This IMO Residual Current Circuit Breaker has been designed for the protection of electrical installations against earth fault / leakage current. This Type B3 module provides protection against DC smooth residual current >6mA, and is manufactured in accordance with IEC 61008-1 and IEC 62423. * Type: RCCB * Poles: 1 pole + Neutral * Rated current: 40A * Type B * Residual operating current: 30mA * Residual DC Smooth Current: 6mA * Residual tripping current range: 0.5 - 1A * Short Circuit Capacity: 10kA * Rated Voltage: 230V AC * IMO type B10R2040-30-B3 https://elecena.pl/product/30172643/imo-b10r2040-30-b3-40a-2p-rccb-30ma-type-b-3-mod 2026-05-03 https://elecena.pl/product/30172643/imo-b10r2040-30-b3-40a-2p-rccb-30ma-type-b-3-mod 2026-07-10