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Line 68: 43 - Manual Transfer or Selector Device 44 - Unit Sequence Starting Relay 45 - Atmospheric Condition Monitor (fumes, smoke, fire) 45 - Fire Detector 46 - Reverse-Phase or Phase Balance Current Relay or Stator Current Unbalance 47 - Phase-Sequence or Phase Balance Voltage Relay

ANSI device numbers: Difference between revisions