directional feeder protection relays
ANSI: 27 | 46 | 46BC | 47 | 50 | 50N | 50BC | 50BF| 51 | 51N | 59 | 59N | 64R | 67P | 67N | 74 | 79 | 86 | VTS/60 | CTS
ADR 245B - BASIC
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
ADR 245B - 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