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Don’t Ever Compromise on Power Supplies for ATEX Systems
“It’s more than just a logo on a datasheet” – says Marco van der Linden, UK Country Manager for PULS Power, here’s why?
D
IN-Rail Power supplies are found in almost every industrial process control system. They may be required to provide power to electronic controls, relays and
contactors, for PoE communication systems or for motor drives. During the conversion from AC mains to lower DC power outputs, switch
mode power supplies produce high voltages and currents that, if incorrectly designed, may cause sparks and may also generate excess heat through inefficient design topologies being used.
Certification of equipment and protective systems for use in hazardous areas such as offshore installations have been in force for
many years and there is a well-established supply chain for electrical equipment designed to meet the regulatory requirements. Preventing the creation of explosive atmospheres and eliminating sources of ignition are the two main ways of reducing risk. Ensuring the correct equipment is installed in the system can help greatly in
this. In addition, there is a duty placed on employers (The Dangerous Substances and Explosive Atmospheres Regulations 2002) to eliminate or control the risks from explosive atmospheres in the workplace. Introduced in 2003, the ATEX Directive covers both electrical and mechanical equipment and is mandatory for any
34 September 2021
Components in Electronics
www.cieonline.co.uk
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