Sourcing Wayside HEP Power Systems for Rail Yards

Head End Power Unit Configurations for Passenger Trains In the late 1990s, the American Public Transportation Association (APTA), implemented practices for Head End Power sources throughout the passenger rail industry. According to 3.1.3 in APTA RP-R-015-99, Head End Power (HEP) is defined as “A system by which 480 VAC 3-phase electrical power, to operate auxiliaries,…

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8 Quick Tips for Building a Custom Control Panel

ESL’s custom solutions department has an average of 7 years custom control panel experience and are skilled at building control panels & electrical equipment per your specification. ESL’s time-tested procedures minimize confusion during all stages of your project; and along the way we have learned a few things that may help you out. We know your time…

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Custom Panel Design Considerations Part 1

When it comes to designing a control panel, there are many variables to consider in order to ensure the end product is built to expectations, completed on time, and within budget. Over ESL’s 25 years of experience as a custom control panel manufacturer we have learned that the design stage of a panel is critical…

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