APC NetShelter Rack Automatic Transfer Switch 1U 15A

Overview

The APC AP4450A is a rack-mount automatic transfer switch designed to maintain continuous power to single-corded IT equipment by switching between two independent power sources. Rated for 15 amps at 100 to 120 volts and supporting up to 1440 VA, it fits into 1U of rack space, making it ideal for network closets, branch offices, and data centers where space and uptime are critical. This switch ensures that servers, switches, and edge devices stay powered without interruption or manual intervention.

Key features

• Automatic transfer between dual power inputs to prevent downtime during power source failure
• Compact 1U rack-mount design with included brackets for easy installation in tight spaces
• Ten rear NEMA 5-15R outlets to support a variety of network equipment and small servers
• Front and rear cord retention clips secure plugs to avoid accidental disconnections
• Clear LCD display and color LEDs provide real-time information on power source status, load levels, and alarms
• Integrated APC NMC3 network card enables secure remote management via Web interface, SNMP, or command-line interface
• Designed to operate reliably in temperatures from -5 °C to 45 °C and humidity up to 95 percent non-condensing
• Certified by TÜV and compliant with FCC Class A standards for safety and electromagnetic compatibility
• Standard two-year warranty with option to extend to five years for enhanced protection

Key specs

• Input voltage: 100 to 120 V
• Current rating: 15 A
• Power capacity: 1440 VA
• Rack space: 1U
• Number of outlets: 10 NEMA 5-15R
• Input cords: Dual NEMA 5-15P
• Operating temperature range: -5 °C to 45 °C
• Operating humidity range: 5 to 95 percent non-condensing
• Network management: APC NMC3 card with Web, SNMP, and CLI access
• Certifications: TÜV safety marks, FCC Class A compliance

Connectivity and compatibility

This transfer switch supports dual NEMA 5-15P input cords, allowing it to draw power from two independent sources for seamless switching. The ten NEMA 5-15R outlets on the rear panel accommodate a wide range of network devices and small servers commonly found in IT environments. The integrated APC NMC3 network card provides secure remote access, enabling IT staff to monitor power status, configure thresholds, and receive alerts from any location with network connectivity.

Installation and setup

The AP4450A installs easily into a standard 19-inch rack using the included mounting brackets, occupying just 1U of space. Cord retention clips on both the front and rear help keep power cords firmly in place, reducing the risk of accidental unplugging during maintenance or equipment moves. The clear LCD and LED indicators on the front panel offer immediate visual feedback on power source status and load, simplifying setup and ongoing monitoring.

Ideal uses and environments

This automatic transfer switch is well suited to environments where maintaining continuous power to single-corded IT equipment is essential. It fits naturally in network closets, branch offices, and production data centers where rack space is limited and uptime is a priority. Its robust operating temperature and humidity ranges make it reliable in a variety of indoor settings, supporting critical infrastructure without interruption.