Professional pump protection M121
The M121 Intelligent Pump Controller is an easy-to-use control and protection device for direct connection of deep well pumps, submersible pumps and surface pumps.
M-121 is perfect for single-phase pumps from 0.75 kW to 2.2 kW (from 1 HP to 3 HP)
Controller operating functions
- Automatic re-start attempt after emergency stop enforced by one of the protection functions. Different self-activation timers for different emergency conditions.
- Possibility to calibrate the controller and change its calibration to match the pump parameters.
- Manual or automatic operating mode.
- Activating and deactivating the pump depending on:
- water levels in the tank from which water is pumped,
- water levels in the tank to which water is pumped,
- pressure in the tank to which water is pumped.
Controller protection functions
- Overload protection.
- Voltage drop protection.
- Voltage surge protection.
- High voltage protection.
- Short circuit protection.
- Overvoltage protection.
- Doubly dry run protection by means of:
- liquid level probes / sensors
- Analysis of current consumption during pump operation.
Inquiry
More information about personal data can be found here!
