Tripp Lite by Eaton 500VA 300W 120V Line-Interactive UPS — 6 NEMA 5-15R Outlets, USB, DB9, Network Card Option, 1U Rack/Tower

The Tripp Lite by Eaton 500VA 300W 120V Line-Interactive UPS is built to be your reliable shield against power disturbances, outages, and data-loss moments. Designed for home offices, small businesses, and sensitive electronics, this compact yet capable uninterruptible power supply combines robust backup time with intelligent power conditioning. Whether you’re safeguarding a desktop PC, a small server, a router, a network switch, or a NAS device, this UPS delivers fast, automatic voltage regulation and clean, stable power so you can save work, gracefully shut down, and avoid hardware damage when the power goes out or voltage sags and spikes occur. Its streamlined form factor—1U rack-mountable or a discreet tower—lets you fit it into a cabinet, under a desk, or directly in a small server room without sacrificing space or performance. The built-in protection features and versatile ports make it an ideal solution for protecting your essential electronics in environments where reliable power supply is critical.

• Comprehensive protection for critical devices: This UPS is engineered to shield computers, networking gear, and other sensitive electronics from outages, brownouts, spikes, and noise. With a 500 VA / 300 W capacity, it provides enough backup time to save work, properly shut down equipment, and keep essential services online during short interruptions.
• Six NEMA 5-15R outlets for flexible connectivity: Six standard outlets give you ample room to connect your workstation, monitor, external drives, router, and other peripherals. The design prioritizes clean power delivery to the devices that matter most, helping prevent unexpected reboots and data loss during power disturbances.
• Versatile management and monitoring options: The UPS includes USB and DB9 serial (RS-232) ports for local management and graceful shutdowns. An optional network management card is available, enabling remote monitoring and administration over an IP network, which is ideal for small offices or NOC-style setups where uptime and visibility matter.
• Flexible installation for any workspace: The 1U footprint is rack-mountable, and the chassis can also stand as a tower. This flexibility makes it easy to integrate into a rack enclosure, a workstation desk, or a small data room while maintaining accessibility to outlets and ports for maintenance and monitoring.
• Intelligent power features and alerts: Line-Interactive operation with automatic voltage regulation stabilizes fluctuating incoming voltages without draining the battery. The system includes audible alarms and battery test capabilities, giving you proactive insights into runtime and health so you can plan replacements with confidence.

Technical Details of Tripp Lite by Eaton 500VA 300W 120V Line-Interactive UPS

• Power capacity: 500 VA / 300 W
• Output voltage: 120 VAC
• Input voltage: 120 VAC
• Form factor: 1U rack-mountable or tower (convertible)
• Outlets: 6 NEMA 5-15R
• Management ports: USB and DB9 serial (RS-232)
• Network option: Optional network management card for remote monitoring
• Protection and conditioning: Surge protection and Automatic Voltage Regulation (AVR)
• Application: Ideal for computers, routers, switches, small servers, and essential network gear
• Operational features: Graceful shutdown, battery-backed outlets, audible alerts, and load monitoring

how to install Tripp Lite by Eaton 500VA 300W 120V Line-Interactive UPS

Step 1: Choose a location Decide whether you will mount the unit in a rack or place it on a stable surface. Ensure there is adequate airflow and access to the USB/DB9 ports, as well as the outlets for connected devices. Avoid placing the UPS near heat sources or in damp environments.

Step 2: Mount or position the UPS If using a rack, install the UPS in the 1U space following your rack’s guidelines. If used as a tower, position it on a sturdy desk or shelf with the outlets facing outward for easy cable management.

Step 3: Connect the power and devices Plug the UPS into a grounded wall outlet using the included power cord. Connect your critical devices—such as a computer, monitor, router, and network switch—to the six NEMA 5-15R outlets. If you plan to enable battery-backed protection on specific outlets, verify which outlets provide battery backup in your unit’s manual.

Step 4: Establish communication Connect the UPS to your computer or management system via USB or DB9 serial port. If you are using the optional network card, install it per the card’s instructions and connect the UPS to your network to enable remote monitoring and alerting.

Step 5: Install software and configure shutdown If your environment requires automatic shutdown, install the PowerAlert software (or your preferred UPS management software) on connected servers or workstations. Configure the shutdown scripts, notification settings, and any alerting thresholds to ensure a graceful shutdown during power events.

Step 6: Test and verify Run a controlled power-down test by simulating an outage or using the UPS’s test feature if available. Confirm that connected devices are protected, the computer initiates a proper shutdown, and the management interface displays runtime estimates and status indicators.

• For rack installations, ensure the chassis is properly secured and all cables are neatly organized to prevent airflow restrictions or cable interference.
• Keep spare batteries or replacement parts on hand if your environment requires frequent maintenance or long-term uptime planning.
• Regularly check for firmware or software updates from Tripp Lite to maintain compatibility with your devices and monitoring tools.
• Document the connected devices and outlet assignments so you can quickly reconfigure in case of rearrangements or repairs.

Frequently asked questions

• Q: What devices can the UPS protect? A: It protects computers, routers, switches, modems, NAS devices, and other sensitive electronics that require clean, stable power and graceful shutdown during outages. It is suitable for home offices and small business environments.
• Q: Does it come with management software? A: The basic USB and DB9 ports enable local shutdown and monitoring. An optional network management card provides remote monitoring and alerting, and compatible software can be installed for centralized management.
• Q: How long will the battery last during an outage? A: Runtime depends on the connected load. At lighter loads, you can expect several minutes of runtime to save work and shut down gracefully; with heavier loads, the runtime decreases. Always plan for expected outages and perform periodic tests to gauge actual runtime in your environment.
• Q: Can the unit be mounted in a rack? A: Yes, the UPS is designed as a 1U rack-mountable unit or a standalone tower, offering flexible deployment in a rack enclosure or on a desk or shelf.
• Q: What is the benefit of the AVR feature? A: Automatic Voltage Regulation stabilizes fluctuating input voltage without drawing down the battery, helping protect connected devices from minor sags and surges while conserving battery capacity for actual outages.
• Q: Is there any maintenance required? A: Regularly inspect cables and outlets, run battery tests if the management software or unit supports it, and replace the battery according to manufacturer recommendations or when runtime significantly diminishes.