"This product is part of the Harmony 9001K range, an offer of Ø 30mm metal pushbuttons, switches and pilot lights." "This pilot light transformer has round screw head with normal operating mode." "It is a light block transformer with rated supply voltage of 380V/480V AC and a frequency of 50Hz/60Hz." "It has a round screw head." "It is a NEMA 1/2/3/3R/4/6/12/13 rated product." "This transformer is fitted with chromium plated metal bezel." "It is ideal for petrochemical, metallurgy, mining, oil and gas applications. It is also suitable for automotive, water and wastewater treatment applications." "This product is certified by CE, CSA LR25490 class 3211 03 and UL listed file E42259 CCN NKCR." "It is installed into a Ø 30mm panel cutout." "A comprehensive range of illuminated pushbuttons, pilot lights, emergency stop buttons, selector switches, joystick controllers and accessories to fit your needs." "The modular range of Ø 30mm metal control and signaling provides robust and reliable solutions for a wide range of heavy industry applications."