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3Ø Digital Motor Protection Relay

Brand: Selec

Product: MPR-341-2
 
  • Monitors: Phase loss, Phase unbalance, Phase sequence, Overload trip current, Under / Over current in 3Ø motors.
  • Accuracy : 5% of set value.
  • 2 C/O output relay.
  • Auto / Remote test available.
  • MPCT range : 10A - 80A
  • Earth Fault Current Measurement with EFCT : 1A to 160A
  • Aux supply : 90 - 270V AC / DC
 

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SKU: MPR-341-2

Categories: Meters, Relays, Timers, Counters, APFC

Measuring ParameterMonitors Over Load (As per NEMA Curve), Over Current, Under Current, Earth Fault, Lock Current, Current Asymmetry, Phase Sequence, Phase Failure
Electrical Connection3Ø - 3W
Test / ResetManual / Auto reset
No. of LED2
Voltage Measuring Range90V - 270V AC / DC
Earth Fault Current Measurement with EFCT31A to 160A
Current Measuring Range3A - 80A (via external MPCT)
Power Consumption4VA (max)
Output ContactTrip 1 C/O Alarm 1 C/O (Programmable as Trip / Alarm),
Relay Rating NO 5A@250V AC / 28VDCNC 3A@250V AC / 28VDC
AccuracyTime ±5%+100msec Current 5% of IR(Rated Current),
Reset Auto / Manual
Functional SpecificationsOver Load NEMA class : Start with OFF then Curve 5, 10, 15, 20, 30,
Over Current Ranges : Start With OFF then 4A TO 480A of IR (Rated Current) Step Size : 1A









Time Setting
Over Current Trip Time: 0 - 999sec,
Under Current Ranges : Start With OFF then 1A TO 79A,
Of IR (Rated Current) Step Size : 1A,
Under Current Trip Time: 0 - 999sec,
Current Asymmetry Ranges : Start With OFF then 1A TO (Ir-1)A,
Of IR (Rated Current) Step Size : 1A,
Current Asymmetry Trip time: 0 - 999sec,
Locked current / Stall current: (Ir+1)A to 60A(Default :20A),
(Ir+1)A to 240A(Default : 80A),
(Ir+1)A to 480A(Default: 160A) Step Size : 1A,
Locked Current Trip time: 0 - 999sec,
Earth Fault Ranges : Start With OFF then 1A TO 160A,
Step Size : 1%,
Earth Fault Trip time: 0 - 999sec,
Phase Loss trip time: Instantaneous,
Phase Reversal Trip time: Instantaneous
Auto Restart Attempt Time Frame0 - 999sec for Current related parameter,
0 - 999sec for EFR
MountingPanel Mount
Size96 X 96mm

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MPR-341_Datasheet.pdf 29-03-2024 942.34 KB
MPR-341_Instruction_Manual.pdf 29-03-2024 698.65 KB

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