Non Directional feeder protection relays
ADR241B
ANSI: 50 | 50N | 51 | 51N | SEF | 64R | 37 | 46 | 46BC | 50BC | 49 | 50BF | 79 | SOTF | 86 | 74 | 62
Features:
- The ADR241B relay provides four independent settings groups for flexible protection configurations.
- It includes advanced features such as high impedance restricted earth fault (64R), sensitive earth fault (SEF), and harmonic blocking/unblocking.
- Supports single/three-pole auto-reclosing, breaker failure detection (50BF), and residual overvoltage protection (59N).
- Offers comprehensive monitoring with event, fault, and disturbance recording and is SCADA-ready with multiple communication protocols (IEC60870-5-103, MODBUS, IEC104, IEC 61850).
- Features a draw-out cabinet with automatic CT shorting, backlit LCD, and a user-friendly interface with programmable LEDs and keypad.
