Electric Motor Contactor Wiring Diagram. It uses two contactors two auxiliary contact blocks an overload relay a mechanical interlock two normally open start pushbuttons a normally closed stop pushbutton and a power supply with a fuse. Inst Maint Wiringqxd 5032008 1002 AM Page 6.
You must watch this video. Wiring diagrams sometimes called main or construc-tion diagrams show the actual connection points for the wires to the components and terminals of the controller. Wiring diagrams of small and fractional horsepower electric motors.
TERMINAL MARKINGS AND INTERNAL WIRING DIAGRAMS SINGLE PHASE AND POLYPHASE MOTORS MEETING NEMA STANDARDS See Fig.
Wire Data102 Electrical Formulas103-104 List of Tables Table 1 Standard Elementary Diagram Symbols 1 Table 2 NEMA and IEC Terminal Markings 4 Table 3 NEMA and IEC Controller Markings and Elementary Diagrams 4 Table 4 Control and Power Connections for Across-the-Line Starters 600 V or less4 Table 5 Motor Lead Connections 64. Wire strippers are available at hardware stores and electric supply stores. Note That one one of the Contactor acts as a switch for the START Button. Is the least efficient diagram among the electrical wiring diagram.