Residual Current Release Relay with Converter

RESIDUAL CURRENT (RCD) RELEASE RELAY, FIR

Residual current release relay in combination with core-balance transformers. Switch-off can be achieved with undervoltage- and shunt releases or a contactor.

RESIDUAL CURRENT (RCD) RELEASE RELAY, FIR

DESCRIPTION

  • TYPE
  • ORDER NO.

Rated fault currentΔI n = 0.03 A Pulse current sensitive

  • FIR–003
  • MC900001

Rated fault current IΔn = 0.3 A Pulse current sensitive

  • FIR–03
  • MC900002

Rated fault current IΔn = 0.03...5 A Pulse current sensitive

  • FIR–5
  • MC900003

CORE-BALANCE TRANSFORMER FRI-WS, FIR-WR

  • The internal diameter of the transformer d1 must be 1,5x wider than the average cross-section d2 of the inserted conductors.
  • For load circuits with inrush current> 4 x In, magnetic shielding is required (available upon request).

CORE-BALANCE TRANSFORMER FRI-WS, FIR-WR

DESCRIPTION

  • TYPE
  • ORDER NO.

ROUND CORE-BALANCE TRANSFORMER

  • Internal diameter 20 mm
    • FIR–WS–20
    • MC900020
  • Internal diameter 30 mm
    • FIR–WS–30
    • MC900030
  • Internal diameter 35 mm
    • FIR–WS–35
    • MC900035
  • Internal diameter 70 mm
    • FIR–WS–70
    • MC900070
  • Internal diameter 105 mm
    • FIR–WS–105
    • MC900105
  • Internal diameter 140 mm
    • FIR–WS–140
    • MC900140
  • Internal diameter 210 mm
    • FIR–WS–210
    • MC900210

RECTANGULAR CORE-BALANCE TRANSFORMER

  • 70x175 mm
    • FIR–WR–175
    • MC910175
  • 115x305 mm
    • FIR–WR–305
    • MC910305
  • 150x350 mm
    • FIR–WR–350
    • MC910350

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