THE UK'S NO. 1 FOR GENERATORS
Step up to true off-grid freedom without worrying about circuit overloads or power drops. The Hyundai HY3900Si Inverter Generator delivers 3.3kW of peak inverter power, giving larger motorhomes, caravans, glamping sites, and outdoor events the essential headroom needed to run heavy-draw appliances simultaneously. Driven by a reliable 144cc 4-stroke engine, it bridges the gap between small suitcase units and heavy commercial machinery—delivering massive output in an ultra-compact 21.15kg frame that remains easily portable for a single operator.
Technical Specifications: Maximum Output: 3300W / 3.3kW; Continuous Output: 3000W / 3.0kW; Engine Displacement: 144cc 4-Stroke Petrol; Electricity Quality: Pure Sine Wave Inverter; Outlets: 16A Industrial Blue Socket & Standard AC Ports; Monitoring System: 3-in-1 Digital Meter (Volts/Hz/Hours); Net Weight: 21.15 kg; Start Mechanism: Recoil Pull Start.
Safety & Usage Notice: Inverter generators are designed exclusively for leisure, camping, and intermittent standby use. Never operate petrol generators indoors or in enclosed spaces due to the fatal risk of carbon monoxide poisoning. Always run outdoors in well-ventilated areas away from open windows and doors.
Run a fridge, charge your devices & power lighting simultaneously without worrying about overload
Runs at reduced engine speed during lighter loads
16A socket for connecting equipment that draws more than a standard connection
Safe for laptops, phones, televisions & other sensitive electronics
| Art No | HY3900Si |
|---|---|
| Brand | Hyundai |
| Power Details | Hyundai 144cc 4-stroke, air-cooled, single-cylinder |
| Phase | Single Phase |
| Fuel Type | Petrol |
| Rated Watts (W) | 3000 |
| Max Watts (W) | 3300 |
| Voltage | 230 |
| Rated Frequency (Hz) | 50 |
| Sockets | 1x 16A socket |
| Output Technology | Inverter |
| Fuel tank Capacity | 4 Litres |
| Running Time | 3.6 hours @ 50% load |
| Dimensions (L x W x H) | 490 x 460 x 285mm |
| Starting Method | Electric / Recoil |
| Noise Value - Sound Power Level dB(A) | 63 dBA @50% load with 7m |
| Weight | 21.15kg |
| Warranty | 3 years (home) / 1 year (commercial) |
Hyundai Power Equipment is the trading name of Genpower Ltd. Genpower is the UK’s sole importer for Hyundai Power Equipment, including generators, water pumps and garden machinery.
Genpower was started in 2006, and a year later they were approached by Hyundai Corporation, Korea, and awarded the contract to become the sole importer for Hyundai Power Equipment for the United Kingdom. Genpower were chosen due to their profound knowledge, top machinery sales, expert engineering and maintenance support.
Hyundai Power Equipment portfolio began in in 2009 with petrol and diesel generators. Shortly after it expanded to include leisure inverter generators, air compressors, water pumps and pressure washers. In 2013 they introduced their range of petrol powered garden machinery to the UK, and since then Hyundai have built up a reputation with both domestic and professional users for their high quality, affordable products.
In 2015 Hyundai brought out their first 36v battery-powered garden machinery range. This battery-powered range includes a lawn mower, grass trimmer, hedge trimmer, pole saw and a chainsaw. All five products provide safe, clean and very green power.
All Hyundai products are specifically designed for domestic residential, estate and amenity users who want the very best quality at an affordable price.
We are very sorry but please be advised that for the foreseeable future we cannot despatch orders to Northern Ireland, Republic of Ireland, the Channel Islands, or any offshore postcodes.
We charge a flat rate of £9.99 for most orders (no matter the cost, weight or size)* that go via standard courier to English and Welsh mainland addresses and most Scottish addresses. We charge a flat rate of £29.95 for most orders (no matter the cost, weight or size)* that go via a palletised service to English and Welsh mainland addresses and most Scottish addresses.
Some generators may have an extended lead time and there's a possibility you may not receive your chosen generator next day. For urgent next day orders, please call us on 0345 222 0231 prior to placing your order and our team will confirm next day stock availability. This can vary on larger sets, these can take up to 5-7 working days. Please feel free to contact us before, or after ordering to check. If in doubt please call for a delivery time estimate. All deliveries are subject to availability. In the unlikely event of there being a delay we will contact you by email. Delivery is normally between 8.00 am and 8.00 pm weekdays (Monday to Friday).
Please Note: Some large canopy generators will require an offload facility at delivery destination, such as a forklift or other form of lifting equipment.
* If your order is subject to any additional shipping charges, we will contact you (via email or telephone) prior to processing your payment.
For more information call our sales team on 0345 222 0231
