Arc fault protection device AFDD with miniature circuit breaker 1P+N 6kA B-20A 2M. AFDD fire protection switch in accordance with DIN0665-10/ EN62606, combined with miniature circuit breaker 1P+N, with electronic residual current measurement (300 mA) to increase fire protection in circuits not protected by RCD, with QuickConnect terminal in accordance with DIN EN 60898-1,0641-11. Contact protection in accordance with IP2x DIN0106 Part 100, blue test button and AFD tripped indicator. Easy individual removal from the phase busbar assembly. With symbol. Suitable for the subsequent installation of additional devices. Labelling option directly on the device.