The Onesto KC3E-216 is a robust double-pole miniature circuit breaker engineered for reliable electrical protection in industrial and commercial installations. Rated at 16A with a 3KA breaking capacity, this DIN rail-mounted device operates across single and three-phase systems at 240V, 415V, and 50Hz frequencies. Compliant with IEC60947-2 standards, it delivers dependable overcurrent and short-circuit protection. The compact grey design integrates seamlessly into distribution boards, safeguarding circuits against electrical faults while maintaining consistent performance in demanding environments.