Siemens 5SP3720-2 Description Description Siemens MAIN CONDUCTOR CIRCUIT-BREAKER (SHU),1-POLE, E 20 A, 230/400 V (SET WITH L1,L2,L3) Related products SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FK6032-6AK71-1TG0 SIEMENS 1FK7063-5AF71-1FG2 SIEMENS 1790L811A
