Catalog > Passive Components > Fuses - Circuit Protection Catalog > Passive Components > Fuses - Circuit Protection > Circuit Breakers Molded Case Circuit Breaker Molded Case Circuit Breaker 5SX21 C50 Siemens Molded Case Circuit Breaker 50A 6KA C-CURVE 230/400VAC (5SY6150-7) 166.44 ZAR inc for 1 Each 65 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Older version of Siemens 5SY6150-7 which has a depth of 70mm while the 5SX21 C50 has a depth of 55mm. Top quality VDE approved