SIEMENS 5SX21-C4 Description Description SIEMENS 5SX21 C4 CONTROL CIRCUIT BREAKERS 4 AMP 230/400 VAC Related products SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FK7022-5AK71-1AG0 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1790L811A SIEMENS 1FT5072-0AC01-1-Z
