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Deflagration control system consisting of overpressure vents <br />UL1973 listed battery module designs which limit propagating thermal runaway, <br />A heater for temperature control <br />Remote monitoring via the Controller 6610 communication module <br />Low voltage -48 VDC outputs <br />Listing to UL 1973 and UL/IEC 62368-1 requirements (both battery and <br />Enclosure) <br />External manual electrical disconnects required by the NEC <br />BMS controls <br />In-cabinet smoke detection. <br />The Ericsson Energy Storage System 6160 Conforms with the following NFPA 855, <br />Section 4.4.3 Requirements: <br />Fires originating with the Enclosure B160 will not spread to adjacent enclosures <br />or exposures. <br />Fires and products of combustion will not prevent safe evacuation. <br />Deflagration hazards are addressed by the explosion control and prevention <br />system. <br />These NFPA 855 performance requirements serve as the basis for AHJ approval of the <br />HMA as documentation of the safety of the ESS installation and are relied upon in the <br />IFC as well as the California Fire Code.In addition,the UL 9540A full-scale fire testing <br />has shown that the system can be installed without the need for further passive or <br />active fire protection features in order to prevent unit to unit propagation. <br />The Ericsson Energy Storage System 6160 Conforms with the following NFPA 855, <br />Section 9.5.2.6 Location and Near Exposure Requirements: <br />9.5.2.6.1.3 and 9.5.2.6.1.4 can be applied to reduce the distance to other <br />exposure or building since the ESS conforms with UL9540A according to NFPA <br />855 Section 9.1.5. <br />Minimum separation distances defined in Figure 2 between adjacent Enclosure <br />B160 or E6160 cabinets or other exposure/buildings <br />9.5.2.6.1.3 is not applicable since section 9.5.2.6.1.3 and 9.5.2.6.1.4 is fulfilled. <br />Confidentiality Class External Confidentiality Label Document Type Page <br />Ericsson Internal Analysis 4 (27) <br />Prepared By (Subject Responsible)Approved By (Document Responsible)Checked <br />ERATLEN Thomas Lennholm <br />Document Number Revision Date Reference <br />1785-BFM 107 220/1 Uen PA2 2025-06-03