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DC Earth Leakage Relays

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DC Earth Leakage Relays offered by us works on the principle of sensing the leakage current through Resistor Bridge. It senses the DC Earth leakage current for any equipment like switch boards, rectifiers, and battery chargers by sensing resistance between Positive-Negative terminals of DC system & earth. The lower resistance results in the loss of life or damage to equipment.

Features:

  • Available with Auto/Manual reset & test facility
  • Highly rugged & error proof
  • Choice of self powered relays
  • Calibrated scale with ± 5% Accuracy &
  • Indications for Healthy, Faulty & Relay ' ON'

Technical Specifications:


  • Supply voltage: 90-270V AC/DC or 12 / 24V/48V DC
  • Output contacts: Two change over (potential free)
  • Switching duty: 6A resistive at 24V DC or 240V AC
  • Signal: From Battery Terminals & Earth (12V, 24V, 48V, 110V/220V/300V Max.)
  • Time delay(optional): 0 -10 Sec (Settable)
  • Setting accuracy: ±5 % of Full Scale
  • Mounting: On any standard mounting channel
  • Reset: Auto/Manual reset facility
  • Dimension: 77 mm (W) X 90 mm (H) X 110 mm (D)

      Technical Data


      Supply Voltage

      90-270V AC/DC or 12 / 24V/48V DC.

      Output Contacts

      Two change over (Potential Free)

      Switching duty

      6A resistive at 24V DC or 240V AC.

      Signal

      From Battery Terminals & Earth

      (12V,24V,48V,110V/220V/300VMax.)

      Time delay (optional)

      0-10 sees. Settable

      Reset

      Auto/Manual reseting facility.

      Setting Accuracy

      ±5 % of Full Scale.

      Mounting

      On any standard mounting channel.

      Dimension

      77mm(W) X 90mm(H) X 110mm(D).

      The relay senses the DC Earth leakage current for any equipments like Switch boards, Rectifiers, Battery Chargers by sensing Resistance between Positive- Negative Terminals of DC System & earth. Thus leakage current if any will be dependent on the resistance value between respective terminals, Higher the resistance , lower is the leakage current & vice versa. Lower resistance results in to loss of life or damage to equipment. PROTIME's Earth leakage relay senses leakage current through Resistor Bridge & energizes relay when Resistance

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