METREL MI 3399, Инструкция с упражнениями

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Electrical Installation Safety Trainer AD 1 - MI 3399
80
trip-out current should be within limits described in chapters RCD trip-out time test and
RCD trip-out current test.
In our case the results we get for all three tests are within the expected limits.
After the trip-out time and trip-out current tests, the RCD is tripped as is the intention
of both test. Be sure to reset the RCD before each test.
Instead, all three mentioned test a predefined RCD
AUTO SEQUENCE
®
test ( RCD
Auto ) can be used. The functionality is that it performs all three test one after another.
The tester is only required to reset the RCD every time it is tripped-out to continue
testing.
Expected results with a simulated error
RCD testing simulated errors do not produce enough contact voltage to properly
display failed results. For this reason no example is given.