CyberPower OL6KSTF Smart App Online Series UPS System Smart App Online Series

CyberPower OL6KSTF Smart App Online Series UPS System

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The CyberPower Smart App Online OL6KSTF rack/tower step-down isolation transformer converts 200 V to 240 V input voltage originating from utility power, a UPS, or a generator to 120 V output.

The OL6KSTF has a capacity of 6,000 VA / 6,000 Watts. It features six (6) NEMA 5-20R receptacles that can support output to NEMA 5-15P and 5-20P plug power cords. A hardwire output terminal block provides a means to connect to an electrical subpanel.

The included 6-foot cord (NEMA L6-30P plug to ROJ) connects the OL6KSTF to input power. Over temperature protection safeguards your OL6KSTF from damage if the internal heat exceeds safe operating parameters.

A Three-Year Warranty ensures that this extended battery module has passed our highest quality standards in design, assembly, material or workmanship.


  • Core Network Equipment
  • Hyperconverged Infrastructure (HCI)
  • Server Rooms
  • Server Virtualization Infrastructures (VMware, Hyper-V, Citrix)
  • Storage Devices
  • VoIP Installations


  • 6000 VA/6000 W
  • 120 V, 208 V, 50/60 Hz Output
  • Over Temperature Protection
  • Rack/Tower Form Factor
  • 3-Year Limited Warranty
Download PDF datasheet for detailed product information
Environmental RoHS Compliant
Safety UL 1778 5th Ed.CSA C22.2 NO.107.3-05
Audible Noise At 1M From Surface Of Unit 58 dBA
Operating Elevation 0 ft to 10,000 ft (0 m to 3,000 m)
Operating Humidity 0% to 90% (non-condensing)
Operating Temperature 32
Storage Elevation 0 ft to 50,000 ft (0 to 15,000 m)
Storage Relative Humidity 0% to 95% (non-condensing)
Storage Temperature -4
Thermal Dissipation (100% Load) 1379 BTU/h
Over Temperature Protection Yes
Type Step-Down Transformer
Cord Length (ft) 6
Current Rating 30 A
Frequency 50/60 Hz
Nominal Voltage 120 V, 208 V
Plug Type Hardwire (NEMA L6-30P power cord included)
Outlet Type (6) NEMA 5-20R, (1) Hardwire Terminal Block
Overload Protection Circuit Breaker Protected
VA 6,000 (6 kVA)
Watts 6,000 (6 kW)
Enclosure Construction Steel
Form Factor Rack / Tower Convertible
Rack Mounting Hardware Included
Physical Dimensions
Dimensions (WxHxD, In) 23.6 x 13 x 35.4
Dimensions (WxHxD, Mm) 600 x 330 x 900
Rack Units 2U
Weight (kg) 58
Weight (lb) 128.19
Extended 2-Years Warranty Optional WEXT5YR-ACC2C
Product Warranty 3 Years Limited