Support arm systems Adapters for panels from other suppliers Adaptor for mounting panels from other suppliers on Rittal support arm system. Adapters for panels from other suppliers Adaptor for Siemens Pro-Panel For external mounting of Siemens Simatic to support arm system CP 40, steel or CP 60/120 with support arm connection 120 x 65 mm. Show products Adapters for panels from other suppliers Connection console for support arm connection 120 x 65 mm For rear connection of slimline operating housings. Removable lid for simple cable entry Show products