FeaturesMinimizes time and cost of complying with NFPA 70e requirements for electrical inspectionsDecreases risk of arc flash incidents and resultant injuries (compared with other inspection methods)Perform both visual and thermal inspections through the broadband crystal window which is compatible with all thermal cameras and UV, visual and fusion inspections (fusion requires a camera with led light feature)Integrity and environmental ratings of cabinets are intact even after installationRugged anodized aluminum frame and coverHinged cover always stays attached to base unit (minimizes risk of dropping parts around electrical cabinets)Windows are sized to match dimensions of standard knockout punchesEasy to install - 3 step installationProvides approximately 30x more holding surface area securing the window to the cabinet door (vs. Mounting screws)Mount on steel and LEXAN® panelsNo screw holes to drill or screws to attachWindow labeling/id number inside the cover500 deg F maximum operating temperature4.22 in H x 3.89 in W x 1.05 in THK1665 kg maximum pullout strength2474 deg F maximum temperature739 bb Greenlee punchGasket material is siliconeHardware material is steelOptic material is calcium fluoride