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BENNING MA 4 for active and passive testing of 1- and 3-phase devices (incl. welding devices), as well as extension leads. Connection for DUTs with CEE 16 A/230 V, CEE 16 A/400 V and CEE 32 A/400 V plug. Measuring adapter can be fully loaded with 32 A. Supported measurements: RPE protective conductor resistance, RISO insulation resistance, IDiff. Differential current, IEA substitute leakage current, tripping time and tripping current of PRCDs. Equipment and cable function test incl. open-circuit, short-circuit and rotating field test. Rotary switch ¿function¿ for selection of operating equipment: Electrical device or extension line (cable). Rotary switch ¿Cable¿: Connection of all or individual phases for detailed cable testing. Self-test: Deliberate connection of a device fault current (1 mA/ 3 mA) for testing the entire test system. 7 status LEDs and 1 mains LED. Robust and dust/waterproof protective case IP 67. Plug-in technology other. Material of insulating material other. Measuring circuit category other.
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