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Applications
Model M521 is useful in all cases we need to control and protect single pump managing its turn-on and turn off by different electric installations.

Typical usage scenarios include:
- Houses
- Flats
- Holidays houses
- Farms
- Water supply from wells
- Irrigations of greenhouses, gardens, agriculture
- Rain water reuse
- Industrial plants
- Waste water tank / Sewage sink

Main features:
Built In function switch
Applied for water supply by liquid level control through float switch
Applied for water supply by pressure control through pressure switch and pressure tank
Applied for drainage by liquid level control through float switch
Automatic stops the pump in the case of water shortage, protecting it from dry running without installing float switch in the well
Auto / Manual switch
Dynamic LCD displaying pump running state
Protect the pump against many faults
Push Button Calibration
Starts and stops the pump in accordance with the different liquid level or pressure setting
Reserved space for installing internal start capacitor of pump motor


Main Specifications:
Rated output power: 0.37KW-2.2KW (0.5HP-3HP)
Rated input voltage: AC220V/50Hz Single Phase