What is the Best Circuit Protection for Motor Circuits?
Summary: The choice of overcurrent circuit protection depends on various factors. The right choice depends on the application and functions required. Introduction Many, many years ago, there were two overcurrent protection options... breakers and fuses. Over time new circuit protection options have appeared on the scene. Millions of electric motors are in operation in the US, and each one needs overcurrent protection. These circuit protection devices play a very important role, not only in opening motor circuits, but also in how the control panel is designed, built, installed, and operated. In this article we will cover the main options, their main benefits and disadvantages, as well as where they often function the best. What are the options? There are several different types of circuit protection used in motor control circuits, each bringing its own mix of value and use. The following are the most popular: Fuses - These devices use a self-sacrifici...