), 3x black three-phase output, 1x signal cable, 1x serial cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cubemars","offers":[{"title":"Default Title","offer_id":48029270474903,"sku":"RB-Cbe-135","price":257.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/3997\/9927\/files\/pp_4518769.webp?v=1784288227","url":"https:\/\/ca.robotshop.com\/products\/cubemars-tw-40a-12s-underwater-electronic-speed-controller-2x","provider":"RobotShop Canada","version":"1.0","type":"link"}