ONE-E-TD

ELECTRONIC THREE PHASE DIRECT START CONTROL PANEL WITH MICROPROCESSOR

· N. 3 galvanically insulated inputs for level probes with adjustable intervention threshold and recovery time 0-60 min;

· N. 4 inputs for floats or pressure switches;

· Alarm output relay with changeover contact N.O. / N.C. (250 V~ 5 A max, resistive load);

· Command with buttons and LEDs;

· Selector for stop input operation mode (emptying or filling);

· Pump stop with adjustable delay (0-180 s);

· Periodical pump unlock every 4 hour / 1 week (selectable);

· Alarm signal for dry running and stop level or pressure (excludable);

· Alarm or regular operating signal on relay output (selectable);

· Pumps control through maximum level or maximum pressure alarm input (selectable);

· 10 s start on-delay after power supply restoration;

· TEMPORARY MANUAL starting by keeping push the button;

· Main disconnecting switch with door lock;

· Motor starting contactor;

· Protection for power supply phase missing or wrong sequence of them;

· Adjustable electronic protection for motor overload, (on 2 phases);

· Protection for minimum load (excludable);

· Electronic protection against dry running with adjustable intervention threshold and restoration time 1-60 min (excludable);

· Maximum start per hour (30 o 60) (excludable);

· Motor supply and auxiliary circuit protection fuses;

· Contactor command circuit voltage as power supply;

· Very low voltage inputs.