{"product_id":"cubemars-tw-40a-12s-speed-controller","title":"CubeMars TW-40A-12S Speed Controller","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eTW-40A-12S underwater electronic speed controller (ESC) is a high-performance solution custom-designed for CubeMars’ SW and DW series underwater thrusters.\u003c\/p\u003e\n\u003cp\u003eThis model supports 6–12S Li-ion\/LiPo battery input (approximately 22.2–44.4 V) and features a fully sealed IP67-rated waterproof enclosure. It integrates CubeMars’ proprietary startup and direction-switching algorithm, ensuring smooth motor starts and seamless forward\/reverse transitions. Additionally, it includes an intelligent monitoring system that continuously tracks current, voltage, motor stall, and throttle signal loss—significantly reducing the failure rate of the propulsion system.\u003c\/p\u003e\n\u003cp\u003eEach standard kit includes two ESCs, enabling simultaneous control of both CW and CCW motors in a single underwater thruster system.\u003c\/p\u003e\n\u003ch2\u003eCore Specifications\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 78 × 30 × 19.9 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e: SW7 \/ SW12 \/ DW10 \/ DW15\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight (per unit)\u003c\/strong\u003e: 90.33 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFully Sealed Waterproof Structure (IP67)\u003c\/strong\u003e: Specifically engineered for underwater environments, resistant to deep-water pressure and seawater corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProprietary Startup + Direction-Switching Algorithm\u003c\/strong\u003e: Delivers smooth, jerk-free starts and reliable forward\/reverse switching, enhancing control precision\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntelligent Status Monitoring\u003c\/strong\u003e: Built-in protections against overcurrent, overvoltage, motor stall, and throttle-loss improve system safety and longevity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized for Specific Thrusters\u003c\/strong\u003e: Compatible with SW7, SW12, DW10, DW15, and other designated models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Form Factor\u003c\/strong\u003e: Single unit measures ~78 × 30 × 19.9 mm and weighs only ~90.33 g—ideal for easy integration into underwater platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackaging Contents\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eTW-40A-12S Underwater ESC ×2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCertificate of Conformance ×1\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/CubeMars_TW-40A-12S_Speed_Controller-sub-001.webp?v=1784094225\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/CubeMars_TW-40A-12S_Speed_Controller-sub-002.webp?v=1784094225\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/CubeMars_TW-40A-12S_Speed_Controller-sub-003.webp?v=1784094225\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/CubeMars_TW-40A-12S_Speed_Controller-sub-004.webp?v=1784094225\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        :root {\n            --tech-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);\n            --border-color: #d1d9e6;\n            --row-alt: #f8faff;\n        }\n\n        body {\n            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n            background-color: #f0f4f8;\n            padding: 20px;\n            margin: 0;\n            color: #333;\n        }\n\n        .table-container {\n            max-width: 800px;\n            margin: 0 auto;\n            background: #fff;\n            border-radius: 8px;\n            box-shadow: 0 4px 15px rgba(0,0,0,0.1);\n            overflow: hidden;\n        }\n\n        .main-header {\n            background: var(--tech-gradient);\n            color: white;\n            padding: 15px;\n            text-align: center;\n            font-size: 1.25rem;\n            font-weight: bold;\n            text-transform: uppercase;\n            letter-spacing: 1px;\n            border-bottom: 2px solid #fff;\n        }\n\n        table {\n            width: 100%;\n            border-collapse: collapse;\n            background: white;\n            table-layout: fixed;\n        }\n\n        th, td {\n            padding: 14px 12px;\n            border: 1px solid var(--border-color);\n            text-align: center; \/* 严格要求所有列全部居中 *\/\n            word-wrap: break-word;\n            font-size: 0.9rem;\n            line-height: 1.5;\n        }\n\n        .params-header {\n            background-color: #004085 !important;\n            color: white !important;\n            text-align: center;\n            font-weight: bold !important;\n            text-transform: uppercase;\n        }\n\n        .table-th {\n            background-color: #1d6fa5;\n            color: white;\n            font-weight: bold;\n        }\n\n        tr:nth-child(even) {\n            background-color: var(--row-alt);\n        }\n\n        \/* 2列宽度比例分配 *\/\n        .col-param { width: 45%; font-weight: bold; }\n        .col-value { width: 55%; font-weight: 500; }\n\n        .content-footer {\n            max-width: 800px;\n            margin: 0 auto;\n            padding: 20px 5px;\n        }\n\n        @media screen and (max-width: 768px) {\n            body { padding: 10px; }\n            th, td { padding: 10px 6px; font-size: 0.8rem; }\n            .main-header { font-size: 1rem; }\n        }\n    \u003c\/style\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003cdiv class=\"main-header\"\u003eCubeMars TW-40A-12S Speed Controller Specifications\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" class=\"params-header\"\u003ePRODUCT PARAMETERS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"table-th col-param\"\u003eParameter\u003c\/td\u003e\n\u003ctd class=\"table-th col-value\"\u003eValue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable models\u003c\/td\u003e\n\u003ctd\u003eSW7 \/ SW12 \/ DW10 \/ DW15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e78*30*19.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle unit weight\u003c\/td\u003e\n\u003ctd\u003e90.33g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage dimensions (includes dual ESCs)\u003c\/td\u003e\n\u003ctd\u003e140*137*77mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring harness description\u003c\/td\u003e\n\u003ctd\u003ePower cable (input): Red (positive), Black (negative)\u003cbr\u003eThree-phase cable (output): 3 × Black\u003cbr\u003eSignal cable ×1\u003cbr\u003eSerial cable ×1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput(V)\u003c\/td\u003e\n\u003ctd\u003e6-12S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle range (with throttle midpoint at 1500 μs)\u003c\/td\u003e\n\u003ctd\u003e1000us-2000us\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBidirectional motor rotation\u003c\/td\u003e\n\u003ctd\u003e1000us-1500us Forward\/ 1500us-2000us Reverse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication mode\u003c\/td\u003e\n\u003ctd\u003eSerial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content-footer\"\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/TW-40A-12S-Product-Specification.pdf?v=1784094437\" title=\"TW-40A-12S-Product-Specification.PDF\"\u003eTW-40A-12S-Product-Specification.PDF\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/TW40A-80A-Instruction-Manual-for-Underwater-Brushless-Motor-Electronic-Speed-Controller.pdf?v=1784094437\" title=\"TW40A-80A-Instruction-Manual-for-Underwater-Brushless-Motor-Electronic-Speed-Controller.PDF\"\u003eTW40A-80A-Instruction-Manual-for-Underwater-Brushless-Motor-Electronic-Speed-Controller.PDF\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CubeMars","offers":[{"title":"TW-40A-12S(2pcs\/set)","offer_id":45772918390837,"sku":null,"price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/CubeMarsTW-40A-12SSpeedController-main-001.jpg?v=1784628767","url":"https:\/\/www.zennixtek.com\/products\/cubemars-tw-40a-12s-speed-controller","provider":"ZennixTek","version":"1.0","type":"link"}