Reference:
ARAD2
Mounting dimensions: W=19", H=2U, Static load: 5kg; with ARAS rails – 30kg. Use ARAS rails to mount in a RACK cabinet, depending on its depth (option) - ARAS600 / ARAS800 / ARAS1000 - for RACK cabinets, depth: D=600 / 800 / 1000.