Pushbutton housing PB, Stainless steel, material: Stainless steel 1.4301 (AISI 304), surface: Enclosure and cover: Brushed, grain 240, supply includes: Wall mounting bracket, Cover screws, captive, description: The NEMA rated PB series pushbutton box enclosure is designed for indoor use to house pushbuttons, selector switches, and pilot lights. This enclosure protects equipment from dirt, dust, sprayed water, oil, and coolants.