Square D LH molded case circuit breakers offer thermal magnetic protection, automatically opening a circuit in cases of overload or short circuits, and can be manually tripped using the Push-to-Trip feature, exposing no live parts to users. These breakers contain thermal and magnetic sensing elements per pole and are available as 3-pole units with various ratings, including an interrupting rating of 25kA for 600VAC and 50kA for 250VDC, while also meeting UL 489, CSA, and IEC certification standards.