CyberPower Rack/Tower Step-Down Isolation Transformer (5000W, Silver)

Overview

The CyberPower OL5KSTF is a step-down isolation transformer designed to convert 208V input power into a stable 120V output, delivering up to 5000 watts of capacity. It is built to support multiple devices simultaneously, making it well suited for IT environments, data centers, and setups that demand reliable power distribution. Its flexible installation options allow it to be mounted horizontally in a rack or used vertically as a tower, adapting to various space requirements.

Key features

• Converts higher voltage input (208V) to a consistent 120V output to protect sensitive equipment
• Supports both 50 Hz and 60 Hz output frequencies for broad compatibility with different devices
• Equipped with 12 NEMA 5-20R outlets, providing ample connection points without extra power strips
• Flexible installation as either a 2U rack-mounted unit or a standalone tower to fit your workspace
• Includes over-temperature protection and resettable circuit breakers on input and output to prevent damage from overloads
• Constructed with durable metal housing to withstand demanding environments and ensure long-term reliability
• Backed by a three-year warranty, offering confidence in its performance for critical power applications

Key specs

• Input voltage: 208V
• Output voltage: 120V
• Power capacity: 5000 watts
• Output frequency: 50 Hz / 60 Hz
• Outlets: 12 x NEMA 5-20R
• Form factor: 2U rack or tower
• Protection features: Over-temperature protection, resettable input and output circuit breakers
• Construction: Metal chassis

Connectivity and compatibility

This transformer is designed to integrate seamlessly with a variety of power sources such as utility lines, UPS systems, and generators that provide 208V input. The 12 NEMA 5-20R outlets accommodate a wide range of standard North American plugs, reducing the need for additional adapters or power strips. Its support for both 50 Hz and 60 Hz frequencies ensures it works well with equipment from different regions or with varying power requirements.

Installation and setup

The OL5KSTF offers versatile installation options to fit your environment. It can be mounted horizontally in a standard 2U rack space, making it ideal for data centers or server rooms where rack space is at a premium. Alternatively, it can stand vertically as a tower, which suits setups with limited rack availability or where floor space is more accessible. This flexibility helps optimize your workspace without compromising on power delivery.

Ideal uses and environments

This step-down isolation transformer is a strong choice for IT professionals, data center managers, and anyone needing stable 120V power from a 208V source. It fits well in environments where multiple devices require reliable power protection and distribution, such as server racks, network closets, and critical infrastructure setups. Its robust protection features and durable build make it suitable for continuous operation in demanding conditions.