63A 4-pole residual current circuit breaker, 30mA, Type A, 6kA. EKL1-63-63A-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 device (RCD) is a fundamental safety device for electrical installations. Its purpose 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 electrical