Information Sheet #2 - Industrial Control Panels, Introduction & Importance of UL Approval.
1.0 Introduction:
One of the many areas of LEI expertise is the supply and maintenance of Industrial Control Panels. Understanding the correct Industrial Control Panel to apply to any given application, the applicable codes, and areas of maintenance required are important in ensuring reliable efficient operation and minimal downtime. LEI, as a UL certified supplier and service outlet for Industrial Controls Panels, offer to users all the required levels of resources and expertise.
2.0 Definition of an Industrial Control Panel:
As defined by the NEC section 409.2 an Industrial Control Panel (ICP) is an assembly of two or more power circuit components, control circuit components, or any combination of power and control components.
ICPs are also covered by the UL product category NITW. UL NITW defines ICPs as factory-wired assemblies of industrial control equipment, such ICPs assemblies can include motor controllers, switches, relays and other auxiliary devices. The ICP may also include disconnecting functions and motor branch-circuit protective devices. However, be aware this UL category does not include coverage of any externally connected loads, it is specific to the ICP.
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