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APPENDIX UL DESCRIPTION
1) “Maximum surrounding air temperature rating of 50ºC for Open Type; 40ºC for UL Type 1”
2) “The drive is suitable for use in a circuit capable of delivering not more than 5,000 rms
symmetrical amperes, 480 Volts Maximum.”
These devices are only intended to be installed with the following branch circuit fuse.
3) “The drive must be installed in a Pollution 2 environment with clean air according to enclosure
classification. Cooling air must be clean, free from corrosive materials and electrically conductive
dust.”
4) Rubber grommets located on conduit box shall be removed and replaced with conduit hubs in the
end use installation.
5) “Integral solid state short circuit protection does not provide branch circuit protection. Branch
circuit protection must be provided in accordance with the National Electrical Code and any
additional local codes”, or the equivalent.