Protective devices for heat pumpsProducts especially for the protection of heat pumps.Protective devices for heat pumpsProducts especially for the protection of heat pumps. Quicksearch Number of polesShow all243+N1+NResidual current typeShow allB+Rated current (AC)Show all25 A40 A63 A16 A32 ARated residual current IΔnShow all0,03 A0,1 A0,3 AShort-time delayedShow alltrueSelectiveShow allfalseNeutral conductor positionShow allleft or rightleftrightHD designShow allfalsetrueModelShow allfor heat pumpsTripping characteristicShow allC Reset Filters Categories Residual current circuit-breakers (RCCBs) Residual current circuit-breaker specially designed for protecting heating… Residual current operated circuit-breakers with integral overcurrent protection (RCBOs) RCBOs of the HP variant combine residual current circuit-breakers and… Technical informationsProducts especially for the protection of heat pumps.