Emerson Launches LED Version of Field-Proven Industrial Lighting Fixture

First introduced in 1951, the Appleton A-51 incandescent factory-seal luminaire has long been a standard for industrial lighting, providing safe illumination to workers in petrochemical processing, wastewater treatment centers, chemical plants and other areas classified as "hazardous" by the National Electrical Code where ignitable vapors, dust, moisture and corrosive environments may be present.

Because it uses the same mounting as the original A-51, the LED version transforms the traditional retrofit process from an expensive, time-consuming task to simply removing the legacy incandescent fixture unit and replacing it with the new LED fixture unit. Appleton's standardized threads fit all A-51 LED fixtures and mounting hoods. In the rare event the A-51 LED requires maintenance, its "wireless" design allows the fixture unit to be threaded off the mounting hood for fast servicing or immediate exchange with a stand-by replacement.

"The new A-51 LED model brings the potential benefits of burning less energy, producing less heat, and requiring less maintenance to the thousands of A-51 incandescent fixtures currently in service," said Christy Buttner, lighting product manager for Emerson Automation Solutions. "Best of all, there is no compromise in lighting quality since the LED pattern and spread of light is very similar to the older incandescent version of the A-51."

Leveraging years of experience in designing and manufacturing LED fixtures for some of the harshest environments, Emerson is offering the new luminaries in an output range of 1,600 to 3,200 lumens to replace incandescent fixtures up to 300 watts. They deliver crisp, bright light with excellent color rendering for optimal visibility. The LED lamp's long lifespan of 50,000+ hours maximizes its value while lowering the cost of ownership, improving work environment safety and delivering shorter paybacks.

To guard against corrosion and chemical abrasion the A-51 LED's fixture unit, mounting hoods and guards are manufactured from copper-free, die-cast aluminum, and feature Appleton's exclusive epoxy powder coat finish to assure long-term corrosion resistance. In addition, end-users can specify either porcelain reflectors for standard applications or fiberglass reinforced polyester reflectors for exceptionally severe corrosive atmospheres.

New Appleton A-51 LED luminaries are suitable for wet locations, and are compliant with NEC/CEC certifications for Class I, Division 1, Groups A, B, C, D; Class II, Division, Groups F, G; Class III, and Class I, Division 1, Groups C, D; Class II, Division 1, Groups E, F, G; Class III hazardous applications.

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