Řídící kabel

• 

  3A20 Pilot Wire Intertrip Send & Receive Relays

  Features 3A200 RECEIVE relay 3A201 SEND relay 3A202 combined SEND &RECEIVE relay 3A203 2x 3A200 elements percase System immunity to ACvoltages 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 Description The operating element of the 3A20 Series is based on the…
• 

  3A300 Pilot Wire DC Intertrip System

  Features 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…
• 

  3A400 Pilot Wire Supervision System

  Features 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…