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Magnetic Starters with Thermal Overload

14 Results Found that Include 347 Products 

Results per page: 16 | 32 | 48
    Results per page: 16 | 32 | 48

      Protect expensive motors from costly overload damage with your choice of magnetic motor starters from Grainger. Most commonly used to safeguard larger 3-phase motors in industrial applications, heavy-duty motor starters include a contactor that completes the circuit to the motor and an electromagnetic overload relay that monitors the current the motor is drawing. One key advantage of a magnetic starter is that its electromagnetic relay is significantly more sensitive than a conventional thermal overload relay, so it can protect motors more effectively. Come to Grainger to find electric motor starters in a wide range of amp and voltage levels.