Critical PowerModifications reserved Page 68/146GE_UPS_OPM_TLE_SCE_M60_M80_1GB_V020.docx User Manual TLE Series 600 & 800 CE S15.11 EPO COMMAND CONNECTION (EMERGENCY POWER OFF)WARNING !The connection of an emergency button EPO (Emergency Power Off) must beperformed by QUALIFIED SERVICE PERSONNEL only when the UPS isCOMPLETELY POWERED DOWN.BE AWARE !The reliability of the system depends on this contact NC (Normally Closed)!An Emergency button (Normally Closed voltage-free contact) can be connected on terminals XA /EPO-1, EPO-2. Max. rating XA terminals: 2.5mm2.Fig. 5.11-1 XA terminal block for EPO command connectionWhen opened, this contact causes the immediateopening of the Contactors K6 and K7 as well asthe shut-down of Rectifier, Inverter and Static-Switch.NOTE !This procedure could imply aLoad shut-down.In a Parallel System a separate NC (Normally Closed) contact must be connectedindividually to each unit.Fig. 5.11-2 XA “EPO - Emergency Power Off” – RPA Parallel System connection schematicsTLES_160-400_S1_Customer interface-XA_01Customer InterfaceXAE POE PO+-112 13 14 15 16 17 18 19 2021 222 3 4 5 6 7 8 910 11SGSE_400-500_S3_Terminals XA_01XAEPOEPO +-TLES_600_S1_UPS_EPO-RPA connection schematic_GE_01E POE PO +-E POE PO +-E POE PO+-XA XA XAEPO1 2- +1 2- +1 2- +