Caution – HT instruments SIRIUS87 User Manual
Page 24

SIRIUS
87
EN - 22
d) The instrument effects the test at I
n
180°. Follow the same
procedure as described under c).
e) The instrument effects the test at 5I
n
0°. Follow the same
procedure as described under c).
f) The instrument effects the test at 5I
n
180°. Follow the same
procedure as described under c). The test is completed.
In case of AUTO working mode the operator shall switch the RCD on
whenever the instrument displays the blinking symbol
“rcd” signaling the
RCD tripping.
Note: On selective RCDS it is possible to carry out the following tests ”Man ½ I
n
”, ”Man
1 I
n
”, ”Man 2 I
n
”, ”Man 5 I
n
”, “AUTO”.
The key
U
L
▼permits to select one of the following limit values for the
contact voltage (which can be shown cyclically when pressing the key):
50V (default)
25V.
CAUTION
The display of
“Measuring” means that the instrument is measuring. During
this phase never disconnect test leads.
Note: ”Man 5 I
n
” and “AUTO” test modes aren’t available for RCD type A
500mA.
U
L
▼