Complies with Standard IEC 297 / EIA RS- 310 C- 1977 / DIN 41494. Features: Each cabinet is made from phosphated steel and coated with a dark grey enamel. The colour matched rack front panel is in 3mm aluminium with extruded handles. The rear panel is aluminium as well. The top, bottom and sides of each cabinet are liberally punched with ventilation holes. All screw fasteners are metal thread - not self tappers. Top, bottom, front and rear of enclosure can be separately removed without affecting the integrity of the cabinet. Each enclosure comes with punched internal rail bars to facilitate PCB, transformer, filter capacitor etc, mounting independent of cover panels. Each cabinet also features an internal sub panel (1.5mm enamelled aluminium which is adjustable from 0- 20mm from the back of the front panel. This panel is ideal for mounting panel hardware (no screws need appear on front panel). Rear panel is also adjustable 0- 20mm inwards. The entire cabinet is Colour : Dark Grey Width : 482.6mm Height : 43.7mm Packaged Volume : 5.65l Packaged Weight : 1.22kg Packaged Length : 49.4cm Packaged Width : 26cm Packaged Height : 4.4cm Rack Units : 1pc Includes Ventilation Holes? : true Width : 482.6mm Height : 38.7mm Depth : 245mm