Required tools.................................................................................. 33Connecting wires.............................................................................. 33Connecting ring-lug type wires.................................................... 34Connecting protective earthing.........................................................34Connecting analog signals............................................................... 35Connecting current and voltage inputs ....................................... 35Connecting current and voltage sensor signalling inputs............ 39Connecting protection relay with a test switch.............................42Connecting binary signals................................................................ 42Connecting power supply................................................................. 44Connecting communication.............................................................. 45Energizing protection relay............................................................... 45Section 6 Removing, repairing and exchanging.............................47Product lifecycle............................................................................... 47Checking protection relay information.............................................. 47Removing protection relay................................................................48Sending protection relay for repair................................................... 48Exchanging protection relay............................................................. 49Section 7 Technical data................................................................ 51Case and HMI display variants.........................................................51Front side of the protection relay................................................. 51Rear side of the protection relay..................................................52Dimensions.......................................................................................53Enclosure class................................................................................ 54Section 8 Accessories and ordering data.......................................55Section 9 Glossary......................................................................... 57Table of contents2 REC615 and RER615Installation Manual