Hyundai 3.3kW / 3300W Inverter Generator hy3900si

The Hyundai HY3900Si is a compact and versatile 3.3kW inverter generator designed to provide reliable portable power for caravans, motorhomes, camping, outdoor activities, mobile applications and off-grid use. With a maximum output of 3300W and a continuous output of 3000W, it provides sufficient power for running multiple appliances and electrical equipment while maintaining a practical, portable design.

Powered by a 144cc four-stroke, air-cooled, single-cylinder petrol engine, the HY3900Si combines dependable performance with efficient operation. Its pure sine wave inverter technology delivers clean and stable 230V electricity, making it suitable for sensitive electronic equipment such as laptops, televisions, chargers and other modern electrical devices.

The integrated ECO mode automatically adjusts engine speed according to the electrical demand. This helps reduce fuel consumption and operating noise when the generator is not working under heavy load. The 4-litre fuel tank provides up to approximately 6.3 hours of operation at 10% load and around 3.6 hours at 50% load, making it suitable for extended periods of portable power without frequent refuelling.

Starting is straightforward with the reliable recoil-start system. The control panel features a 16A industrial blue socket, cigarette lighter outlet, digital meter and AC reset function. The 3-in-1 digital meter provides useful information including voltage, frequency and running hours, helping users monitor operation and keep track of maintenance intervals.

With a net weight of approximately 21.15kg and compact dimensions, the generator can be moved and positioned by one person. Its inverter design and controlled engine operation make it a practical choice where portable, stable and relatively quiet power is required.

Specifications:

• Model: HY3900Si
• Product Type: Inverter Generator
• Maximum Output: 3300W / 3.3kW
• Continuous Output: 3000W / 3.0kW
• Inverter Type: Pure Sine Wave
• Voltage: 230V
• Frequency: 50Hz
• Phase: Single Phase
• Fuel Type: Petrol
• Engine Type: 4-Stroke, Air-Cooled, Single-Cylinder
• Engine Capacity: 144cc
• Starting System: Recoil Start
• Fuel Tank Capacity: 4 Litres
• Engine Oil: SAE 10W30
• Engine Oil Capacity: 400ml
• ECO Mode: Yes
• Run Time at 10% Load: Approximately 6.3 hours
• Run Time at 50% Load: Approximately 3.6 hours
• Fuel Consumption at 50% Load: Approximately 1.11 litres per hour
• Noise Level at 7m at 50% Load: Approximately 63 dBA
• Socket Type: UK Socket
• AC Outlet: 1 x 16A Industrial Blue Socket
• DC Outlet: 1 x Cigarette Lighter Socket
• Digital Meter: Voltage, Frequency and Running Hours
• Protection: AC Reset Function
• Net Weight: 21.15kg
• Gross Weight: 22.65kg
• Assembled Dimensions (H x W x L): 490 x 460 x 285mm
• Package Dimensions (H x W x L): 550 x 525 x 325mm
• Home Warranty: 3 Years
• Commercial Warranty: 2 Year