Directional feeder protection relays

adr245b - basic

Features:

ANSI: 27 | 46 | 46BC | 47 | 50 | 50N | 50BC | 50BF| 51 | 51N | 59 | 59N | 64R | 67P | 67N | 74 | 79 | 86 | VTS/60 | CTS

  • Offers two independent settings groups and supports directional/non-directional phase and ground overcurrent protection with four independent stages for phase and three for ground.
  • Includes high impedance restricted earth fault protection (64R), inverse and definite time overcurrent, and phase sequence overvoltage protection (46, 47).
  • Equipped with multi-shot auto-reclosing (4 shots), breaker failure detection (50BF), VT/CT supervision, and trip circuit supervision.
  • Provides extensive communication options with protocols like IEC60870-5-103, MODBUS, and IEC 61850, along with SCADA-ready Ethernet ports.
  • Features a user-friendly interface with a 20×4 backlit LCD, programmable dual-color LEDs, and metering functions for voltage, current, power, and frequency.