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   Data updated: 12 Jan 2026. Home |  About Quick Search |  ASSIST |  ASSIST Updates Document Details

Document ID:   UL489D       Scroll down to access document images

Overview
Title:  Outline of Investigation for US Naval Commercial-Off-The-Shelf (COTS) Designated Molded-Case Circuit Breakers, Molded-Case Switches, and Accessories for Use for Use on Non Nuclear Naval Combatant Ships
Scope:  These requirements cover commercial-off-the-shelf (COTS), three-pole and four-pole molded-case circuit breakers and applicable accessories (undervoltage trip release devices, shunt trip release devices, electrical (motor) operators, auxiliary switches, plug-in mounting adapter blocks/bases, drawout cassette) intended for use aboard non-nuclear Naval combatant ships in electrical assemblies (switchboards and load centers) installed on shock isolators (mounts).
Status:  Active Adoption Date:  28-FEB-2023      
  Next Review Due:  27-FEB-2028
5925 Doc Category:   Underwriters Laboratories (UL)  

Responsibilities
Lead Standardization Activity:  CC  DLA Land and Maritime  
  Adopting Activity: SH  Naval Sea Systems Command (Ship Systems)
Coordination:  Full  
Army Custodian:  AV   Combat Capabilities Development Command, Aviation and Missile Center  
Navy Custodian:  SH   Naval Sea Systems Command (Ship Systems)  
Air Force Custodian:  85   Air Force Life Cycle Management Center - Electronic Components, Wire and Ca  

Revision History Click on column headings for a description of column content.
MediaDocument Part DescriptionDist StmtDocument DatePagesSize
Document ImageNotice - Adoption, Tier 1A28-FEB-2023181.4 KB

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