The Mersen Tri-aonic Class RK5 Fuse TR200R is a dual element electrical fuse designed for interior use. It features thermal overload protection and a high rupturing capacity, making it suitable for controlling currents up to 200 A. This cartridge-type fuse has a time-delay/slow-blow operation method and offers analog/mechanical control style. With a sleek silver color and copper finish, this Mersen fuse is a reliable choice for electrical equipment and supplies in various industries.