Fire Shield for Variable Frequency Drive Enclosure
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United States of America
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Issued Date -
Dec 16, 2021
app pub date -
Jun 11, 2020
filing date -
Jun 11, 2020
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Abstract
The fire shield enclosure makes use of a set of external metal shields that can be attached to a wall mounted variable frequency drive (VFD) in the field either before or after the VFD has been installed for the purpose of providing adequate protection from a fire as defined by a UL2043: Fire Test for Heat and Visible Smoke Release (UL2043 fire test). The fire shield enclosure pertains to a VFD for which may use a polymer material as an integral part of its enclosure housing.
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