This article discusses the special conditions to be considered when using circuit breakers and starters in North America. It explains North American approval requirements and how circuit breakers and starters can be used in group protection applications.
This paper explains the special conditions for using motor protection switches and motor starters in North America. It covers approval obligations, differences between U.S. and Canadian codes, and the impact on design and installation of industrial control equipment.
The document also discusses the two main distribution channels for approved Eaton Moeller devices, the distinction between distribution equipment and industrial control equipment, and provides examples of UL‑ and CSA‑approved motor starter solutions. This manual is written in German.
In the USA, motor protection devices must be approved by a Nationally Recognized Testing Laboratory (NRTL) such as UL.
Listed industrial control equipment is approved as a complete product, while recognized component industrial control equipment is approved only as a component for use in a larger system.