Adapter for active and passive testing of three-phase devices 16/32 A (max. 20 A) and extension cables. Unique worldwide: Portable test device addition for safety measurements on three-phase consumers with automatic measuring sequence according to standard. The mobile adapter is for measuring and testing electrical. devices and extension cables.Testing of 1- and 3-phase consumers and extension cables in conjunction with the external test devices SECUTEST S2N.., SIII+, PRO / SECULIFE ST.Additional protection when testing defective test items through integrated residual current monitoring with shutdownFunctional test of the automatic shutdown via a self-test test buttonPrevention of short circuits and thus the response of mains fuses using a pre-test stageAutomatic adaptation to the set program of the SECUTEST-Sxx test device with transfer of the measured valuesTesting in conjunction with SECUTEST S2N..,SIII+, PRO / SECULIFE ST of protective conductor resistance, insulation resistance, equivalent leakage current, dielectric strength, residual current, touch current.. 1 test case AT3-III E 1 plug adapter in accordance with EN 60320 C13 to C6 (cold devices 10 A to 2.5 A IBM plug) 1 operating manual