Yes, that is a snow guard system that serves the same function as snow cleats to keep snow from just dropping off the eave and hitting either landscaping or people. Hope that helps.
Check out the link: Not affiliated with it.http://www.roofthings.com/pad-style-snow-rail-single-bar.html?gclid=CP_Nnu_hisQCFdgMgQodSzcAOg
edgewater design llc
D.R. Long, Architect + Associates
D.R. Long, Architect + Associates