Inverter generator KS 4000iE S ATS


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Inverter generator from Könner & Söhnen
Engine oil replacement in the generator KS 4000iEG S / KS


Possible use
For individual electricity consumers only
Voltage 230
Max power, kW
Nominal power, kW
Frequency, Hz
Current (max), А
2 x Schuko 230 V
Engine start
Fuel tank volume, l
LED display
Voltage, frequency, working hours
Müratase l Lpa (7m)/Lwa, dB 66/91
Engine model
KS 240i
Engine cylinder volume, cm3 223
Engine type
Gasoline powered one-cylinder, four-stroke air-cooled
Engine power, hp 7.5
Possibility of parallel connection
Output for ATS
ATS sisseehitatud
Crank case volume, L
Accumulator, A·h 1.6
Alternator winding
Neto mõõdud (LxWxH), mm
Gross dimensions (LxWxH), mm 630х475х570
Net weight, kg 40
Bruo kaal, kg 43.4
EAN code 4260405365784

*** Fuel consumption depends on many factors, such as load, fuel quality, season, altitude, technical condition of the generator.

Assembled in PRC.


SKU KS4000iESATS Categories ,

For individual electricity consumers only

Inverter generator KS 4000iE S ATS has a built-in ATS unit and can be operated both manually and automatically.

The OFF-RUN rotary switch on the right side of the generator combines the fuel tap, the switch for the internal 12V power supply and the ignition switch. When the generator is not in use, it should remain OFF so that the lithium battery installed in the generator does not discharge. The generator comes with a disconnected battery, which must be connected under the left side cover when first used. The battery is recharged by the internal charging module as soon as the generator is running or the 230V voltage comes to the MAINS INPUT (regardless of the position of the rotary switch).

The MAINS INPUT 230V connection is monitored as soon as you set the rotary switch to RUN and switch the ATS SWITCH to ON. If the 230V voltage at the MAINS INPUT fails, the ATS controller starts the generator and switches its 230V output sockets to the inverter module.

The KS 4000iE S ATS has 2 x 230V sockets, which are switched differently depending on the version of the generator.

For individual electricity consumers only

The two 230V sockets are active both when operating from the MAINS INPUT and when operating from the generator.

When operated from the MAINS INPUT, the two 230V sockets supply the same system (IT, TN, TT) as MAINS INPUT. The generator must be earthed in TT and TN systems with a copper cable 6-10 mm² (depending on local regulations) by connecting its earth screw to the same earth bar to which the MAINS 230V power source is earthed.

The two outlets after switching power to the generator supply only IT system without the grounded neutral conductor. Regulations and protective measures for the IT system must be observed.

With this version of the generator it is possible to supply electricity consumers that can work both in the TN and in the IT system. It is not possible to supply the house completely in automatic mode!


These instructions can only be taken as a recommendation, are illustrative and must be adapted to the exact local circumstances and conditions during installation.

The installation itself should be made by a licensed electrician and in accordance with all local standards and regulations. We take no responsibility for the wrong installations and their consequences.


The built-in electronic unit with microprocessor control monitors the operation of the generator and provides a stable output voltage of 230V 50Hz sinusoidal form, which is suitable for the reliable operation of sensitive electronics.


The Könner & Söhnen reliable engine is characterized by increased durability, long and stable operation, and meets all European quality standards, including EURO V.


The ergonomic control panel is equipped with a fuel economy mode switch. This mode reduces fuel consumption by up to 50% at small loads due to lower engine revolutions.


Built-in ATS (automatic transfer switch) system – the generator is equipped with an automatic transfer switch function. The built-in ATS unit allows the generator to monitor the incoming mains supply, automatically starts the generator when the mains supply is disconnected and then automatically stops the generator when the mains supply is restored with no user intervention.


Convenient location of all functions: working mode indicator, overload and short circuit protection, low oil level sensor, Reset button to reset the control system and restore voltage supply, connector for parallel connection of generators, typical 12 V car socket for a wide range of car devices, gadgets and battery charging, 230 V sockets and grounding terminal.


Tänu spetsiaalsele kaitsekorpusele, mis tagab minimaalse mürataseme 66 dB, mugav kasutada ja transportida. Toode on varustatud transpordisüsteemiga.


TM Könner & Söhnen generators are equipped with a high-end synchronous alternator with 100% copper winding. It is only the copper winding that can withstand maximum loads without any damage to ensure long-term reliable operation of the generator set.


Könner & Söhnen Inverter generators are equipped with a transport system for easy movement. Two wheels and a handle that lifts when the generator is moved ensure comfortable transportation and mobility.

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