Specifications: • Optical range: 190-270 nm • Supply voltage: 560 VAC (supplied by control) • Mounting threads: 1/2" NPT • Operating temperature: -40°C to 94°C (-40°F to 200°F) • Available in NEMA (Class 1, Div 2, Group C and D) and Cenelec approved explosion proof housing (EEx d IIC T6)