UL-489 › Historical Revision Information
Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures
Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures
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Document Number
UL-489
Revision Level
11TH EDITION
Status
Superseded
Publication Date
Sept. 1, 2009
Page Count
246 pages