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UL 508C BULLETIN
UL Standard for Safety Power Conversion Equipment - COMMENTS DUE: February 9, 2009
Organization:
UL - UL
Year: 2008
Abstract: These requirements cover open or enclosed equipment that supplies power to control a motor or motors operating at a frequency or voltage different than that of the input supply. These requirements also cover power-supply modules, input/output modules, Silicon Controlled Rectifier (SCR) or Transistor output modules, dynamic braking units, and input/output accessory kits for use with power conversion equipment.
This equipment is for use in ordinary locations in accordance with Articles 430 and 440 of the National Electrical Code, NFPA 70.
These requirements cover devices rated 1500 volts or less.
Equipment intended for use in hazardous locations as defined by the National Electrical Code, NFPA 70, shall be evaluated to the Standard for Industrial Control Equipment for Use in Hazardous (Classified) Locations, UL 698.
Deleted November 5, 2004
This equipment is for use in ordinary locations in accordance with Articles 430 and 440 of the National Electrical Code, NFPA 70.
These requirements cover devices rated 1500 volts or less.
Equipment intended for use in hazardous locations as defined by the National Electrical Code, NFPA 70, shall be evaluated to the Standard for Industrial Control Equipment for Use in Hazardous (Classified) Locations, UL 698.
Deleted November 5, 2004
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UL 508C BULLETIN
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| contributor author | UL - UL | |
| date accessioned | 2017-09-04T18:41:54Z | |
| date available | 2017-09-04T18:41:54Z | |
| date copyright | 39808 | |
| date issued | 2008 | |
| identifier other | JYFBLCAAAAAAAAAA.pdf | |
| identifier uri | http://yse.yabesh.ir/std/handle/yse/223414 | |
| description abstract | These requirements cover open or enclosed equipment that supplies power to control a motor or motors operating at a frequency or voltage different than that of the input supply. These requirements also cover power-supply modules, input/output modules, Silicon Controlled Rectifier (SCR) or Transistor output modules, dynamic braking units, and input/output accessory kits for use with power conversion equipment. This equipment is for use in ordinary locations in accordance with Articles 430 and 440 of the National Electrical Code, NFPA 70. These requirements cover devices rated 1500 volts or less. Equipment intended for use in hazardous locations as defined by the National Electrical Code, NFPA 70, shall be evaluated to the Standard for Industrial Control Equipment for Use in Hazardous (Classified) Locations, UL 698. Deleted November 5, 2004 | |
| language | English | |
| title | UL 508C BULLETIN | num |
| title | UL Standard for Safety Power Conversion Equipment - COMMENTS DUE: February 9, 2009 | en |
| type | standard | |
| page | 16 | |
| status | Active | |
| tree | UL - UL:;2008 | |
| contenttype | fulltext |