Features: 1) It is manufactured in accordance with ANSI / EIARS-310- D, IEC297-2, DIN41491 standards and PART1, Part7, DIN41494 standards 2) Assembled frame construction: good strength, can load 60kg 3) Wall-mounted installing method, can be installed quickly 4) Can choose whole package or plat package, low transporting cost 5) Can choose fans to install 6) Wire channels and air holes on top and at bottom 7) Protection grade: IP20 8) Materials: a) SPCC high-quality cold roll steel b) Thickness: 2.0 mm for mounting rails, 1.2 mm for others 9) Surface finish: degreasing, pickling, phosphoric, static electricity, powder coating