Siemens-Residual-Current-Circuit-Breakers-RCCB-Siemens-5SM33146-p-A-2-pole-Residual-Current-Circuit-Breakers-RCCB-that-features-instantaneous-tripping-at-30m A-Supply-voltage-is-230V-AC-&-switching-capacity-is-0-5k A-p-Siemens-5SM33146-RCCB-2-Pin-40A-230V