00489i-000000-0000001 Scope
1.1 These requirements cover solid state molded-case circuit breakers (SSCB), solid state hybrid molded-case circuit breakers (SSHCB) rated up to 1000 Vac and 1500 Vdc that switch using semiconductors and have integral airgap for isolation. These devices are intended to provide service entrance, feeder, and branch circuit protection in accordance with the National Electrical Code, ANSI/NFPA-70. These devices may require auxiliary control power.
1.2 This Outline also covers solid state molded-case switches (SSMCS) and solid state hybrid molded-case switches (SSHMCS) rated up to 1000 Vac and 1500 Vdc.
1.3 These requirements are intended to be used in conjunction with the requirements in the Standard for Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Breaker Enclosures, UL 489, hereafter referred to as UL 489, except as modified or supplemented by this Outline.