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ZE/XTOM overload relays
28
09/15 MN03407003Z-DE/EN
Device overview
Figure 1:
ZE/XTOM overload relay
a
Setting dial for motor current
b
OFF button, test
c
Reset knob, reset lock-out
Description of device
Overload protection relays with bimetallic release
The ZE/XTOM overload relays are 3 pole electromechanical
overload relays using bimetallic elements. They are suitable
both for AC and for DC operation.
Type ZE/XTOM overload relays can be fitted directly on to
DILEEM and DILEM (XTMC...) contactors.
In the event of an overload trip, auxiliary contacts 95-96 and
97-98 switch and interrupt the control circuit of the relevant
contactor. In this way, they indirectly disconnect the power
flow of the monitored motor (
a
following Fig. 2).
③
②
①