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T O S H I B A
At the sale time the lain circuit switch is turned OH, the
starting current and rated current flows, and the relay is
picked U
the undercurrent State is detected and the relay drops out.
(Refer to Fig. 5)
If input signal to this current relay is zero (When StoDDed).
Caution:
it is not possible to judge if it is undercurrent or in a
disconnected state.
have a circuit connecting a normally
tact of the Dain circuit switch in series with the alara or
fault condition during a normal shutdown.
.
If current drODS below the undercurrent set point,
P
In this case, it is recommended to
t h i s w i l l D r e v e n t t h e r e l a y f r o r signalling
a
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