CyberPower OL6KSTF

Overview

The CyberPower OL6KSTF is a step-down transformer that converts 200-240V input power into a stable 120V output, designed to support network equipment, servers, and storage devices in professional IT environments. With a robust capacity of 6000 VA/6000W, it can handle heavy electrical loads, making it suitable for setups requiring reliable power conversion and distribution.

This transformer features six NEMA 5-20R outlets, allowing multiple 120V devices to be connected simultaneously. Its durable steel construction and built-in protections ensure long-lasting performance and safety in demanding conditions. Installation is flexible, with options for rack mounting or tower placement, supported by a 6-foot power cord with a NEMA L6-30P plug and a hardwire terminal block for direct subpanel connections.

Key features

• Converts higher voltage input (200-240V) to a consistent 120V output to power standard North American devices safely
• High capacity of 6000 VA/6000W supports multiple devices and heavy workloads without risk of overload
• Six NEMA 5-20R outlets provide ample connection points for essential IT equipment and peripherals
• Hardwire terminal block enables direct integration with subpanels for flexible installation options
• 6-foot power cord with NEMA L6-30P plug simplifies connection to power sources in racks or tower setups
• Supports both 50 Hz and 60 Hz frequencies, making it compatible with various power standards worldwide
• Over-temperature protection and resettable circuit breakers safeguard connected devices from power faults and overheating
• Durable steel chassis designed to withstand industrial and professional use environments
• Three-year limited warranty provides confidence in long-term reliability and support

Key specs

• Input voltage: 200-240V
• Output voltage: 120V
• Capacity: 6000 VA / 6000W
• Outlets: Six NEMA 5-20R
• Power cord length: 6 feet
• Power cord plug: NEMA L6-30P
• Frequency support: 50 Hz / 60 Hz
• Construction: Steel chassis
• Protection features: Over-temperature protection, resettable circuit breakers
• Warranty: Three-year limited

Connectivity and compatibility

This transformer is designed to integrate seamlessly into professional IT setups, supporting a wide range of 120V devices commonly found in server rooms and network closets. The six NEMA 5-20R outlets accommodate standard North American plugs, while the hardwire terminal block allows for direct subpanel connections, offering installation flexibility in complex electrical environments.

Its compatibility with both 50 Hz and 60 Hz power frequencies ensures it can be used in various regions and power infrastructures without issue.

Installation and setup

The OL6KSTF offers versatile installation options to fit different workspace layouts. It can be mounted in a standard equipment rack or positioned as a tower unit, depending on your space and accessibility needs. The included 6-foot power cord with a NEMA L6-30P plug makes connecting to power sources straightforward, while the hardwire terminal block provides an alternative for direct wiring into subpanels.

These features make it suitable for IT professionals who require a reliable and adaptable power solution for their equipment.

Ideal uses and environments

This step-down transformer is well suited to data centers, server rooms, and network closets where stable 120V power is essential for sensitive equipment. It supports setups with multiple devices drawing significant power, such as servers, storage arrays, and networking gear. Its rugged construction and protective features make it a strong choice for environments where continuous operation and equipment safety are priorities.

IT managers and system administrators will find this transformer a practical solution for managing power conversion and distribution in demanding professional settings.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, with tags, manuals, accessories, and original, unaltered packaging. Any item kept will be deducted from the refund. Start a return by sending us an email. Items sent back without approval may be refused or returned to the sender.

Some items are not returnable: opened TVs/combos/monitors 37″+, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method; allow 5–7 business days for the credit to post. Shipping, handling, customs duties, and import taxes are nonrefundable. If an item is used, incomplete, or not in original condition, a 30% restocking fee may apply. Direct exchanges are not offered; purchase the replacement and return the original for a refund.

We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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