Directional feeder protection relays

ADR245B - ENHANCED

ANSI: 25 | 27 | 32P | 37 | 46 | 46BC | 47 | 49 | 50 | 50N | 50BC | 50BF | 51 | 51N | 51V | 55 | 59 | 59N | 62 | 64R | 67P | 67N | 74 | 79 | 81O/U | 81R | 86 | VTS/60 | CTS | SOTF

Features:

  • Economical and reliable ADR245B Protection & Control System designed for transmission lines, underground cables, and distributed feeders.
  • Offers four independent settings groups and directional/non-directional phase and ground overcurrent protection with multiple independent stages.
  • Includes inverse time, thermal overload (49), and broken conductor (46BC) protections.
  • Advanced features like frequency protection, rate of frequency change (81/81R), fault locator (optional), and sync check (optional).
  • Comprehensive communication support with IEC60870-5-103, MODBUS, IEC104, IEC 61850, and PRP/HSR for redundancy.
  • User-friendly interface with LCD, programmable LEDs, metering, and memory functions.
  • Designed for efficient operation with SCADA integration and local/remote settings accessibility.