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Minilec D3 DMPR1 Microprocessor Based Motor Protection Relay

Minilec D3 DMPR1 Microprocessor Based Motor Protection Relay

Brand
Minilec
Model number
D3 DMPR1

Minilec D3 DMPR1 microprocessor based motor protection relay with 2 CO output, for 380 - 440 V AC ± 20%, 45 - 55 Hz. supply.

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Key features

  • Micro controller based
  • Sensing current
  • Protecting against Phase Failure, Unbalance, Phase sequence, overloading, Over current/Short circuit, locked rotor,
  • Auto/Manual resetting
  • Adjustable trip settings for UC/OC, O/L, Locked rotor & earth fault
  • Start-up delay adjustable
  • 2x1CO output relays and last ten faults logging

Specifications

Specifications
Internal CT For D3 DMPR15 Amp or 20 Amp. or 50 Amp
Output Contacts2 CO
Fault MemoryLast 10 faults
ResetAuto / Manual
Display8 X 2 AN LCD
Weight400 + 150 GMS (Approx)
Overall D3 encl71 (H) x 100 (L) x 111 (D)
Overall (H x L x D)48 (H) x 96 (L) x 55 (D)
Mounting (L x W)35 mm DIN Rail
Supply Voltage
System Supply380 - 440 V AC ± 20%, 45 - 55 Hz.
Auxiliary Supply90 - 270 V AC / DC, 415 V AC
Settings and ratings
Ext. CTRange 50 - 600, Resolution 5 Amp, Fact setting 100 Amp
Set current (FLC)Range 30 to 100 % of FLA, Resolution 1 Amp, Fact setting 5 Amp
Over LoadRange Above 110 % of Set Value, Trip delay Range IDMT class 2,5,10,15,20, 30 sec, Factory setting 2 sec, By Pass Facility Yes, Reset type Auto/ Manual
Start up delayRange 0 - 60 sec, Resolution 1 sec, Fact setting 10 sec
Under CurrentRange 30 - 90%, Resolution 5%, Fact setting 50%, Trip delay Range 1- 60 sec, Factory setting 5 sec, By Pass Facility Yes, Reset type Auto/ Manual
Over CurrentRange 110 - 350%, Resolution 5%, Fact setting 200%, Trip delay Range 1 -10 sec, Factory setting 2 sec, By Pass Facility Yes, Reset type Auto/ Manual
Current UnbalanceRange 20 - 60 %, Resolution 5%, Fact setting 50%, Trip delay Range 4 sec Fixed(+/- 1 sec), Factory setting 4 sec, By Pass Facility Yes, Reset type Auto/ Manual
Current Single PhasingRange Yes, Trip delay Range 4 sec Fixed(+/- 1 sec), Factory setting 4 sec, By Pass Facility Yes, Reset type Auto/ Manual
Reverse PhaseRange Yes, Trip delay Range Instant ( < 2 sec), By Pass Facility Yes (Password protected), Reset type Auto/ Manual
StallingRange 200- 800%, Resolution 50%, Fact setting 700%, Trip delay Range Instant ( < 2 sec), By Pass Facility Yes, Reset type Auto/ Manual
Earth FaultRange 10- 100%, Resolution 10%, Fact setting 30%, Trip delay Range 0.5-10 sec, Factory setting 0.5 sec, By Pass Facility Yes, Reset type Auto/ Manual
Short CircuitRange 600 - 999%, Resolution 50%, Fact setting 800%, Trip delay Range Instant(< 2sec), By Pass Facility Yes, Reset type Auto/ Manual

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

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