The Onesto KC6-KU-250 is a robust 50A 2-pole MCB designed for demanding electrical installations. This DIN rail-mounted circuit breaker operates across 240V and 415V systems, making it versatile for both single and three-phase applications. Compliant with IEC60947-2 standards and rated for 6KA breaking capacity, it delivers reliable protection in utilization category A environments. Its blue housing ensures easy identification on distribution boards. Engineered for industrial and domestic installations, this MCB provides dependable overcurrent protection where safety and performance are non-negotiable.