ABB's Tmax molded case circuit breakers provide high performance, versatility, and standardization for various industrial applications. These breakers are available in eight basic frame sizes and offer a wide range of interrupting capacities (B, N, S, H, L, V). Features include double insulation for safe field installation of accessories, positive operation for reliable signaling, and flexible installation options in horizontal or vertical planes. The Tmax line also includes thermal magnetic, electronic, molded case switches, motor circuit protectors, and DC-rated versions.