MWR FOURGROUP STARTER/CONTROL PANELS > STAR/DELTA STARTER PANEL (AVST1) |
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General Description Electromechanical star/delta starter for 1 threephase deep well or submersible pump with thermal protection. Start the panel by turning the door interlocking general switch, a blue light will indicate that the panel is operating. The pump starts when a float switch or a pressure switch closes the contact. The ammetric overload protection is manually restorable. It is possible to customize the panel by adding accessories according to requirements. |
Features
- Electromechanical control panel star/delta starter; Input voltage 3~50/60 Hz 400V ±10%;
- Very low voltage input for pressure switch or float switch;
- Very low voltage input for external minimum level pressure switch or float switch for dry running protection;
- Transformer 400V/24V for auxiliary circuits; Selector for AUTO-OFF-MANUAL motors operation (MANUAL temporary on request);
- Blue light for power on;
- Green light for motor operating;
- Red light for motor protection alarm;
- Line contactor in AC3;
- Star contactor in AC3;
- Delta contactor in AC3;
- Timer for star/delta exchange adjustable 0÷30";
- Thermal relais for motor overload protection with adjustable scale internally restorable;
- Auxiliary circuits protection fuse;
- Motor protection fuses;
- Main switch with door interlock;
- Thermoplastic box up to 15HP;
- Metallic box from 20HP to 300HP;
- Output with cable holder;
- Protection IP55;
- Ambient temperature: -5/+40 °C;
- Relative humidity 50% at 40 °C (not condensed).
