EMERSON SolaHD™ S4K5U-5C 6 kVA International On-Line UPS Product Description S4K5U-5C 6 kVA International On-Line UPSs feature true online (double conversion) topology for the ultimate in protection against a wide range of potential power problems. Flexible output voltages are available through the configuration program to allow for international use. Self-diagnostics simplify maintenance and troubleshooting, and the UPS is user serviceable. The standard maintenance bypass switch provides an additional level of protection. Specifications Capacity (VA/W) 6000/4800 Typical Back-up Time (minutes, full/half load) Internal Battery 17/6 Audible Noise <55 dBA @ 3.2FT rear; <50 dBA @ 3.2FT front/sides Hertz 50 or 60 Hz Input Voltage Range 176-280 Vac Nominal Voltage Range 230 Vac Number of Phases Single Phase Operating Temperature 0°C to +40°C Output Voltage Range 230 Vac Features CE, EAC, ABS Type, ISTA Procedure 1A True double conversion topology Flexible L-N output voltage (220/230/240V) Intellislot, USB, and terminal block communication ports. Configurable as a tower or rack mount model High density, 6 kVA in only 5U of rack space User replaceable, hot-swappable internal battery module Matching 3U extended battery cabinets Self-diagnostics simplify maintenance and troubleshooting. Includes both automatic and manual maintenance bypass switch. Remote Emergency Power Off (REPO) Automatic frequency detection of either 60 or 50 Hz