| RED670 A42, Ver. 2.2 | Article: RED670 A42, Ver. 2.2 Line differential protection , Single breaker, 1/3 phase tripping, 2-3 line ends | |
| RED670 B33, Ver. 2.2 | Article: RED670 B33, Ver. 2.2 Line differential protection , Multi breaker, 1/3 phase tripping, 2-5 line ends | |
| RED670 B42, Ver. 2.2 | Article: RED670 B42, Ver. 2.2 Line differential protection , Multi breaker, 1/3 phase tripping, 2-3 line ends | |
| RED670 C42, Ver. 2.2 | Article: RED670 C42, Ver. 2.2 Line differential protection , Single breaker, 1/3 phase tripping, with distance protection | |
| RED670 F00, Ver. 2.2 | Article: RED670 F00, Ver. 2.2 Line differential protection | |
