The Residual current Circuit Breaker with Overload protection - RCBO 40A 1P + N (1 modular) 6kA EH(x) 1x40SD from the manufacturer ElectroHouse is the most useful device that performs protection and control of the power grid. The RCBO does the work of two devices simultaneously - a MCB and a RCCB. With its use, you can be completely confident in your safety, because the RCBO protects against various overloads, network failures, electrical equipment malfunctioning or damage to the cable insulation. It also protects against the occurrence of short circuits and fire-hazardous situations, in which it is possible to hit with current or burn. Therefore, this differential current device is a very necessary thing for your home or any room in which you want to be safe. It can be tested for performance using the “Test” button. You can buy the RCBO 40A from the ElectroHouse company at the most reasonable price for you on our website.