UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS

close

This is embarrasing..

An error occurred while processing the form. Please try again in a few minutes.

Customize Your Engineering360 Experience

close
Privacy Policy

This is embarrasing..

An error occurred while processing the form. Please try again in a few minutes.

UL 347A OUTLINE

Outline of Investigation for Medium Voltage Power Conversion Controllers

active, Most Current
Buy Now
Organization: UL
Publication Date: 1 May 2014
Status: active
Page Count: 62
scope:

These requirements cover medium voltage power conversion equipment that controls and transfers power to motors. These requirements also cover power-supply modules, input/output modules, and electronic solid state switching devices, for use with power conversion equipment. 

These requirements cover equipment rated above 1500 volts to 38kV. 

These requirements do not cover equipment for use in hazardous locations as defined by the National Electrical Code, NFPA 70. 

These requirements do not cover solid state reduced voltage motor controllers (soft starters). 

These requirements do not cover low voltage power conversion equipment rated 1500 volts and below. This type of equipment is covered by the Standard for Power Conversion Equipment, UL 508C.

Document History

UL 347A OUTLINE
May 1, 2014
Outline of Investigation for Medium Voltage Power Conversion Controllers
These requirements cover medium voltage power conversion equipment that controls and transfers power to motors. These requirements also cover power-supply modules, input/output modules, and...
January 14, 2014
Outline of Investigation for Medium Voltage Power Conversion Controllers
These requirements cover medium voltage power conversion equipment that controls and transfers power to motors. These requirements also cover power-supply modules, input/output modules, and...
November 1, 2013
Outline of Investigation for Medium Voltage Power Conversion Controllers
These requirements cover medium voltage power conversion equipment that controls and transfers power to motors. These requirements also cover power-supply modules, input/output modules, and...
July 29, 2008
OUTLINE OF INVESTIGATION FOR MEDIUM VOLTAGE POWER CONVERSION CONTROLLERS
These requirements cover medium voltage power conversion equipment that controls and transfers power to motors. These requirements also cover power-supply modules, input/output modules, and...

References

Advertisement