Automatic transfer switches (ATS) are critical components of any emergency or standby power system. Transfer switches are reliable, rugged, versatile and compact assemblies for transferring essential loads and electrical distribution systems from one power source to another.
A Withstand Closing Current Rating (WCR) represents a transfer switch's capability to ride out a fault condition until the overcurrent protection device clears the fault. View the video for more information.
Choosing a transfer switch
Learn more about contributing factors when choosing a transfer switch for a critical power application. View the video for more information.
NEC code change for an engine-generator remote start circuit
There has been a recent change to the 2017 edition of the National Electrical Code for an engine-generator remote start circuit in an emergency system.
The Short-Circuit WCR is the UL 1008 test for a transfer switch’s ability to close into and withstand a fault current. These are the ratings which will actually appear on the UL label of the product.
Automatic transfer switches
Eaton’s ATS modernization helps major Midwestern U.S. medical center maintain always-on power.
Eaton is a power management company with 2018 sales of $21.6 billion. We provide energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Eaton is dedicated to improving the quality of life and the environment through the use of power management technologies and services. Eaton has approximately 100,000 employees and sells products to customers in more than 175 countries.