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Rockwell Automation Updates Branch Motor Control & Protection Solutions Portfolio

The recent overhaul was brought on by a need to update full systems where components are used to turn on and off motors of all sizes while helping protect the motors from overloading during operation.

E100 Electronic Overload

This content was written and submitted by the supplier. It has only been modified to comply with this publication’s space and style.

Basic across-the-line motor starters remain ubiquitous in industrial applications despite the proliferation of solid-state motor starting technologies. These components comprise motor starting contactors, motor-specific circuit breakers and motor-overload relays, where depending on the application, the motor overload functionality can be incorporated in the circuit breaker or applied as a separate component.

For machine designers, selecting and applying the correct combination of products to meet diverse global standards for motor control can be challenging and time-consuming. Rockwell Automation is committed to making this process easier by testing and certifying all valid combinations of its Allen-Bradley® Branch Motor Control & Protection Solutions components to UL and IEC standards, so customers can easily document the compliance of their system to these standards using the company’s online Global Short-Circuit Current Rating (SCCR) tool.

One of the significant advantages of the system is the availability of the wide-range, energy-saving coils for Bulletin 100-E architecture-class contactors. These coils use much less energy in operation, and cover AC and DC control circuits from 24 to 240 volts, making selection much easier. Safety versions of the contactors are available, as well as NEMA-rated options. Bulletin E100 Electronic Overload Relays (shown) are now also compatible with Bulletin 100-E and 100-C contactors to enhance systems.


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