B 20A 3P 6kA circuit breaker. EKM1-63-3P-B-20A-6KA

PROF is Onninen's own brand, created with installers and companies in mind, who expect reliable products without overpaying for the brand name. PROF products are developed based on real market needs: quick installation, consistent quality, and full compatibility with popular solutions used in the electrical installation industry. It's equipment that simply works – both on the construction site and during daily use.

An overcurrent circuit breaker is a basic device that protects electrical installations from the effects of overloads and short circuits. Its function is to automatically disconnect the power supply when the permissible current in the circuit is exceeded, protecting cables, devices, and the entire electrical installation from damage.

The device effectively