Test device for functional testing of circuit protection devices

At a test apparatus (1) for functional testing of circuit protection devices (28), particularly a residual current circuit breaker and / or arc circuit breaker, and / or fault detectors, in particular an arc detector, of an electrical installation (12), it is proposed that the test device (1) comprises a test signal memory (2 ) having at least indirectly stored test signals, the test signal memory (2) is at least indirectly connected to an amplifier (3) of the test device (1), said amplifier outputs (4) of the amplifier (3) having first electrical connection means (10), in particular a is first safety plug (11), for connecting the test device (1) to an electrical installation (12), wherein the test device (1) has second electrical connection means (13), in particular a second safety plug (14) for connecting a load or bridge ,