PUMP PROTECTION CONTROLLER

(3 PROBES INCLUDED)

The M31 is useful in all cases where it is necessary to control and protect a single pump that manages the automatic switching on and off of different electrical installations.

Anticipated typical usage:

• Houses
• Apartment
• Holiday cottages
• Farm
• Well water supply
• irrigation of greenhouses, gardens, fields
• collection and use of rainwater
• industrial equipment
• septic tanks / sewage tanks

Main features:

Built-in function switch that works with:

• Floats
• Water level probes
• Pressure switches and pressure booster tanks

Automatic shut-off of the pump in the event of a lack of water, protection against dry-running without the need for floats or water level probes

Auto/Manual mode switch

LCD screen displaying the current status of the pump

Protecting the pump from multiple faults

Calibration button

Turn the pump on and off according to the settings of different water levels or pressure.

(NEW)

Display of accumulated pump running time

View a record of the last five crashes

RS485 communication

Basic technical characteristics:

Control characteristics:

• Dual fluid level check
• Pressure control

Control Method: Manual/Automatic

Basic technical data:

Rated Output Power:

• 0.37 kW - 2.2 kW (0.5 HP - 3 HP)
• 5.5 - 7.5 kW (7.5 HP - 10 HP)

Rated input voltage AC 380-400V ~3/ 50 Hz THREE PHASE

Overload resumption time: 30 min

Protection Features:

• Dry-running
• Overload
• Sudden power surge
• Voltage too high
• Voltage too low
• Overloaded pump
• Short circuit