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  • M-Commander is a micro-processor based Motor protection and Pump management system, suitable for 2 pumps,
  • Sensing voltage, current and temperature,
  • Protecting against Phase Failure, Unbalance,
  • Phase sequence, Under/over voltage,
  • Overloading, dry running, winding over temperature,
  • Over current/Short circuit,
  • Locked rotor, earth fault. Auto/Manual resetting,
  • Adjustable trip settings for UV/OV,
  • UC/OC, O/L, Locked rotor & earth fault,
  • On delay & start-up delay adjustable,
  • 2x1CO output relays RTC based time settings,
  • Water level control.
    Motor protection Includes
  • Under /Over voltage protection
  • Single/Reverse phasing protection
  • Voltage / Current unbalance
  • Overload trip
  • Over current protection
  • Dry running protection
  • Earth fault protection
  • PTC based winding overheating protection
 
    Pump Management System Features
  • Auto Change over between two pumps
  • Intelligent resetting facility
  • On-site programming facility
  • Password protection for programming
  • Pump On-Off timer programmable for 10 times a day, with advance programming of 7 days
  • Provision for water level control
  • Run-time compensation
  • Ideal for Pump Automation & Unmanned Pumping Stations
    Supply Voltage
  • System 415 V AC +20%,-25% 50/60Hz ± 3%
  • Auxillary 90-270 VAC/DC ± 20%, 50Hz
    Output Contacts
  • Output Contacts4 x 1 CO Relays (for 2 pumps)
    Current sensor
  • Current sensorExternal CT5 / CT20 / CT50
    Reset
  • ResetAuto/ Multi-Attempt / Manual
    Unbalance
  • Unbalance1-20% ± 6V for Voltage Unbalance 20-60% ± 5% of current unbalance
    Overload
  • OverloadAs per inverse time characteristics
    Over Current / Short Circuit
  • Over Current / Short Circuit300% - 800%
    Locked Rotor
  • Locked Rotor200% - 500%
    Earth Fault
  • Earth Fault30% - 80%
    Winding Overheating
  • Winding OverheatingAs per PTC temperature characteristics
    Under Voltage
  • Under Voltage75% - 95% of system supply (adjustable)
    Over Voltage
  • Over Voltage105%-120% of system supply (adjustable)
    Dry Running
  • Dry Running30-90% of Imax
    Display
  • Display16x2 Ch. (Backlit LCD)
    Level Control
  • Level ControlUpper tank full Lower tank empty
    Weight
  • Weight800 gms.
    Note:
  • Wherever not specified Contact Rating: 5A @ 230 V AC (resistive)
Relay contact position shown in 'Power off' condition
Suitable for Panels in Following Applications:
  • Pump House Automation.

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