25A 4-pole residual current circuit breaker, 30mA, Type A, 6kA. EKL1-63-25A-4P-6KA-TYP-A

PROF is Onninen's own brand, created with installers and companies in mind, who expect reliable products. 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 is equipment that simply works – both on the construction site and during daily operation.

A residual current circuit breaker (RCCB) is a fundamental device for protecting electrical installations. Its function is to immediately disconnect the power supply when a leakage current is detected, which may pose a threat to health, life, or property.
The device effectively protects users from electric shock in the event of indirect and direct contact. It also reduces the risk of damage to