These open-style ring screw (RSC) and ring bolt (RBO) lug connection terminals can replace traditional barrier blocks. Available in 9-mm and 13-mm profiles in both panel-mount or DIN-rail-mount packages. Both the RSC and RBO terminals meet flammability class V0 per UL 94 and UL-recognized at 600 V, with a range of electrical current ratings from 30 A to 45 A.