PR 20 SEMI

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Features

1. Current Range / HP :

  • 2  – 14 Amp. / 8 – 20 Amp.

2 . Protections :

  • Phase Failure (Supply Side)
  • Reverse Phase (Supply Side)
  • Voltage Unbalance
  • Remote Sensing Dryrun (Fixed at 75 % of Full Load Current)

3. Timers :

  • Power ON Timer
  • Star Delta Timer

4. Switches :

  • Auto / Manual

5. LED Indications:

  • 3 Nos.

Specifications

1. System Settings

• Input Voltage (AC) : 200 – 470 VAC, 50 Hz

2. Protections / Setting Parameters

• Pump Current Range : 2 – 14  / 8 – 20 Amps.
Sr. No. Parameter Setting Range Default setting Trip Time Delay LED
1 Phase Failure NA Fixed 4 sec ± 2 sec YES
2 Reverse Phase NA Fixed 4 sec ± 2 sec YES
3 Phase Unbalance NA Fixed 4 sec ± 2 sec YES
4 Dryrun Fixed 75 % 4 sec ± 2 sec YES

3. Timers

Sr. No. Parameter Setting Range Default setting
1 Power on Timer 3 sec – 300 sec 60 sec ± 3 sec
2 Star Delta Timer 3 sec – 60 sec 60 sec ± 3 sec

3. Reset

• Resetting mode : By Reset switch

4. Output Relay Contact :

• Relay Mechanical life : 10 lac operations
• Dielectric Strength : 2.2 KV , 50 Hz for 1 min

5. Enclosure & Mounting

• Enclosure Material : Rust Proof, Shock Proof, ABS Enclosure
• Mounting : Wall Mounting with screw
• Temperature : 5 to 60°C
• Humidity : Up to 90% RH

6. Dimensions & Weight

• L × W × D (mm) : mm
• Power Consumption : Less than 5 Watts
• Weights : gms.

Options

1 . Model : 

  • PR 20 DOL

Application

  • Agriculture
  • Irrigation
  • Domestic

Connection Diagram

INPUT 415 VOLT PHASE NO VOLT COIL ACROSS ON BUTTON
R Y B R N V S1 S2

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