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Easy Inverter

General Description Control panel for one pump with frequency inverter. Electronic starter with frequency inverter for one three-phase deep well, submersible or surface pump, with electronic ammetric protection. Start the panel by turning the door interlocking general switch. The pump starts when an input by an external electronic pressure sensor (4÷20 mA) occurs. The acceleration and deceleration ramps can be set up independently and every function is described on the external display. The pump is protected from overload by electronic ammetric protection. The inverter can be controlled by pc by connecting on the serial port RS232.

Features

• Power input 3~50/60 Hz 400V ±10%;
• 4÷20 mA input for external electronic pressure switch;
• Very low voltage input for pressure switch or minimum float switch;
• Selector for AUTO-OFF-MANUAL motor operation (in MANUAL start input from pressure switch);
• Electronic frequency inverter with the following functions:
  • illuminated LCD;
  • set up menu: functions;
  • visualization of: voltage, phase current, active and apparent power for each phase, COS Ø of each phase, kWh;
  • sequential list of the events;
  • clock datary with buffer battery;
  • acceleration and deceleration ramps with torque control adjustable from keyboard;
  • set up time of acceleration and deceleration "PID" (Proportional Integrated Derivated) set up;
  • remote control by pc with connection via convertor RS232;
  • phase failure protection, min/max voltage protection, phase-sequence protection;
  • incorporated by-pass system;
• Auxiliary circuits protection fuse;
• Motor protection fuses;
• Main switch with door interlock;
• Metallic box;
• Protection IP55;
• Ambient temperature: -5/+40 °C;
• Relative humidity 50% at 40 °C (not condensed).