Luminaire body made of galvanized sheet metal, reflectors made of aluminum surface-treated (glossy), frame made of powder-coated sheet metal, ballast box made of galvanized sheet metal with strain relief and two entries, simple through-wiring possible, nominal voltage: 220-240 V, light source: compact fluorescent lamp, color: white, protection class: IP20, mounting type: built-in, grille design: high-gloss, grille material: aluminum, reflector: high-gloss, fire protection 'F', dimensions built-in 1x13W and 1x18W:, D: 100 mm - built-in: 175 mm - outside: 195 mm, dimensions built-in 2x18W 05400428 and 2x26W 05400429:, D: 126 mm - Installation: 205 mm - External: 230 mm, Dimensions installation 2x18W 05400432 and 2x26W 05400433:, D: 128 mm - Installation: 240 mm - External: 267 mm