The series KTV7 self-protected combination motor controllers are suitable for use with VFDs in multi-motor installations for industries that include food and beverage, material handling and factory automation. Designed for use with VFDs that have an output frequency of 400 Hz or less, the new controllers provide the disconnect function for motor branch circuits, branch-circuit short-circuit protection and manual (on/off) switching. These controllers are current-limiting devices with a fixed magnetic trip, and interruption ratings are available up to 65 KaIC at 400 and 480 V. They provide motor overload protection with a trip class 10 thermal characteristic.
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