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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Product Price Rating Action
  • Available Now!
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    Available Now!

    Weg

    ESW-B18V24A-R32

    Enclosed Starter, 5hp@230V, 18A, 208-240V Coil, Start/Stop+Reset, NEMA 1, 11-17A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

    $153.52
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    $153.52
    Add to Cart
  • Available Now!
    weg_pesw_single_9__57231.jpg
    Available Now!

    Weg

    PESWS-B25V24AX-RM67

    Enclosed Starter, 1.5hp@115V / 5hp@230V 25A 208-240V Coil, Start / Stop+Reset, 15-23A Overload Range, Single Phase, Non-Metallic Enclosure, NEMA 4X, Full Voltage, Non-Reversing, Non-Combination

    $113.49
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    $113.49
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  • Available Now!
    mms-32h_24__20417.jpg
    Available Now!

    LS Electric

    0705104200

    Manual Motor Starter, 4A, (2.5-4A), 32F, High Breaking Capacity, Overload & Instantaneous Protection, This is the Latest Version of (0705000800, 705000800, MMS-32H 4A EXP)

    $74.52
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    $74.52
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  • Available Now!
    weg_esw_box4_reset_22__43060.jpg
    Available Now!

    Weg

    ESW-B32V24E-R34

    Enclosed Starter, 10hp@230V, 32A, 208-240V Coil, Reset Only, NEMA 1, 22-32A Overload Range, 3 Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination

    $156.07
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    $156.07
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  • Available Now!
    weg_rw27-2d_2_24__29144.jpg
    Available Now!

    Weg

    RW27-2D2-U040

    Thermal Overload Relay, Trigger Classification 10, 2 Pole, 2NO, 25-40 Amp Range, Use with CWB9 to CWB38 Contactor Models, 2.83 x 1.77 x 3.23", RW Series (Bi-Metallic)

    $32.95
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    $32.95
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  • Available Now!
    weg_rwb40e_2__75688.jpg
    Available Now!

    Weg

    RWB40E-3-A4U025

    Overload Relay, Solid State, 3 Pole, 5-25A, Adjustable Trip Class: 10, 20 or 30, Selectable Automatic/Manual Reset Button, Use with CWB9 to CWB38 Contactor Models

    $60.63
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    $60.63
    Add to Cart

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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