Traction Protection

A22R

Features:

  • The A22R is a multifunctional protection and control system designed for traction OHE protection according to RDSO specifications.
  • It features Delta-I protection, zone distance protection, under-voltage protection, and breaker failure detection.
  • The relay includes programmable inputs and outputs, with 16 programmable LEDs for dual-color indications.
  • It supports SCADA communication with IEC60870-5-103 & IEC61850 protocols, and includes Ethernet and RS485 ports.
  • The system allows event recording, fault recording, and disturbance recording with a user-friendly interface and large LCD display.
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