Control Panel : UL Listed Control Panel
What Is UL 508A?
UL 508A is the UL Standard for Safety of the construction of Industrial Control Panels. This includes proper component selection, wiring methods, and calculation of short circuit current ratings.
UL considers an Industrial Control Panel (ICP) an assembly incorporating two or more pieces of industrial control equipment or related control circuit devices, provided with interconnecting wiring and terminals for connections in the field.
To allow the installer to properly install the panel in accordance to the National Electrical Code and other codes, electrical ratings and instructions are to be clearly explained on the panel.
Advantages Of An UL Listed Panel
The UL Listing Mark on an industrial control panel provides evidence of third party certification to the municipal inspection authority and to the purchaser of the panel. It shows that the panel complies with an acceptable safety standard.
In addition to general use panels, requirements for the following panels are contained in UL 508A:
- Overhead crane control
- Industrial Machinery, including Metal working machine tools, plastic injection molding machinery
- Flame safety supervision control
- Service equipment use
- Marine use
- Air Conditioning and Refrigeration Equipment use
- Fountain Control
- Irrigation Equipment use