The Onesto KC3E-263 is a robust double-pole miniature circuit breaker engineered for industrial and commercial electrical installations. Rated at 63 amperes with a 3KA breaking capacity, this DIN rail-mounted device provides reliable protection across single and three-phase systems operating at 240V and 415V. Compliant with IEC60947-2 standards and optimized for 50Hz applications, it delivers Category A utilization performance. The grey finish ensures durability in demanding environments while maintaining straightforward installation and operation for qualified electricians.
