Hahn & Sohn H IG 5500 G ATS Inverter Generator
The powerful Hahn & Sohn HIG 5500 G ATS inverter generator offers a maximum output of up to 5.5 kW (petrol) / 5.0 kW (LPG) and supports operation on both petrol and LPG (gas). The model is prepared for ATS connection (automatic start) – the module is not included in the package. Ideal as a backup power source for homes and businesses with stable output suitable for sensitive electronics.
The Hahn & Sohn HIG 5500 G ATS inverter generator is a modern and powerful source of electrical energy, suitable for a wide range of applications – from family homes and cottages to workshops, construction sites, or small businesses.
- Thanks to inverter technology, it delivers stable and clean voltage, making it safe for sensitive devices such as computers, TVs, boilers, and control electronics.
- A major advantage is its dual fuel operation (petrol & LPG), allowing flexible use depending on fuel availability while also reducing operating costs.
- The generator provides a maximum output of 5.5 kW on petrol and 5.0 kW on LPG, with a rated output of 5.0 kW (petrol) and 4.4 kW (LPG).
- The unit is ATS ready (Automatic Transfer Switch), meaning that after adding an external ATS unit, it can operate as an automatic backup power source during power outages.
- The fuel tank capacity of 12.5 litres allows operation for up to 8.5 hours at 50% load, with an approximate consumption of 1.4 l/h.
- Robust construction, transport wheels, and a telescopic handle ensure easy handling. The unit also features a clear control panel, overload protection, and a 32A socket for high-power appliances.

The generator can operate on:
- Petrol (Unleaded 95)
- LPG (propane-butane)
This ensures flexibility, lower operating costs, and longer runtime in emergency situations.
The ATS-ready version enables automatic start during a power outage (when connected to an external ATS module – not included), making it an ideal solution for backup power in homes, businesses, or technical systems.
The sound-insulated housing, integrated wheels, and telescopic handle ensure easy handling despite the weight of 46 kg.
WHY CUSTOMERS CHOOSE IT
- Max. output 5.5 kW (petrol) / 5.0 kW (LPG)
- Dual fuel – petrol & LPG
- ATS READY – automatic start option (ATS required)
- Stable voltage suitable for electronics
- Runtime up to 8.5 hours
- Powerful 32A socket
- Electric and manual start
- Easy transport (wheels + handle)
PRACTICAL TIP
Thanks to ATS compatibility, this generator is ideal as a backup power source for a family house, ensuring automatic startup during power outages when paired with an ATS unit.
KEY FEATURES
- Inverter generator
- ATS READY (external ATS required)
- Dual fuel: petrol / LPG
- Max. output: 5.5 kW / 5.0 kW (LPG)
- Rated output: 5.0 kW / 4.4 kW (LPG)
- Voltage: 230 V / 50 Hz
- Rated current: 21.7 A
- Power factor: 1.0
- DC output: 12 V / 8.3 A
- USB output
- Overload protection
USAGE / OPERATION
- Place the generator on a flat, well-ventilated surface
- Check oil and fuel levels
- Connect an external ATS unit if required
- Start the generator (electric or manual start)
- Connect appliances
- Monitor load during operation
PACKAGE CONTENT
- Generator unit
- LPG hose with regulator
- DC cable
- Tool kit
- Funnel
- User manual
❗ ATS unit is not included (must be purchased separately)
IMPORTANT NOTICE
The generator is ATS ready, but the ATS unit is not included and must be purchased separately.
Additional parameters
| Category: | Inverter Generators |
|---|---|
| Warranty: | 2 years |
| Weight: | 46 kg |
| EAN: | 8594210231870 |
| Basic information:: | |
| Model: | H IG 5500 G ATS |
| Type: | inverter generator |
| Starting: | manual + electric |
| Power:: | |
| Max. power: | 5.5 kW (gasoline) / 5.0 kW (LPG) |
| Rated power: | 5.0 kW (gasoline) / 4.4 kW (LPG) |
| Electrical specifications:: | |
| Voltage: | 230 V |
| Frequency: | 50 Hz |
| Rated current: | 21,7 A |
| Power factor: | 1.0 |
| Outputs:: | |
| Socket: | 1x 230 V / 16 A (IP54), 1x 230 V / 32 A (IP54) |
| DC output: | 12 V / 8,3 A |
| USB output: | Yes |
| Engine and fuel:: | |
| Engine type: | 4-stroke, OHV, air-cooled |
| Fuel: | gasoline / LPG |
| Tank capacity: | 12,5 l |
| Oil capacity: | 0,6 l |
| Operations:: | |
| Consumption: | 1.4 L/h (50% load) |
| Hours of Operation: | 8.5 hours (50% load) |
| Additional specifications:: | |
| Noise level: | 96 dB (at a distance of 4 m) |
| RPM: | 4600 rpm |
| Max. working height: | 1000 m |
| Max. ambient temperature: | 40 °C |
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