UL9540 Energy Storage Systems Information
Table Of Contents
Supported System Architectures and Configurations
The following diagrams depict UL 9540-certified systems with XW Pro inverters. The scope of certification includes the equipment
and its interaction within the energy storage system (ESS) boundary. BMS communication with InsightHome or InsightFacility is
optional. The system must be equipped with adequately-rated DC and AC breakers and/or equivalent as applicable by local codes
and regulations.
Equipment combinations and associated power and energy nominal ratings are given in Table 1.
Figure 1UL 9540 certified system without external contactor
XW Pro UL9540 Energy Storage Systems Information
990-91534 This manual is intended for use by qualified personnel 4