If you are referring to the Emerson Liebert 400 kVA UPS (now under the Vertiv brand), here are the t...

If you are referring to the Emerson Liebert 400 kVA UPS (now under the Vertiv brand), here are the typical specifications:

Specification	Details
Capacity	400 kVA
UPS Type	True Online Double Conversion
Input Voltage	380/400/415 VAC, 3-Phase
Output Voltage	380/400/415 VAC, 3-Phase
Frequency	50/60 Hz
Efficiency	Up to 96% in Online Mode, up to 99% in Eco Mode (model dependent)
Output Power Factor	Up to 1.0 (depending on model)
Battery	External VRLA or Lithium-ion Battery Bank
Applications	Data Centers, Hospitals, Manufacturing Plants, Airports, Telecom, Industrial Facilities
Features	IGBT Rectifier, DSP Control, LCD Touch Display, Static & Maintenance Bypass, SNMP Monitoring, Parallel Redundancy

If you need information for a specific Emerson 400 kVA model, such as:

please provide the model number, and I can share its detailed datasheet, battery configuration, dimensions, and maintenance requirements.