• KS ATS 4/25 Gasoline
  • KS ATS 4/25 Gasoline
  • KS ATS 4/25 Gasoline
  • KS ATS 4/25 Gasoline
  • KS ATS 4/25 Gasoline

KS ATS 4/25 Gasoline

Automatic Transfer Switch
Voltage 230V/400V
Power 230V 5.75 (11.5) kW
Current (max) 230 V 25А (50А)
Power 400V 13 kW
Current (max) 400 V 25А

The ATS (Automatic transfer switch) unit automatically starts the generator and transfers load to it when the main power supply is disconnected.

Gasoline and diesel generators with an electric starter are equipped with a 8-pin connector for an automatic transfer switch unit (ATS input). The ATS unit has a PLC that allows the automatic start/stop of the generator to be programmed in the event of a power outage and after its restoration.


  • Automatic/manual operation
  • Programming of engine starting time after power outage
  • Programming of engine warm-up time before connecting to consumer
  • Setting of starter operation time
  • Engine performance monitoring
  • Battery charging when the generator is off

The KS ATS 4/25 Gasoline ATS unit is compatible with Könner & Söhnen gasoline inverter generators with the abbreviation “ATSR” in the article number.

Battery voltage DC8.0-18V
Voltage 230V/400V
Power 230 V, kW 5.75 (11.5)
Current (max) 230 V, A 25 (50)
Power 400 V, kW 13
Current (max) 230V, A 25
Working environment from -10°C to +55°C; humidity: ⩽60%
Storage environment from -10°C to +70°C; humidity: ⩽60%
IP protection class IP41
Insulation class AC1.0KV / 1min 1mA
Maximum battery charging current from the built-in power supply
Control cable length, m 5
Net dimensions (L*W*H), mm 320 х 250 х 140
Gross dimensions (L*W*H), mm 405 х 325 х 200
Net weight, kg 6.0
Gross weight, kg 6.5
EAN code 4260405362455

Assembled in PRC.