Operating the devices
52
05/05 AWB2300-1527D/GB
Test
The motor-protective relays ZB12 and ZB32 are equipped
with a test button that has an integral dual function.
Figure 11: Switching options of the test button
The auxiliary contact 95-96 is opened by pressing the
button, and can thus be used to switch off the contactor
relay.
The function of both auxiliary contacts can be tested in
current-less state by pressing the button.
TEST
NC 95
NC 96
NO 97
NO 98
OFF
j
Warning!
Faulty devices may not be opened for repairs and may only
be replaced suitably qualified personnel.
Содержание ZB12 Series
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