Couplers & I/O modules: Item no. 750-495 3-Phase Power Measurement; 690 VAC, 1 A Item no. 750-495 3-Phase Power Measurement Please wait ... List price per piece* On request Price and availability after Your price per piece* On request PU (SPU): 1 Piece Item no. 750-495 3-Phase Power Measurement Please wait ... List price per piece* On request Price and availability after Your price per piece* On request PU (SPU): 1 Piece