UL 508AFor a control panel to carry the UL 508A Listing Mark, the panel must contain only UL recognized and listed components. The listing of the panel also indicates the panel has been assembled in accordance with UL508A requirements.
The UL Mark on a component means that UL has evaluated and tested samples of the component and has concluded that they meet the UL Requirements.
This protects the quality and integrity of the enclosure and provides guarantee of safe performance.
UL 1203Standard for Explosion-Proof and Dust-Ignition-Proof Electrical Equipment is used to prevent explosions and dust ignitions in industrial settings as flammable gases, vapors, mists, and dusts are inevitably created in many processes. The listing of the panel also indicates the panel has been assembled in accordance with UL508A requirements.
The 1203 UL is designated for a sealing / potting compound for use in hazardous locations conforming with Class I, Groups A, B, C and D; Class II, Groups E, F, and G Hazardous Locations.