| REL670 A21, RES EARTH, Ver. 1.2 | Article: REL670 A21, RES EARTH, Ver. 1.2 Line distance protection , Resistance earthed systems | |
| REL670 A31, 3Ph/1CB, Ver. 1.2 | Article: REL670 A31, 3Ph/1CB, Ver. 1.2 Line distance protection , Single Breaker, 3-Phase Tripping | |
| REL670 A32, 1Ph/1CB, Ver. 1.2 | Article: REL670 A32, 1Ph/1CB, Ver. 1.2 Line distance protection , Single Breaker, 1-Phase Tripping | |
| REL670 B31, 3Ph/2CB, Ver. 1.2 | Article: REL670 B31, 3Ph/2CB, Ver. 1.2 Line distance protection , Multi Breaker, 3-Phase Tripping | |
| REL670 B32, 1Ph/2CB, Ver. 1.2 | Article: REL670 B32, 1Ph/2CB, Ver. 1.2 Line distance protection , Multi Breaker, 1-Phase Tripping | |
| REL670, Ver. 1.2 | Article: REL670, Ver. 1.2 Line distance protection | |
