Three-phase 400V pump variable speed drive SPEEDBOX

Specifications:
- Frequency inverter for 1 three-phase 400 V pump, option to install 2 pumps (alternating operation).
- ART function (Automatic Reset Test): when the inverter detects a lack of water at the suction, the ART system stops the pump and tries, for programmed periods, to restart the pump until the water supply is restored.
- Automatic reset system after an interruption of the electrical supply: the system restarts automatically while keeping the programmed parameters.
- 4-20 mA output for external pressure transmitter.
- External pressure transmitter 0-10 bar supplied, (0-16 bar on request).
- Control and signalling panel with instant digital reading.
- Natural or forced cooling depending on model.
- Connection for detecting the minimum water level at the suction; its use is optional, and this system is independent of the electronic dry-run safety system.
- Screen display of working hours, mains connection, alarm log, with memory since start-up.
- EMC, certified residential class C1 or C2.