Winchester, UK - The European Power Supply Manufacturers Association (EPSMA) has published three new guides designed to help power supply design engineers keep up to date with regard to the latest safety standards and certifications.

The guides cover safety approvals of DIN-rail power supplies, safety requirements for AC/DC power supplies used in hazardous locations, and safety approvals for AC/DC products used in railway applications.

The three guides provide an overview of the design issues, definitions and useable standards that are appropriate in each case. The guides are designed to provide engineers with a common understanding of which safety rules and certifications should be used, depending on the final application of the standard. A general interpretation of how different standards requirements for power supplies are realised in practice are also described in the guides.

Bernhard Erdl, Chairman of the EPSMA, commented: “Our Technical Committee has invested considerable time and resources in producing these guides which should be valuable to any companies active in power supply design. Over the next six to 12 months we intend to produce two additional guides covering power supplies in telecoms and medical applications”.

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