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TOSHIBA
(2) STANDARD OF'ERATION CIRCUIT
Shown below are the vacuum contactor and its auxiliary circuits (control and
monitoring).
Fig.5 represents the standard operation circuit of the normally energized type
and Fig.6 the latched type.
Wiring should bls done according to these circuit diagrams.
Standard operation circuit of normally energized type.
Fig.6
If the self- holding circuit is formed by using the auxiliary contact No
of the vacuum contactor , welding of the main contact may result when
the st,art button is pushed incompletely(refer to *l in Fig.6).
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