CSI 20 PRO 2000W/12V sine wave inverter with mains priority switching and charger (CH plug)

SKU: 1000880
In stock
Available at short notice.
Ordered today, delivered around June 10, 2026
With Swiss T23 socket!
Extra quiet fan & integrated RCBO (residual current device/miniature circuit breaker).
Quality product: 3-year manufacturer's warranty, pure sine wave and designed for continuous operation!
Continuous power 2000W (peak 4000W) with mains priority switching & integrated charger (3 in 1).
Regular price CHF 669.90 inkl. MwSt.
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CSI 20 PRO 2000W/12V sine wave inverter with mains priority switching and charger (CH plug)

The CSI 20 PRO inverter offers you an excellent overall package of safety and functionality:

  • 2000 W continuous power
  • 4000 W peak power
  • Integrated residual current circuit breaker with overcurrent protection
  • With battery and mains priority switching
  • Integrated 30 A battery charger with adjustable charging characteristics
  • High-quality brand fans from ARCTIC
  • Wake-up button for unlocking the BMS of a lithium battery
  • Compatible with separately sold RC PRO remote control
  • Output socket: T23 (Swiss plug 3-pin 16A)
  • Continuous power output: 2000 W
  • Continuous power output in bypass mode: 2000 W
  • ECO mode: Yes
  • Suitable for balcony power plants for grid feed-in: No
  • DC power connection: M10 screw terminal
  • Charging voltage: 10.5-14.4 V
  • Dimensions (L x W x H): 445 x 220 x 150 mm
  • Max. charging current: 30 A
  • Maximum power up to 10 seconds: 3000 W
  • Maximum power up to 2 seconds: 4000 W
  • Mains frequency: 50 Hz
  • Voltage: 12 V to 230 V
  • Current draw at idle: Less than 0.9 A
  • Switchover time (UPS): Less than 10 ms
  • Wave type: Pure sine wave