What type of DIN Rail can KDR and KLR DIN Rail Reactors mount to? DIN Rail Drive Reactors mount to either “Standard Steel High Profile” or “Heavy Duty Steel” DIN Rails. Post navigationPrevious post: What size KDR or KLR DIN Rail Drive Reactors are available?Next post: What type of enclosure do I need for my KDR or KLR Reactor?