PPRD-4M-3-415V - 3Ø digital Pump protection relay : Selec

Brief Specifications

Measuring ParameterMonitors Over Load (As per NEMA Curve), Over Current,Dry Run/Under Current, Locked Current, Current Asymmetry, Phase Sequence, Phase Failure, Over Voltage, Under Voltage, Voltage Asymmetry
Electrical Connection3Ø - 3
Test / ResetManual / Auto reset
LED IndicationPower ON, Trip indication
Voltage Measuring Range280V AC to 500V AC (L - L)
Power Consumption40VA (max)
Output ContactControl Output 1 C/O (SPDT),
Relay Rating NO 5A@250V AC / 28VDCNC 3A@250V AC / 28VDC

Accuracy
Current Accuracy ±5% of rated current,
Voltage Accuracy ±1% of 500V,
Time Accuracy ±5% ±100msec



Functional Specifications
Over Load NEMA class Curve 5, 10, 15, 20, 30,
Over Current Ranges 10% - 70% of Ir (Rated Current),
Under Current 20% - 80% of Ir (Rated Current),
Current Asymmetry Fixed : 50% of Ir (Rated Current),
Locked Current / Stall Current Fixed : 300% of Ir (Rated Current),
Over Voltage Fixed (480V),
Under Voltage Fixed (350V)



Time Setting
Power ON Delay 1sec (Fixed),
Trip Time Delay 0, 2, 4, 6, 8 & 10 sec,
(Current & Voltage parameters),
Auto reset time 15min,
(Current & Voltage parameters),
Phase Loss Instantaneous (<240ms),
Phase Reversal Instantaneous (<240ms)
Auto Restart Attempts3 (Fixed)
Restart Attempt Time Frame60min (Fixed) for current & voltage parameters
MountingDIN Rail Mount
Size66.50 x 70 x 90 (H x W x L)