For every motor, some form of electrical control is required, from simple ON/OFF to more complex variable speed applications. Motor control devices encompass simple manual controllers, motor contactors and starters, drives and soft starters.
AC and DC motors are used throughout industry in a wide range of applications. Conveyors, pumps, fans, blowers, drills, cranes, augers, and more all use motors to provide the needed motion with the necessary torque and speed. Motor control devices provide a method of controlling these motors, and vary from simple ON/OFF, all-or-nothing control to advanced speed control using variable frequency drives (VFDs) and soft starters.
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IEC motor starters are used to operate polyphase induction motors and protect them against running or stalled overcurrents, with components that meet IEC standards. Configurations include open frame units or starters in pre-wired enclosures, from brands such as WEG and Eaton.
IEC manual motor protectors provide an all-in-one motor control/protection solution integrating control, disconnecting means, and circuit protection. A full line of accessories includes shunt trips, external handles, and mounting hardware.
IEC magnetic contactors provide electrically operated load control for diverse load switching needs. Contactors are available in capacities up to 360A, from brands such as WEG, Fuji, Eaton, and AutomationDirect; miniature contactors offer high horsepower ratings in a small footprint.
IEC overload relays provide reliable and accurate electronic or thermal protection from device or component overload or phase loss. Available in various amperage capacities with models offering configurable parameters, self-powered operation, and communications capabilities.
Definite purpose contactors are designed for application-specific use, such as HVAC or compressors, providing reliable load control that can handle diverse switching needs. These compact contactors are available in up to 60A capacities, in 1- or 3-phase configurations, and with coil voltages from 120 to 480 VAC.
Manual motor controllers and disconnects safely control and disconnect power from motors. UL 508 rated open frame and enclosed devices are available from reliable brands including Bryant, Merz, and Socomec.
Motor control relays perform protective functions for motors and components to ensure proper and efficient operation.
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A wide range of AC variable frequency drives (VFD) is available for motor speed control and other industrial control applications.
Solid state soft starters provide many advantages when used instead of electro-mechanical contactors, including reduced shock and starting stress on motors, resulting in an extended motor lifespan.
IronHorse DC drives can accommodate from 1/50hp @ 12VDC out (with 12VDC in) up to 3hp @ 180VDC out (with 240VAC in). DC motors and drives can provide several advantages:
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