Intelligent pump controller M531 is an easy to use ,controlling and protection device for three phase ,DOL start pump products with output power range from 0.75-7.5KW .
Product function / features :
Over load protection
Pump stalled protection
Dry run protection with sensor free
Under voltage protection
Over voltage protection
Open
Push button calibration
Memory function when power off & recovery
Application :Control and protect universal pump
Using water level sensor or float switch to control pump start and stop
Applied for water supply by liquid level control through float switch or liquid probe
Applied for water supply by pressure control through pressure switch and pressure tank
Applied for drainage by liquid level control through float switch or liquid probe
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