APC Step-Down Transformer RM 2U 208V IN 120V OUT w/L5-20 Receptacles

Overview

The APC AP9627 is a rack-mountable step-down transformer designed to convert a 208-volt power feed into a stable 120-volt output, making it easier to power standard equipment in environments with higher-voltage distribution. It fits into just 2U of rack space, allowing seamless integration into existing server racks without rearranging other hardware. With a 5000 VA load capacity and 90 percent efficiency, it provides reliable power for servers, networking switches, storage arrays, and lab instruments that require 120 volts.

Key features

• Converts 208 volt input to 120 volt output, enabling compatibility with standard equipment in high-voltage facilities
• Compact 2U rack size that fits neatly into server racks without disrupting existing setups
• Supports multiple devices through four NEMA L5-20R receptacles located on the rear panel
• Includes a factory-installed 2-foot cable with a NEMA L6-30P plug for quick and easy connection to 208 volt circuits
• Integrated circuit breaker protects connected equipment from overloads, enhancing safety and reliability
• Certified to UL 1778 and CSA standards, ensuring compliance with safety regulations in professional environments
• Operates effectively in typical data center and industrial conditions, with a temperature range from 32 to 104 degrees Fahrenheit and humidity tolerance up to 95 percent
• Mounting brackets included for secure and straightforward installation in rack environments

Key specs

• Input voltage: 208 V
• Output voltage: 120 V
• Load capacity: 5000 VA
• Efficiency: 90 percent
• Rack space: 2U
• Receptacles: Four NEMA L5-20R
• Input connector: NEMA L6-30P with 2-foot cable
• Operating temperature: 32 °F to 104 °F
• Humidity tolerance: Up to 95 percent
• Weight: 95.2 pounds
• Certifications: UL 1778, CSA

Connectivity and compatibility

This transformer is designed to integrate smoothly into racks already wired for 208 volt power distribution, providing four 120 volt outlets for a variety of devices. The included NEMA L6-30P input plug and cable make it easy to connect to existing branch circuits without additional wiring. It supports equipment commonly found in data centers, network closets, and industrial control rooms, making it a versatile choice for mixed-voltage environments.

Installation and setup

The AP9627 comes with mounting brackets that simplify secure installation in standard 19-inch racks, occupying only 2U of space. Its compact design and included power cable reduce setup time, which is especially valuable during maintenance windows or when configuring temporary test environments. The built-in circuit breaker adds a layer of protection, helping to prevent damage from electrical overloads during operation.

Ideal uses and environments

This step-down transformer is well suited for midsize data centers, disaster-recovery sites, branch office labs, and colocation cabinets where equipment with different voltage requirements must coexist. IT managers and engineers benefit from its ability to provide consistent 120 volt power without the need to rewire existing 208 volt infrastructure. Its robust design and safety certifications make it a dependable choice for professional settings that demand reliable power conversion.