Pilot Wire


Pilot Wire

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Pilot Wire

3A20 Pilot Wire Intertrip Send & Receive Relays

  • 3A200 RECEIVE relay
  • 3A201 SEND relay
  • 3A202 combined SEND &RECEIVE relay
  • 3A203 2x 3A200 elements percase
  • System immunity to AC voltages
  • High isolation between coil &contacts & case up to 15KV
  • High DC sensitivity
  • High visibility mechanical handreset or self reset flag
  • Heavy duty self reset contacts
  • Optional magneticblowout contacts for enhanced DC switching capacity„
  • Made in Australia
Pilot Wire

3A300 Pilot Wire DC Intertrip System

  • Bi-directional group intertripping of up to four (4) stations (sites)
  • Operates using conventional metallic pilot wires
  • 0 to 2K ohm & 0 to 2uF pilot wire characteristic
  • Inherent 5KV or 15KV isolation
  • Integrated pilot wire supervision system to identify location of pilot faults
  • Extensive self supervision features to ensure tripping integrity
  • Integrated trip circuit supply supervision
  • Simple to set up & commission
  • Flush, rack or projection mounting
  • M4 screws for control wiring
  • M5 studs for pilot cable connection with clear protective isolation cover
  • Made in Australia
Pilot Wire

3A400 Pilot Wire Supervision System

  • Integrated pilot wire supervision system for current differential protection schemes
  • Operates using conventional metallic pilot wire (0 to 2K Ohm pilot resistance)
  • Inherent 5KV or 15KV isolation No external components required
  • Integrated pilot protection discrimination timer
  • Extensive self supervision features to ensure functional integrity
  • Supervision alarm contacts provided at both ends of pilot
  • Simple to set up & commission
  • Flush or 4U 19″ rack mounting
  • M4 screws for control wiring
  • M5 studs for pilot cable connection with clear protective isolation cover
  • Made in Australia