Contactors, Starters, Overload Relays

A motor starter is a contactor plus an overload relay; without an overload it is just a contactor.

A motor starter starts and stops a connected motor load and will provide protection in case of a sudden loss of power or if the motor overloads. A contactor is similar to a relay (but can handle larger amounts of electrical power and handle higher voltage loads) and is used for switching current on and off in a circuit. Contactors are used to control electrical loads and motors without providing overload protection.

a.k.a. motor starter, IEC contactor, dp contactor, thermal overload relay, motor protectors

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  • weg_esw_box8_reset_5__12213.jpg

    Weg

    ESW-105V24E-R45

    Enclosed Starter, 40hp@230V, 105A, 208-240V Coil, Reset Only, NEMA 1, 90-112A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box8_onoffreset_4__47523.jpg

    Weg

    ESW-105V47A-R44

    Enclosed Starter, 75hp@460V, 105A, 480V Coil, Start/Stop+Reset, NEMA 1, 75-97A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box8_reset_7__37274.jpg

    Weg

    ESW-105V47E-R44

    Enclosed Starter, 75hp@460V, 105A, 480V Coil, Reset Only, NEMA 1, 75-97A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

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    Weg

    ESW-65V24A-R39

    Enclosed Starter, 20hp@230V, 65A, 208-240V Coil, Start/Stop+Reset, NEMA 1, 40-57A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box8_onoffreset__02507.jpg

    Weg

    ESW-95V18A-R43

    Enclosed Starter, 30hp@230V, 95A, 120V Coil, Start/Stop+Reset, NEMA 1, 63-80A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box8_reset__57355.jpg

    Weg

    ESW-95V18E-R43

    Enclosed Starter, 30hp@230V, 95A, 120V Coil, Reset Only, NEMA 1, 63-80A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box8_onoffreset_5__75837.jpg

    Weg

    ESW-95V24A-R43

    Enclosed Starter, 30hp@230V, 95A, 208-240V Coil, Start/Stop+Reset, NEMA 1, 63-80A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box8_reset_1__73557.jpg

    Weg

    ESW-95V24E-R43

    Enclosed Starter, 30hp@230V, 95A, 208-240V Coil, Reset Only, NEMA 1, 63-80A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box8_onoffreset_6__33842.jpg

    Weg

    ESW-95V47A-R43

    Enclosed Starter, 30hp@230V, 95A, 480V Coil, Start/Stop+Reset, NEMA 1, 63-80A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box8_reset_4__17474.jpg

    Weg

    ESW-95V47E-R43

    Enclosed Starter, 30hp@230V, 95A, 480V Coil, Reset Only, NEMA 1, 63-80A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box4_reset_onoff_12__19240.jpg

    Weg

    ESW-B12D15A-R30

    Enclosed Starter, 7.5hp@460V, 12A, 120V Coil, Start/Stop+Reset, NEMA 1, 8-12A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

  • weg_esw_box4_reset_12__06592.jpg

    Weg

    ESW-B12D15E-R30

    Enclosed Starter, 7.5hp@460V, 12 Amp (12A), 120V Coil, Reset Only, 8-12.5A (RW27) Overload Range, 3 Phase, NEMA 1 Metallic Enclosure, Full Voltage, Non-Reversing, Non-Combination

A motor starter is a contactor plus an overload relay; without an overload it is just a contactor.

A motor starter starts and stops a connected motor load and will provide protection in case of a sudden loss of power or if the motor overloads. A contactor is similar to a relay (but can handle larger amounts of electrical power and handle higher voltage loads) and is used for switching current on and off in a circuit. Contactors are used to control electrical loads and motors without providing overload protection.

a.k.a. motor starter, IEC contactor, dp contactor, thermal overload relay, motor protectors