Figure 39. DBR Configurations.
Braking Resistor circuit with a thermal fuse.
Figure 40. Shown below is a typical connection diagram using an MCCB with a Trip Coil (TC) in
lieu of an input contactor. A control transformer is required for 400-Volt models only. The
primary MC is opened in the event of a DBR over-current detection. With no power supplied to
the ASD the failure will not be displayed on the EOI; see the Trip History for failure information
once restarted.
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