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Electro-DPP3-Pump-Protection-Relay

Pump Protection Relay – DPP1

R705.15

Advance pump protection relay to safeguard against damage to borehole pumps. The unit is easily calibrated and then monitors all important pump characteristics. All parameters are saved in non-volatile memory to be available even after power loss. A re-start delay ensures the borehole replenishing before pumping starts again.

 

Features:

 

  • High resolution analogue microprocessor
  • High current sensing input (up to 15A)
  • Automatic diagnosis of pump
  • Fixed start-up delay (10 sec)
  • Front face calibration / reset button
  • Monitors over and under current
  • Three retries for over current
  • Under current ( dry running ) restart delay
  • Monitors over and under voltage
  • Security input to control pump
  • Modular 35.5mm DIN rail mountable
  • High current 16A SPST output relay
  • LED indication for faults
  • LED indication for power supply ON
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Description

Input Specifications

Current Input Pin 7 & 9
Measuring Ranges 1 – 15 A
Over current limit 12%
17% extended
Recovery Time 15 sec
(3 attempts then permanent OFF)
Under current limit 8%
12%
Recovery Time 2hrs
Maximum Overload current 20 A (30 sec)
Voltage Input Pin1, 5
Measuring Range 180 – 260 VAC DPP1
Over / Under voltage limit ≤15%
≤20% (extended)
Hysteresis 5%

Output Specifications

Output Specifications SPDT
Rated Isolation Voltage 6000 VAC (contact / electric)
1000 VAC (contact / contact)
Nominal Rate in AC1 (AG-Ni) 4000 VA
Rated Current 16A
Rated Voltage 250V
Mechanical Life 10×106 cycles
Electrical Life 10×103 cycles (at max load)
Operation Frequency ≤ 1800 cycles/h

Supply Specifications

Power Suppy AC Type 110, 230, 400V ± 10%
(Galvanic) 50 / 60 Hz ± 5%
Galvanic Isolation 4kV
Consumption ± 3VA
±6 VA 525 VA

General Specifications

Power ON Delay ≤ 300 ms
Power OFF Dela ≤ 200 ms
Indication for
Power Supply ON LED green
Status LED yellow
Output ON LED red
Environment
Degree Of protection IP 20
Operating Temperature -10 to + 50°C
Storage Temperature -50 to + 85°C
Weight 200g

Additional information

Supply Voltage

525Vac, 400Vac, 230Vac, 110Vac

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