KYORITSU 5406A - Manual (Page 16)

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6. TEST PROCEDURE
6.1. Preparation
(1) Insert the mains lead into the instrument. (Fig. 9,10)
(2) Plug the instrument into the socket outlet that is protected by the
RCD to be tested.
(3) Turn the breaker switch ON.
(4) Press the I⊿n switch to set the Rated Tripping Current (I⊿n) to the
rated trip current of the RCD. " ▼" on the LCD moves whenever the
I⊿n switch is pressed, and a present I⊿n is indicated.
(5) Press the UL value select switch to select UL value (25 or 50V).
The initial value : I⊿n ........... 30mA
UL value......50V
0°/180°......0°
6.2. Wiring Check
Make sure that the P-E and P-N wiring check LEDs are lit and the wiring
incorrect LED is not lit. If they are not, disconnect the tester and check the
wiring for a possible fault.
6.3. TESTING
(1) Set the TEST FUNCTION
・NO TRIP TEST..............×1/2 : Max time 1000ms
・TRIP TEST.....................×1 : Max time 1000ms
・FAST TRIP TEST..........×5 : Max time 200ms
・DC TEST........................DC TEST : Max time 1000ms
・AUTO RAMP TEST...... Auto Ramp TEST ( )
: 20%∼110% of the Rated Tripping
Current (I⊿n).
Max time 300ms×10.
(2) Press the TEST BUTTON
・NO TRIP TEST..............The breaker should not trip.
・TRIP TEST ....................The breaker should trip.
・FAST TRIP TEST..........The breaker should trip.
・DC TEST........................The breaker should trip.
・AUTO RAMP TEST.......The breaker should trip. Check Trip out
Current and Trip out Time at measured
trip out current.