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Models 5E, 5F, 5G & 5H Electric Switch Machines: Single ... - Alstom

Models 5E, 5F, 5G & 5H Electric Switch Machines: Single ... - Alstom

Models 5E, 5F, 5G & 5H Electric Switch Machines: Single ... - Alstom

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Theory of OperationWARNINGADHERE TO ALL APPLICABLE WARNINGS WHEN WORKING ONSWITCH MACHINES AND SWITCH LAYOUTS. DISCONNECTELECTRICAL ENERGY WHENEVER POSSIBLE AND WHENINSTRUCTED, WHILE WORKING ON THE SWITCH MACHINE ORSWITCH LAYOUT. INJURY COULD RESULT FROM ELECTRICALSHOCK DUE TO EXPOSED WIRES AND ELECTRICAL DEVICES, ASWELL AS INJURY FROM OPEN GEARS OR MOVING SWITCH POINTSDUE TO UNEXPECTED OPERATION OF THE SWITCH MACHINE.BACKCONTACTFRONTCONTACTCONTACTORC1COILSNUBRESISTORCONTACTORC224/110VRECTIFIEROVERLOADRELAYFigure 2-34. Biased-Neutral ControllerTypical wiring diagrams for the Model <strong>5G</strong> and <strong>5H</strong> switch machines with biased-neutralcontrollers are shown in Figures 2–35 and 2–36.P1293, Rev. Jun/07 2–31 <strong>Alstom</strong> Signaling Inc.

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