Electricity
Super-Immunized RCD (Type A / F)
High-tech residual current device that prevents nuisance tripping caused by computers, LED drivers, and inverter heat pumps.
What is Super-Immunized RCD (Type A / F)?
A super-immunized RCD incorporates electronic filtering to distinguish real earth faults from harmless high-frequency harmonics generated by modern electronic appliances.
When you encounter it in an emergency & typical cost
Definitive solution when your main RCD trips randomly (especially at night or during storms) with no faulty appliance. Installation: €110-180.
Arrival within 20-35 minutes
Related technical terms
Differential Switch (RCD) →
Breaker that detects ground leaks and disconnects the power to prevent electrocution.
Electrical Panel →
Electrical protection and distribution center of the home, housing all breakers (IGA, RCD, circuit breakers).
Main Circuit Breaker (IGA) →
The main switch of the electrical panel that protects against total overload of the entire house.