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UL 508A Control Panel Design Considerations

UL 508A is a control panel standard that must be met by industrial equipment. The control panel design goes a long way in determining the safety and functionality of the machinery. In the construction of control panels, there are many factors to consider. This blog will introduce you to design considerations and the UL 508A Standard.

A Quick Guide: UL 489 or UL 1077 in Control Panels and Equipment

A common question that comes up with OEM machine builders and control panel builders is “How do I know when to use UL 1077 or UL 489 breakers in panels or equipment?” The answer is seemingly simple, but like most simple questions, there is usually some confusion. Read this short white paper to assure that you meet the required standards.

Understanding Trip Curves

Introduction to trip curves for UL 489 Miniature Circuit Breakers and UL 1077 Supplementary Protectors.

Trip Curves, aka Time Current Curves, can be an intimidating topic. The goal of this short paper is to introduce you to the concept of trip curves and explain how to read and understand them.

Understanding SCCR

What is SCCR?
When it comes to industrial machinery, it’s critical to ensure that electrical panels are designed and built with the proper SCCR to maintain the system, eliminate downtime and increase worker safety. The goal of this paper is to explain why it is important, and how to find the calculations needed.