An Industrial Control Panel (ICP) is defined as “an assembly of a systematic and standard arrangement of two or more components such as motor controllers; overload relays; fused disconnect switches; and circuit breakers and related control devices including pushbutton stations, selector switches, timers, switches, and control relays, with associated wiring, terminal blocks, pilot lights and similar components.”
Regulatory standards that are applicable to the ICP’s include:
- UL508A (US)
- CSA C22.2 No. 14 (Canada)
- EN 60204-1 and EN 61439-1 (Europe)
Manufacturers mass produce as well as custom build ICP’s, making it very difficult and expensive to carry a typical listing or to utilize field evaluations for each panel. The goal of a manufacturer of ICP, especially when manufacturing a custom ICP, is to provide the most cost effective solutions based on client specifications. However, sometimes the best designed ICP’s are found to be non-compliant to regulatory requirements. A few reasons which have been cited for this non-compliance include: lack of consideration of panel application, component selection, and sometimes minor oversights.
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