PrimeTest 300
Operating
Instructions
11.7 RCD Trip Time
Refer to Fig 8
licable to the mains electrical
his test will pass a sinusoidal current of 30mA down
ttention - The black probe must not be used
it the power lead supplied to the PrimeTest 300 and
r.m.s
eset the RCD. When the PrimeTest 300 detects that
gain
e taken to trip will be
This test is app
installation.
T
the earth conductor and measure the time it takes for
the mains supply to trip.
A
when performing an RCD test.
F
plug the other end into the mains outlet under test. To
start the test, press the green
START
button. The
PrimeTest 300 will produce a test current of 30mA
in the protective earth of the supply. The test will
commence at the start of a positive half cycle.
The RCD will trip. The time taken to trip will be
displayed.
R
power has been re-applied it will commence the
negative half cycle test. The PrimeTest 300 will a
produce a test current of 30mA r.m.s in the protective
earth of the supply. The test will commence at the start
of a negative half cycle.
The RCD will trip. The tim
displayed.
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