TDS PDF

Circuit Breakers for Use in Communications Equipment (Edition 1, published October 15, 2008; revisions through July 9, 2018; ANSI reaffirmation 2018). Original standard UL 489A 2018-07 in PDF full version. Additional info + preview on request

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Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures for Use with Photovoltaic (PV) Systems (Edition 1, March 7, 2016). Original standard UL 489B 2016-03 in PDF full version. Additional info + preview on request

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Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures for Use with Photovoltaic (PV) Systems (Edition 1, published March 7, 2016; revisions through May 19, 2021; ANSI reaffirmation 2021). Original standard UL 489B 2021-05 in PDF full version. Additional info + preview on request

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Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures for Use with Photovoltaic (PV) Systems (Edition 1, published March 7, 2016; revisions through August 26, 2025; ANSI reaffirmation 2025). Original standard UL 489B 2025-08 in PDF full version. Additional info + preview on request

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Solid State Circuit Breakers (Edition 1, October 22, 2025). Original standard UL 489I 2025-10 in PDF full version. Additional info + preview on request

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Micromobility Charging Equipment (Edition 1, February 19, 2025). Original standard UL 4900 2025-02 in PDF full version. Additional info + preview on request

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