{"product_id":"1268-5403-48v-400a-curtis-sepex-dc-motor-controller","title":"SAIYIS 1268-5403 48V 400A Curtis SepEx DC Motor Controller 0-5k","description":"\u003cdiv style=\"background:#fffbe6;border-left:4px solid #f5a623;padding:14px 18px;margin-bottom:20px;border-radius:4px;\"\u003e\n\u003cstrong\u003e📦 Commercial \u0026amp; Fleet Inquiry\u003c\/strong\u003e\u003cbr\u003eNeed programmed motor controllers or volume pricing for equipment fleets? Contact our technical team.\u003cbr\u003e\u003cstrong\u003eEmail: \u003ca href=\"mailto:support@awp-parts.com\"\u003esupport@awp-parts.com\u003c\/a\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eNew aftermarket 48V 400A separately excited (SepEx®) DC motor speed controller replacement for Curtis 1268-5403 and part number 378275403. Designed for heavy-duty electric utility vehicles, industrial burden carriers, personnel transports, and material handling forklifts. Features solid-state motor reversing, regenerative braking, and advanced programmable drive profiles.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#f7f7f7;border:1px solid #e5e5e5;padding:14px 16px;margin:18px 0;border-radius:4px;\"\u003e\n\u003cstrong\u003e⚠ Technical Verification:\u003c\/strong\u003e\n\u003cul style=\"margin:6px 0 0 18px;padding:0;\"\u003e\n\u003cli\u003eNominal Operating Voltage: \u003cstrong\u003e48V DC\u003c\/strong\u003e (36V–48V compatible).\u003c\/li\u003e\n\u003cli\u003eArmature Current Rating: \u003cstrong\u003e400 Amps\u003c\/strong\u003e (2-minute rating).\u003c\/li\u003e\n\u003cli\u003eThrottle Input Type: \u003cstrong\u003e0–5kΩ\u003c\/strong\u003e 2-wire resistive throttle.\u003c\/li\u003e\n\u003cli\u003eMotor Type: \u003cstrong\u003eSepEx® (Separately Excited) DC Motors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eModel Number\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e1268-5403 \/ 378275403\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e48V DC (Operating range 36V–48V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eArmature Current (2 min)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e400A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eField Current (2 min)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e50A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eThrottle Input\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e0–5kΩ (±10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003ePWM Operating Frequency\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e16 kHz (Silent operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eUnit Weight\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e~3.90 kg \/ ~8.60 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eNew Aftermarket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eVehicle \/ Equipment Category\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eTypical Applications\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eIndustrial \u0026amp; Material Handling\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eElectric forklifts, pallet trucks, burden carriers, personnel carriers (Hangcha, Heli, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eCommercial Utility Vehicles\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eHeavy-duty utility carts, resort \u0026amp; airport transport vehicles, golf carts (Club Car, E-Z-GO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDirect Curtis 1268 Replacement\u003c\/strong\u003e — Exact drop-in replacement for Curtis SepEx 1268-5403 \/ 378275403\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRegenerative Braking\u003c\/strong\u003e — Recovers kinetic energy back into battery bank, extending run time and reducing brake wear\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAnti-Rollback Function\u003c\/strong\u003e — Enhanced ramp-hold control delivers smooth, safe stopping and starting on inclines\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSolid-State Motor Reversing\u003c\/strong\u003e — Integrated full-bridge field stage eliminates mechanical reversing contactors\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComprehensive System Protection\u003c\/strong\u003e — Built-in over-voltage, under-voltage, thermal cutback, and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Support\u003c\/h3\u003e\n\u003cp\u003eEmail: \u003ca href=\"mailto:support@awp-parts.com\"\u003esupport@awp-parts.com\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp style=\"font-size:13px;color:#888;margin-top:24px;\"\u003eSAIYIS supplies aftermarket replacement parts. Curtis, E-Z-GO, Club Car, and other manufacturer names are referenced for compatibility identification only.\u003c\/p\u003e","brand":"SAIYIS","offers":[{"title":"Default Title","offer_id":45811982139501,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/5834\/8397\/files\/61F_WnZqn1L._SL1500.jpg?v=1788947518","url":"https:\/\/www.awp-parts.com\/fr\/products\/1268-5403-48v-400a-curtis-sepex-dc-motor-controller","provider":"SAIYIS AWP Parts","version":"1.0","type":"link"}