SmartGen HGM4100LT-S23 Generator Control Module
The SmartGen HGM4100LT-S23 is a highly reliable generator control module designed for the comprehensive monitoring, control, and protection of single generator sets. Equipped with an intuitive LCD display and tactile operation buttons (Stop, Auto, Change Over, Manual, and Start), it ensures seamless operation and rapid configuration. The module features robust rear-panel connectivity, including J1939 CAN bus communication for modern electronic engines, an isolated RS485 port for remote monitoring, and a convenient USB port for direct programming and data transfer. With high-capacity 10A auxiliary outputs, dedicated 5A relay outputs for fuel and crank, and extensive sensor inputs (including engine temperature, oil pressure, and magnetic pickup), the HGM4100LT-S23 offers exceptional flexibility and precision for various genset applications. It is CE certified, ensuring strict compliance with international safety and quality standards.
Technical Specifications:
- Brand: SmartGen
- Model: HGM4100LT-S23
- User Interface: LCD display with dedicated buttons for Stop, Auto, C/O, Manual, and Start
- Communication Interfaces: ECU/J1939 CAN bus (with 120Ω terminal), Isolated RS485 (A+, B-), and USB programming port
- AC Sensing: Gens AC Voltage sensing (U, V, W, N)
- Current Inputs: IA, IB, IC, ICOM (Rated 5A)
- Relay Outputs: Fuel (5A), Crank (5A), Charger (5A), and 4 x Configurable Auxiliary Outputs (10A each)
- Sensor & Analog Inputs: Engine Temperature, Oil Pressure, Magnetic Pickup (MP1, MP2), and 2 x Configurable Auxiliary Sensors
- Digital Inputs: 3 x Configurable Auxiliary Inputs
- Certification: CE Passed

| Brand | SmartGen |
|---|---|
| Model | HGM4100LT-S23 |
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If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
Our default shipping rate is $100, which is enough to cover the cost of most shipments, but it is not our expected shipping rate. Due to the varying weights and sizes of products and customer locations, please contact us with your location and the products you are interested in to get the best current shipping rates.
ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
SmartGen HGM4100LT-S23 Generator Control Module
Upgrade your generator’s performance and reliability with the SmartGen HGM4100LT-S23 Generator Control Module. Featuring an intuitive LCD display, J1939 CAN bus integration, isolated RS485 communication, and versatile 10A auxiliary outputs, this CE-certified controller provides advanced monitoring, protection, and easy USB programming for professional genset applications.

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