Vertiv Liebert EXS - Editing Display and Operation Settings

Connector ID Pin No. Pin Name Description
J15
1 BCB Drive Battery breaker trip signal (12 V)
2 BCB Status Battery breaker AUXcontact status (12 V)
3 GND SELV Battery breaker trip signal return
4 BCB Online Battery breaker AUX contact return
Table 3.12 External Battery Breaker Interface Details
3.4.5 External device interface terminal connection ports
The UPS contains ports J16, and J17, to integrate external, overcurrent protection devices.
Terminal J16 is reserved for optional wiring to the upstream, rectifier input breaker fitted with a shunt trip coil for back feed
protection. However, the UPS includes all required back feed protection circuitry to comply with safety agency
requirements.The capacity rating for J16 is 250 VAC, 5 A.
Terminal J17 is reserved for optional wiring to the upstream, bypass input breaker (for dual input systems) fitted with a shunt
trip coil for back feed protection. However, the UPS includes all required back feed protection circuitry to comply with safety
agency requirements. The capacity rating for J17 is 250 VAC, 5 A.
30 Proprietary and Confidential ©2023 Vertiv Group Corp. 3 Installation and Commissioning
Vertiv™ Liebert® EXS Installer/User Guide