: AC contactors (using magnets to control circuits) and manual/automatic switches.
Heavy-duty relays used for switching large motors. ye win aung electrical device and control pdf
Achieved by wiring a normally closed (NC) auxiliary contact of Contactor A in series with the coil of Contactor B. When Contactor A is active, its auxiliary switch opens, making it physically impossible for Contactor B to energize. : AC contactors (using magnets to control circuits)
: AC contactors (using magnets to control circuits) and manual/automatic switches.
Heavy-duty relays used for switching large motors.
Achieved by wiring a normally closed (NC) auxiliary contact of Contactor A in series with the coil of Contactor B. When Contactor A is active, its auxiliary switch opens, making it physically impossible for Contactor B to energize.