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Minilec F3 MPR1 Microprocessor Based Motor Protection Relay

Minilec F3 MPR1 Microprocessor Based Motor Protection Relay

Brand
Minilec
Model number
F3 MPR1

Minilec F3 MPR1 microprocessor based motor protection relay, for 220-440 V AC ±20% supply. Typical uses: crane motors, AHU fan /pump motors, heavy duty motors.

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Key features

  • Microcontroller based
  • Sensing, current and temperature
  • Protecting against Phase Failure
  • Unbalance
  • Locked rotor, Adjustable trip Setting for UC/OC, O/L
  • Phase sequence, Overloading
  • Winding over temperature
  • Over current/Short circuit
  • Auto/Manual resetting
  • Locked rotor & earth fault
  • On delay & start-up delay adjustable
  • 2x1CO output relays and serial communication port

Specifications

Specifications
Output Relay Contact2 CO (5 Amp .230 V AC reistive)
Serial CommunicationProvision of RS485 Output
InputExternal CTS ( CT1/CT2.5/CT5/CT20/CT50 )
Display16x2 (Back lit LCD Display)
Operating Temperature0°C to 60°C
HumidityUpto 95% Rh
EnclosureF3 Series ABS
Approx Weight Unit400 gms
NoteWherever not specified Contact Rating: 5A @ 230 V AC (resistive)
Supply Voltage
System220-440 V AC ±20%
Auxiliary90-270 V AC/DC (45-65 Hz), 24 V DC
Dimensions (mm)
Overall (L x W x D)96 x 96 x 80
Mounting (L x W)Panel Mounting - 92 x 92
Models and ratings
Over load Trip Setting As per IDMTL CharSetting Range 2/5/10/15/20 Sec, LCD Display Over Load, Resetting Mode Manual
Unbalance Trip SettingSetting Range 20%-60%, Trip Delay 1-10 Sec, LCD Display Current Unbalanced, Resetting Mode Manual/Multi Attempt
Phase FailureTrip Delay 1-10 Sec, LCD Display Current S.P, Resetting Mode Manual
Reverse PhasingTrip Delay Instant, LCD Display Phase Reversal, Resetting Mode Manual
Under CurrentSetting Range 30%-90%, Trip Delay 1-60 Sec, LCD Display Under Current, Resetting Mode Manual/Multi Attempt
Over CurrentSetting Range 300%-800%, Trip Delay 2-25 Sec, LCD Display Over Current
Lock RotorSetting Range 200%-500%, Trip Delay 1-10 Sec, LCD Display Rotor Lock, Resetting Mode Manual
Earth Fault SettingSetting Range 10%-100%, Trip Delay 0.5 - 10 Sec, LCD Display Earth Fault, Resetting Mode Manual
Over Temp.Setting Range 70°C to 180°C, Trip Delay 1-20 Sec, LCD Display Sensor Fail Motor Temp. High, Resetting Mode Auto/ Manual
Product
ApplicationsCrane Motors, AHU Fan /Pump Motors, Heavy Duty Motors, Screw Compressors, HT Motors, Pump protection, Pump House Automation

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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