Harsen GU3311
The GU3311 is a new generation intelligent generator controller. The controller is faster and more intuitive. It boasts easy-to-read on-screen messages for easy use and diagnostics. The GU3311 is an Automatic Mains Failure controller which can detect a fault in the mains and automatically turn on your generator and shut it down when the mains utility returns.
Controller Functions
- Voltage and current measure true RMS.
- Multi-language options.
- 128x64 dot matrix LCD display.
- Time pre-sets & unit maintenance reminders.
- 3 analogue measuring inputs.
- 5 configurable outputs to control relays.
- 3 ways for discrete input definition.
- Front panel parameter modification.
- LED status operation indicators.
Operations Manual
Download the official operator manual for detailed installation and wiring instructions.
Download PDF
Tech Parameters
- Gen phase voltage L1-N L2-N L3-N
- Gen line voltage L1-L2 L2-L3 L3-L1
- Gen frequency Hz
- Gen/mains 3-phase current L1 L2 L3
- Gen/mains total active power
- Gen/mains total reactive power
- Gen/mains power factor PF (AV)
- Engine running speed RPM
- Engine oil pressure Bar/PSI
- Engine Temperature °C/°F
- Auxiliary Sensors
- Battery voltage Vdc
- Genset running hours
- Mains phase voltage L1-N L2-N L3-N
- Mains line voltage L1-L2 L2-L3 L3-L1
- Mains frequency Hz