ABB REF542plus Installation And Commissioning Manual page 17

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REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
Figure 2: REF542plus connector plate for the short case mixed analog input version
Figure 3: REF542plus connector plate for analog input with transformers or with sensors
DMS,2001-10-04 REF542plus: Installation and Commissioning 17 / 80