| REG670 A20, Ver. 2.1 | Article: REG670 A20, Ver. 2.1 Generator protection, Generator differential and back-up | |
| REG670 B30, Ver. 2.1 | Article: REG670 B30, Ver. 2.1 Generator protection, Generator differential and generator / transformer back-up | |
| REG670 C30, Ver. 2.1 | Article: REG670 C30, Ver. 2.1 Generator protection, Generator / transformer differential and back-up | |
| REG670 F00, Ver. 2.1 | Article: REG670 F00, Ver. 2.1 Generator protection | |
| REG670 N00, Ver. 2.1 | Article: REG670 N00, Ver. 2.1 Generator protection, 61850-9-2 LE | |
