The Onesto KC6-KU-325 is a robust 25-ampere, 3-pole miniature circuit breaker engineered for demanding electrical installations. Compliant with IEC60947-2 standards and rated at 6KA breaking capacity, this DIN rail-mounted device operates seamlessly across 240V single-phase and 415V three-phase systems at 50Hz. Classified under utilization category A, it delivers reliable overcurrent protection in both industrial and domestic applications. The distinctive blue housing ensures quick visual identification on switchboards. Built to withstand rigorous operational demands, this MCB provides dependable circuit protection where performance and compliance are non-negotiable.