CyberPower
CyberPower OL5KSTF 5000VA Step-down Isolation Transformer accessory
A 5000 VA step-down isolation transformer converts 200-240 VAC input to 208 VAC output with twelve NEMA 5-20R outlets in a rackmountable form factor
- Input Voltage Range200 - 240 VAC
- Input Frequency50/60 Hz
- VA Rating5000 VA
- Watts5000W
- Output Voltage208V
- Output Frequency50/60 Hz (Auto-sensing/configurable)
- 5000 VA capacity handles demanding loads
- 208 V output matches equipment requirements
- 12 NEMA 5-20R outlets connect multiple devices
- Auto-sensing 50/60 Hz input adapts automatically
- Rackmount design fits standard enclosures
5000 VA step-down transformer
The CyberPower OL5KSTF is a 5000 VA step-down isolation transformer that converts a 200 to 240 VAC input to a 208 VAC output. It operates at 50 or 60 Hz with auto-sensing frequency detection. The unit provides twelve NEMA 5-20R outlets for connected equipment. It is designed for rack or tower installation.
Suits 208 V equipment on 200-240 V mains
This transformer suits sites where 208 V hardware must run from a 200 to 240 VAC supply. It is not for locations that already deliver 208 V, nor for loads that require a different output voltage. Buyers needing higher VA capacity or alternative outlet types should look elsewhere.
5000 VA rating and 208 V output
The single specification that decides fit is the 5000 VA rating paired with a fixed 208 V output. The load must not exceed 5000 VA or 5000 W. The input must fall within the 200 to 240 VAC range.
Highlights
- 5000 VA capacity handles demanding loads
- 208 V output matches equipment requirements
- 12 NEMA 5-20R outlets connect multiple devices
- Auto-sensing 50/60 Hz input adapts automatically
- Rackmount design fits standard enclosures
Specifications
| Brand | CyberPower |
|---|---|
| Model | OL5KSTF |
| Input Voltage Range | 200 - 240 VAC |
| Input Frequency | 50/60 Hz |
| VA Rating | 5000 VA |
| Watts | 5000W |
| Output Voltage | 208V |
| Output Frequency | 50/60 Hz (Auto-sensing/configurable) |
| Outlet Type | 12 - NEMA 5-20R |
| Rackmountable | Yes |
| Shipping weight | 52.48 kg |
| Package size | 899 × 599 × 330 mm |
Questions about this item
What UPS capacity must I already have for the OL5KSTF to step down its output?
The OL5KSTF requires a UPS supplying 200–240 VAC at 50/60 Hz and rated for 5000 VA or 5000 W so the transformer can produce 208 V at the same power level.
Can I keep my existing NEMA 5-20R devices when adding the OL5KSTF?
Yes — the unit provides twelve NEMA 5-20R outlets, so any 208 V equipment using that plug fits directly without adapter cables.
How do I confirm the OL5KSTF is delivering the correct voltage after installation?
Measure the output with a multimeter; it should read 208 V while the input frequency auto-senses between 50 Hz and 60 Hz.
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