Circuit breaker 1-pole 25kA 6A B characteristic 1 module ÜKA. Circuit breaker according to DIN EN 60898-1 (VDE 0641-11), with thermal release for overload protection and electromagnetic release for short-circuit protection. Suitable for the subsequent installation of additional devices. Labeling option directly on the device and individual removal from the phase busbar assembly by unlocking the quick-release top hat rail fastening.