The Könner & Söhnen KS 3000 is a compact open-frame petrol generator with 2.6kW rated output and 3.0kW maximum output at 230V. Its manually started KS 210 engine, AVR voltage stabilisation, 15-litre fuel tank and two UK household sockets make it a practical choice for compatible equipment at home, small-business premises, worksites and outdoor locations.
Free delivery to mainland Great Britain only.
At a glance
| Rated / maximum output | 2.6kW / 3.0kW |
|---|---|
| Output | 230V, single phase, 50Hz; AVR voltage stabilisation |
| AC sockets | 2 × UK 13A household sockets — both 230V |
| Starting | Manual recoil |
| Petrol tank capacity | 15 litres |
| Petrol runtime at 50% load | Approximately 15 hours |
| Net weight | 41.5kg |
Why choose the KS 3000?
- Practical power: 2.6kW rated output and 3.0kW maximum output for compatible household, business and worksite equipment.
- AVR voltage control: the automatic voltage regulator helps maintain a stable output as connected loads change.
- Two UK sockets: connect compatible 230V equipment through two UK 13A household outlets.
- Longer petrol runtime: the 15-litre steel tank provides approximately 15 hours at 50% load under the manufacturer's test conditions.
- Clear operating information: the LED display shows voltage, frequency and operating hours.
- Protection and monitoring: a circuit breaker and low-oil shutdown help protect the generator during operation.
- Durable construction: a copper-wound alternator, tubular frame and anti-vibration dampers support reliable operation.
Power, fuel and connections
Plan your load
Use the 2.6kW rated output, allow for starting loads and stay within socket and cable limits.
For prolonged loads, the manufacturer recommends no more than 80% of rated power: approximately 2.08kW.
Petrol and starting
This is a manual-start petrol generator. Use unleaded petrol with an octane rating of 90–95 and no more than 10% ethanol.
Petrol, engine oil and appliance leads are supplied separately.
AVR and outlets
The generator uses AVR voltage stabilisation rather than inverter technology. Check each appliance's requirements and starting load before connection.
Outputs: two 230V 13A household sockets and one 12V / 8.3A DC outlet.
Technical specifications
| Rated / maximum output | 2.6kW / 3.0kW |
|---|---|
| Voltage / frequency / phase | 230V / 50Hz* / single phase |
| Power factor | 1 |
| Maximum current | 13.04A |
| AC sockets | 2 × UK 13A household sockets — both 230V |
| DC outlet | 12V / 8.3A |
| Voltage regulation | Automatic voltage regulator (AVR) |
| LED display | Voltage, frequency and operating hours |
| Fuel | Petrol |
|---|---|
| Engine | KS 210; single-cylinder, four-stroke, air-cooled |
| Displacement | 208cm³ |
| Engine power | 7.0hp / 5.15kW |
| Starting system | Manual recoil |
| Petrol tank capacity | 15 litres |
| Runtime at 50% load, petrol | Approximately 15 hours |
| Engine oil capacity | 0.6 litres |
| Recommended oil | SAE 10W-30 or SAE 10W-40 for four-stroke petrol engines |
| Sound pressure level, LpA at 7m | 68dB |
|---|---|
| Sound power level, LWA | 93dB |
| Protection rating | IP23M |
| Alternator winding | Copper |
| Product dimensions (L × W × H) | 580 × 430 × 440mm |
| Packed dimensions (L × W × H) | 610 × 455 × 485mm |
| Net / packed weight | 41.5kg / 43.6kg |
*During transient operating conditions, the manufacturer states that the displayed frequency may briefly vary between 49Hz and 54Hz. Runtime varies with load, fuel quality, weather, altitude and equipment condition. Sound pressure at a stated distance and sound power are different measurements and should not be compared directly.
What's included
- KS 3000 petrol generator
- English operating instructions
- Spark-plug wrench
Engine oil, petrol, appliance leads and optional transport accessories are supplied separately.
Before first use
Add the recommended engine oil before starting. Read the owner's manual, check the oil level and follow the commissioning instructions. The manufacturer specifies unleaded petrol with an octane rating of 90–95 and no more than 10% ethanol.
During the first 20 operating hours, do not connect loads exceeding 50% of rated output. Change the engine oil after the first 20 hours and follow the maintenance schedule in the manual.
Operate outdoors, away from doors, windows and air intakes. Exhaust contains carbon monoxide. Keep the generator dry and follow the manual's clearance, earthing, electrical protection, refuelling and maintenance requirements. IP23M does not make the generator suitable for operation in rain.
Manuals and downloads
Warranty
Manufacturer's warranty: 1 year or 1,000 operating hours, whichever comes first, from the date of purchase.
The warranty covers manufacturing defects, subject to the manufacturer's warranty conditions. Eligible faults may be repaired or the product replaced. Retain your proof of purchase and any completed warranty documentation supplied with the generator.
For help with a warranty claim, contact Energian with your order number, generator serial number and a description of the fault.
Frequently asked questions
Is the KS 3000 an inverter generator?
No. It uses an automatic voltage regulator (AVR). Check the requirements of the equipment you plan to connect.
Does it have electric or automatic starting?
No. The KS 3000 uses a manual recoil starter. Choose an electric-start or ATS-compatible model if automatic operation is required.
How long does it run on a full tank?
The manufacturer states approximately 15 hours at 50% load. Actual runtime varies with load, fuel quality, weather, altitude and generator condition.
Are petrol and engine oil included?
No. Add the recommended engine oil before starting and use suitable unleaded petrol as specified in the manual.
Energian support
For help choosing a generator contact Energian on 020 8064 0335 or info@energian.co.uk. For after-sales support, have your order number and generator serial number ready.





