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Motor Starter Contactors

Motor starter contactors are electrically operated switches that control the power that drives an electric motor. They are meant to handle the high volume of electric power needed by motors and are just what their name suggests: devices that start and stop electric motors safely and efficiently, using electromagnetic forces to open or close their contacts.

A motor starter contactor is an electrically controlled switch similar to a relay. A motor starter is a contactor that also has an overload relay. A motor starter contactor applies voltage to a contactor coil to close the contacts and to supply and interrupt electrical power to the circuit. A motor starter employs overload relays to protect the motor from load surges by shutting it down to prevent overheating.

Moving beyond simple on/off switching, motor starter contactors can also be equipped with something called auxiliary contacts. These power no other devices, save the switched motor current. They exist for control and signaling purposes, providing feedback to control systems, or even as a part of safety interlocks that would prevent a motor's unintended operation.

Products

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$716.70
Eaton C25DNF350T-GL - Mounting plate, Quick, Quick connect ,24 Vac, 50/60 Hz, Open with metal mounting plate, 15-50A, two- and three-pole, Contactor, Three-pole, Global listed, D1, Box lugs (posidrive setscrew), Non-reversing
$113.88
Lovato 11BG09T4A04860 - Four-pole contactor, AC coil 60Hz, 48VAC, Screw / DIN rail 35mm
$113.88
Lovato 11BG09T4A048 - Four-pole contactor, AC coil 50/60Hz, 48VAC, Screw / DIN rail 35mm
$82.60
Lovato 11BG0040A46060 - Control relay with AC coil 60Hz, 460VAC, 4NO, Screw / DIN rail 35mm
$82.60
Lovato 11BG0022A04860 - Control relay with AC coil 60Hz, 48VAC, 2NO and 2NC, Screw / DIN rail 35mm
$82.60
Lovato 11BG0022A048 - Control relay with AC coil 50/60Hz, 48VAC, 2NO and 2NC, Screw / DIN rail 35mm
$139.52
Lovato 11BG1210A400 - Three-pole contactor, IEC operating current Ie (AC3) = 12A, AC coil 50/60Hz, 400VAC, 1NO auxiliary contact, Screw / DIN rail 35mm
$139.52
Lovato 11BG1201A024 - Three-pole contactor, IEC operating current Ie (AC3) = 12A, AC coil 50/60Hz, 24VAC, 1NC auxiliary contact, Screw / DIN rail 35mm
$110.19
Lovato 11BG0910A400 - Three-pole contactor, IEC operating current Ie (AC3) = 9A, AC coil 50/60Hz, 400VAC, 1NO auxiliary contact, Screw / DIN rail 35mm
$110.19
Lovato 11BG0910A04860 - Three-pole contactor, IEC operating current Ie (AC3) = 9A, AC coil 60Hz, 48VAC, 1NO auxiliary contact, Screw / DIN rail 35mm
$110.19
Lovato 11BG0910A048 - Three-pole contactor, IEC operating current Ie (AC3) = 9A, AC coil 50/60Hz, 48VAC, 1NO auxiliary contact, Screw / DIN rail 35mm
$110.19
Lovato 11BG0901A57560 - Three-pole contactor, IEC operating current Ie (AC3) = 9A, AC coil 60Hz, 575VAC, 1NC auxiliary contact, Screw / DIN rail 35mm