FST-140 is a multi-function Leakage Current Tester with internal power supply up to 260V/3A. It's also possible to use external power supply up to 300V/16A. Standard tests include L-PE and N-PE Leakage Current tests, but optionally also N cut-off PE tests and a case leakage test are available. It's easy to use and single fly wheel programming allows you to pre-program full test sequences also in automated testing.