Eaton SMART1500SLT SmartPro 1500VA Line-Interactive UPS

Product Overview

The Eaton SMART1500SLT SmartPro is a 1.5kVA / 900W line-interactive UPS built for protecting servers, network switches, and rack-mount equipment in commercial environments. It's a common choice for network closet UPS backup, server room power protection, and small data center deployments where clean, uninterrupted power matters. The tower form factor fits easily under a desk, on a shelf, or beside a rack in an IT closet, and pure sine wave output makes it safe for sensitive network and server hardware. Integrators and facilities teams specify this unit when they need dependable battery backup without the footprint or cost of a large rack-mount system.

Product Description

The SMART1500SLT delivers 1500VA / 900W of line-interactive UPS protection with automatic voltage regulation (AVR) that corrects brownouts and overvoltages without switching to battery, extending battery life and reducing wear in facilities with unstable utility power. Pure sine wave output ensures compatibility with active PFC power supplies found in modern servers, network switches, and AV control processors, avoiding the waveform issues that simulated sine wave units can cause. Eight NEMA 5-15R outlets provide enough capacity for a switch, a small server, a router, and peripheral network gear on a single unit, making it well suited for network closet installations and small server room deployments. Built-in surge suppression (690 joules) protects connected equipment from transient spikes common in commercial electrical systems. The unit includes USB and RS-232 ports for connection to a PC or network management card, along with an EPO (Emergency Power Off) port for centralized shutdown control in data center and server room environments. A slot for an optional network management card allows remote monitoring and SNMP alerting, which is valuable for IT teams managing multiple closets or racks across a building or campus. At full 900W load, the battery delivers roughly 8 minutes of runtime, extending to about 20 minutes at half load, enough time for a graceful shutdown or generator transfer. The tower chassis keeps the footprint small for network closets, under-desk installs, or AV equipment racks where rack unit space is limited or unavailable.

Key Features

• Pure Sine Wave Output — Matches utility power quality for reliable operation with servers, switches, and other active PFC equipment.
• Automatic Voltage Regulation (AVR) — Corrects under- and overvoltage conditions from 95V to 145V without draining the battery.
• 8 NEMA 5-15R Outlets — Provides enough outlet capacity for a switch, server, and peripheral network gear from one unit.
• Network Management Card Slot — Supports optional SNMP/network cards for remote monitoring in multi-closet or multi-rack environments.
• USB and RS-232 Connectivity — Enables PC-based monitoring and automatic, graceful shutdown during extended outages.
• EPO Port — Supports centralized emergency power off control for data center and server room safety requirements.
• 690-Joule Surge Suppression — Protects connected network and IT equipment from electrical transients.
• Compact Tower Form Factor — Fits network closets, under-desk spaces, and equipment racks where floor or shelf space is limited.

Typical Applications

• Network closet
• Server room
• Data center (edge/small deployment)
• Conference room (AV control equipment backup)
• Commercial meeting space

Technical Specifications

Frequently Asked Questions

Does the SMART1500SLT support remote monitoring?
Yes. It includes USB and RS-232 ports for direct PC monitoring, plus a network management card slot for an optional SNMP/network card, allowing remote monitoring and alerting across a network closet or facility.

Is this UPS compatible with active PFC server and network power supplies?
Yes. The SMART1500SLT outputs pure sine wave power, which is required for reliable operation with active PFC power supplies used in most modern servers, switches, and networking equipment.

How long will connected equipment run during an outage?
Runtime is approximately 8 minutes at full 900W load and about 20 minutes at half load, sufficient for a graceful shutdown or transfer to backup generator power.

Can this unit be integrated into a building-wide emergency shutdown system?
Yes. The built-in EPO (Emergency Power Off) port allows integration with centralized emergency shutdown controls, a common requirement in data centers and server rooms.

What warranty does this UPS carry?
It carries a 2-year standard warranty, extendable to 3 years with product registration.

Is professional installation required?
No special installation is required beyond standard electrical connection. It plugs into a standard NEMA 5-15 outlet and connected equipment plugs directly into the UPS. Integrators commonly install it during initial network closet or rack buildout.

Does the battery need to be replaced periodically?
Yes. The unit uses a Valve Regulated Lead Acid (VRLA) battery, replaced with model RBC36-SLT, following standard UPS battery service intervals for commercial use.