APC Step-Down Transformer RM 2U 208V IN 120V OUT w/Hardwire Input/Output

Designed for professional IT environments, the APC RM 2U Step-Down Transformer delivers dependable voltage conversion from higher input levels to a lower, safer output for a wide range of devices. This robust, rack-mountable transformer is ideal for data centers, network closets, labs, and industrial cabinets that rely on 208V or 200V incoming power but require 120V-ready equipment. With its compact 2U footprint, the RM transformer slots neatly into standard 19-inch racks, freeing floor space while providing essential protection against voltage fluctuations and spikes. The unit features hardwire input and output connections (1) Hard Wire 3-wire (H N + G), ensuring secure, industry-standard wiring for professional installations. A 2-year repair-or-replace warranty from APC underscores the confidence in its build quality and long-term reliability, leaving you with a straightforward service path should issues arise. In environments where uptime is critical, this transformer helps stabilize power delivery to servers, switches, storage devices, network devices, and other 120V-rated equipment, reducing the risk of voltage-related faults and enabling more predictable operation. Whether you’re expanding a data center rack, upgrading a lab setup, or configuring a remote network cabinet, the APC RM 2U Step-Down Transformer provides a reliable bridge between high-voltage supply and sensitive electronics while maintaining clean, grounded, and code-compliant power distribution.

• Versatile voltage conversion: Converts a higher input voltage (208V-200V) to a lower output voltage (120V-100V) to extend compatibility for equipment designed for US voltage in environments with elevated mains voltage.
• 2U rack-mount form factor: Engineered for standard 19-inch racks, occupying only 2U of vertical space to maximize cabinet density while delivering robust, professional-grade voltage transformation.
• Hardwire input/output connections: Features a single hard-wire 3-wire (H N + G) input and a corresponding hardwired output, providing secure, durable connections suitable for data centers, labs, and enterprise deployments.
• Reliable protection and service: Built for continuous operation with dependable safety features and a 2-year repair-or-replace warranty from APC for peace of mind and predictable support when needed.
• Efficient installation and maintenance: Compact, shielded enclosure minimizes cable clutter, supports straightforward grounding, and simplifies ongoing maintenance in busy IT environments.

Technical Details of APC Step-Down Transformer RM 2U 208V IN 120V OUT w/Hardwire Input/Output

• Model: APC Step-Down Transformer RM 2U
• Input voltage: 208V (typical) to 200V range
• Output voltage: 120V nominal (designed to power 120V equipment from higher mains)
• Form factor: 2U rack-mount enclosure for standard 19-inch racks
• Output connections: 1 hard-wire 3-wire connection (H N + G)
• Warranty: 2-year repair or replace

How to install APC Step-Down Transformer RM 2U 208V IN 120V OUT w/Hardwire Input/Output

Installing the APC RM 2U Step-Down Transformer is a straightforward process designed for professional racks and standard electrical panels. Before you begin, ensure you have the correct tools, adequate clearance for ventilation, and certified electrical wiring in compliance with local electrical codes. The following steps outline a safe, efficient installation that protects equipment and maintains reliable power delivery.

• Plan and verify compatibility: Confirm that your equipment requires 120V output and that your facility provides a suitable 208V (or 200V) supply. Review the total wattage and current requirements of connected devices to ensure the transformer is loaded within its rated capacity. Identify a clean, well-ventilated rack location with stable temperature to maximize transformer life and cooling efficiency.
• Prepare the rack space: Select a standard 19-inch rack slot with adequate clearance around the unit for airflow. Route cables neatly to minimize blockage and reduce strain on connections. Ensure the mounting surface is sturdy and level to support the transformer and attached equipment safely.
• Mount the transformer: Slide the RM 2U unit into the rack and secure it using the included rack screws or mounting hardware. Confirm that it is firmly fastened and aligned to prevent vibration or movement during operation, which can affect connections and heat dissipation.
• Connect the input power (H N + G): Use an appropriate hard-wire connection to bring 208V (or 200V) power into the transformer. Maintain correct polarity and connect the grounding conductor (G) to the rack or grounding bar as required by your facility’s electrical code. Double-check all connections for tightness and insulation. No step should leave exposed conductors.
• Connect the output to your equipment: Wire the 120V-rated devices to the transformer's output terminals. Ensure all devices share a common ground and that the total load remains within the transformer's capacity. Keep output cables organized and routed away from heat sources or sharp edges that could cause damage over time.
• Initial power-up and verification: Power on the input supply and monitor the transformer for proper operation. Use a voltmeter or multimeter to confirm that the output voltage is delivering an steady 120V to connected devices. Check for unusual heat, sounds, or warning indicators, and address any anomalies immediately.
• Safety and commissioning: Verify that all cable connections are secure and compliant with local electrical codes. Label the transformer and its input/output lines for future maintenance, and establish a routine to inspect the enclosure, vents, and wiring periodically to prevent failures.
• Documentation and support: Record model information, warranty status, and installation details. If issues arise, reference APC’s support resources and your 2-year warranty coverage for repair or replacement guidance.

Frequently asked questions

• Q: What is the APC RM 2U Step-Down Transformer used for? A: It converts higher mains voltage (208V/200V) to a lower 120V output, enabling 120V equipment to operate safely in environments with a higher input voltage. It is ideal for servers, networking gear, storage devices, and other 120V devices in data centers, labs, and network closets.
• Q: What input voltage does this transformer accept? A: It is designed for 208V (typical) with a range around 200V, suitable for environments where 208V mains are available.
• Q: What output voltage do I get? A: The transformer provides a 120V output to connected equipment, allowing 120V-rated devices to function properly from a higher-voltage supply.
• Q: How many output connections are there? A: The unit features a single hard-wire output connection for professional installations, with 1 hard-wire 3-wire input (H N + G) and corresponding output wiring per the installation.
• Q: What is the warranty? A: APC provides a 2-year repair-or-replace warranty on this transformer, offering coverage for manufacturing defects and certain types of failure, giving you confidence in long-term reliability.
• Q: Is the transformer rack-mountable? A: Yes. The RM 2U form factor is designed specifically for standard 19-inch racks, occupying 2U of vertical space and enabling compact, organized power distribution within a server room or cabinet.