Wiring Diagram Motor Control System. A universal electric motor is designed to operate on either alternating current or direct current acdc. Ansiieee standard device numbers.
In figure 14 the wires on each side of the m con tacts trace back to points 2 and 3 on either side of the start pushbutton. Continuous motor operation with a momentary start switch is possible if a normally open seal in contact from the contactor is connected in parallel with the start switch so that once the contactor is energized it maintains power to itself and keeps itself. A universal electric motor is designed to operate on either alternating current or direct current acdc.
Hot to 480 vac 120 vac neutral.
Control circuit devices and switching elements. 1 master element 2 time delay starting or closing relay 3 checking or interlocking relay 4 master contactor 5 stopping device 6 starting circuit breaker 7 rate of change relay 8 control power disconnecting device 9 reversing device 10 unit. Single phase power is supplied from lines 1 and 2 and a motor coil is the load. Mike holt enterprises inc.