Industrial Mercmaster™ LED Generation 3 Series Luminaries. Modular design provides thousands of combinations for maximum versatility. Design is suited for low mounting heights, from 7 ft., up to 30 ft. Seven light outputs provide up to 17,500 lumens. Choice of optics for optimal light distribution in a variety of applications: Type I, Type III, Type V or Type V Wide. Choice of color temperature (CCT): 5000K cool white, 4000K neutral white or 3000K warm white. Customize to the application requirements with four different globe options: clear and diffused polycarbonate, clear glass, or prismatic glass refractor. Six standard mounting hood designs allow for mounting in any location. Uses same mounting hoods as Mercmaster™ III. Retrofit adapters for Crouse-Hinds™ hoods available. See Mercmaster™ CH Adapters. Retrofit adapters for Mercmaster™ II hoods available. See Mercmaster™ II Adapters. Hinge has high lip for added safety during installation and servicing. Hinge and bolt construction assures 360° compression at all points on fixture housing gasket for positive sealing. Swing away design of captive bolt and nut simplifies installation. Rugged housing with superior thermal design translates to long luminaries life. Luminaries housing has wiring compartment with terminal block separate for easy wiring access. Standard screw-type terminal block can accept UL/CSA 26-10 AWG wire. Standard 6 kV surge protection. Heavy duty, high temperature silicone gaskets. Photometric data and electronic drawings available upon request. Ambient Temperature: -40 °C to +65 °C (-40 °F to +149 °F). Standard NPT threads with M20 option. LED L70 reported at 60,000 hours. Field replaceable globes and LED driver.