--- title: "Golf Cart AC Unit Controller AC 48-80V 350A 1236-6401 Compatible with Curtis" description: "Upgrade your golf cart with the SPIDERWAY 1236-6401 AC controller, compatible with Curtis systems. It supports 48-80V systems and delivers 350A for stronger torque and smoother acceleration. Built-in protections and lithium battery compatibility make it a reliable replacement for popular brands like Club Car and E-Z-GO." url: https://factorysea.com/product/golf-cart-ac-unit-controller-ac-48-80v-350a-1236-6401-compatible-with-curtis/ date: 2026-08-18 modified: 2026-08-18 author: "FactorySea" image: https://img.factorysea.com/2026/08/29060611/golf-cart-controller-1236-6401.webp type: product lang: en product_type: simple currency: CNY availability: instock --- # Golf Cart AC Unit Controller AC 48-80V 350A 1236-6401 Compatible with Curtis ## Product Overview The SPIDERWAY 1236-6401 is a high-performance AC motor controller designed as a direct replacement for Curtis controllers in golf carts and light electric vehicles. Operating on a wide 48-80V voltage platform with a 350A current rating, it delivers stronger starting torque, smoother acceleration, and improved efficiency compared to traditional DC controllers. This controller is compatible with a wide range of popular golf cart brands and supports both lithium and lead-acid battery systems, making it an ideal upgrade for repair and aftermarket replacement. ## Key Features - **Wide Voltage Compatibility:** Supports 48V, 72V, and 80V systems, including lithium battery upgrades. - **High Current Output:** 350A AC current for stronger power and hill-climbing performance. - **Smooth Acceleration:** AC vector control algorithm eliminates jerking during startup and low-speed driving. - **Smart Protection System:** Includes undervoltage, overcurrent, motor overtemperature, stall, and CAN communication fault protection. - **Lower Temperature Rise:** Built-in temperature sensor smoothly reduces output power to prevent sudden shutdowns. - **Plug-and-Play Installation:** Designed for easy replacement of Curtis controllers with minimal reprogramming. - **CAN Communication Support:** Enables integration with modern vehicle systems. ## Applications The 1236-6401 controller is suitable for a variety of electric golf carts, including models from Club Car, E-Z-GO, Yamaha, Evolution, Icon, Advanced EV, Star EV, and Columbia. It is commonly used in 4-seater and 6-seater carts, providing reliable performance on rough golf course terrain and supporting both lead-acid and lithium battery systems. ![Golf Cart AC Controller 1236-6401 350A](https://factorysea.com/wp-content/uploads/2026/08/golf-cart-controller-1236-6401.webp) ## Technical Specifications | **Model** | 1236-6401 | | --- | --- | | **Controller Type** | AC Motor Controller | | **System Voltage** | 48V – 80V | | **Current Rating** | 350A | | **Compatible Motor Types** | AC motor, PMSM motor | | **Battery Compatibility** | Lead-acid, Lithium | | **Communication** | CAN bus | | **Protection Features** | Undervoltage, Overcurrent, Motor overtemperature, Stall, CAN fault | ## Why Choose This Product? This controller offers a cost-effective alternative to discontinued Curtis models. With a wide voltage range and high current output, it delivers enhanced performance for demanding applications. The advanced protection system and smooth power management ensure reliability and safety, while the plug-and-play design simplifies installation. Its compatibility with lithium batteries makes it a future-proof choice for golf cart owners looking to upgrade. ## Manufacturer Recommendation SPIDERWAY is a factory with integrated manufacturing and trading operations, exporting to over 40 countries. They have overseas warehouses in the United States and Australia, and a local engineering team in California for fast adaptation and on-site support. Their controllers are rigorously tested on real golf carts to ensure perfect match and performance. SPIDERWAY also offers OEM and ODM customization to meet specific requirements. ![1236-6401 golf cart controller AC](https://factorysea.com/wp-content/uploads/2026/08/1236-6401-controller.webp) ## Sourcing Guide (FAQ) ### 1. What voltage systems does the 1236-6401 controller support? It supports 48V, 72V, and 80V systems. ### 2. Can it directly replace a Curtis controller? Yes, it is designed as a drop-in replacement for Curtis controllers. ![AC controller 1236-6401 for Curtis replacement](https://factorysea.com/wp-content/uploads/2026/08/ac-controller-1236-6401.webp) ### 3. Is it compatible with lithium battery systems? Yes, it supports both lithium and lead-acid batteries. ### 4. Does it require reprogramming? It supports plug-and-play installation, but programming options are available for customization. ![Golf cart AC unit controller 1236-6401](https://factorysea.com/wp-content/uploads/2026/08/golf-cart-ac-unit-controller.webp) ### 5. Does it support CAN communication? Yes, it supports CAN communication. ## Summary The SPIDERWAY 1236-6401 AC controller is a reliable and performance-enhancing replacement for Curtis controllers in golf carts. With wide voltage support, high current output, and advanced protection features, it offers improved torque, smoother acceleration, and compatibility with modern lithium batteries. Its plug-and-play design and broad brand compatibility make it a preferred choice for dealers and cart owners seeking durable and efficient upgrades. ![1236-6401 controller as Curtis replacement](https://factorysea.com/wp-content/uploads/2026/08/1236-6401-curtis-replacement.webp) This product is supplied directly by the manufacturer’s factory. Click the supplier inquiry button below to get a quote. ↓ ![SPIDERWAY golf cart controller 1236-6401](https://factorysea.com/wp-content/uploads/2026/08/spiderway-golf-cart-controller.webp)