UPS Resources & Downloads — ATENCO | Datasheets, Manuals, Software, White Papers
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RESOURCES

Knowledge Center &
Downloads

Access product documentation, technical resources, software tools, and expert knowledge — everything you need to design, deploy, and maintain your power protection systems.

All Datasheets Manuals White Papers Videos Software
PRODUCT DOCUMENTATION

Datasheets, Manuals & Guides

Download technical specifications and operating guides for every ATENCO product series.

TM11E Series

1–10 kVA Tower UPS

Online double-conversion tower UPS
Datasheet (PDF) PDF User Manual 1-3 kVA PDF User Manual 6-10 kVA PDF
RM11E Series

1–10 kVA Rack/Tower UPS

Convertible rack/tower UPS
Datasheet 1-3 kVA PDF Datasheet 6-10 kVA PDF User Manual PDF
TM33E Series

10–200 kVA Three-Phase

Industrial three-phase UPS
Datasheet (PDF) PDF Installation Guide PDF
Battery Systems

VRLA & Lithium-Ion

Battery solutions for UPS systems
Battery Catalog PDF Sizing Guide PDF
Server Cabinets

Racks & Enclosures

Server racks and PDU solutions
Cabinet Catalog PDF PDU Datasheet PDF
Line Interactive

LT/LR Series

Line-interactive UPS systems
Product Overview PDF Quick Start Guide PDF
TECHNICAL KNOWLEDGE

White Papers & Technical Articles

Deepen your understanding of power protection technology, best practices, and industry standards.

TECHNOLOGY

Understanding UPS Topologies

A comprehensive guide to line-interactive, online double-conversion, and offline UPS architectures — when to use each and why.

12 min read Read Article →
BATTERIES

VRLA vs Lithium-Ion Batteries

Compare battery technologies for UPS applications: lifespan, TCO, safety, weight, and environmental considerations.

8 min read Read Article →
GUIDE

UPS Sizing Best Practices

How to properly size your UPS system: load calculations, runtime requirements, redundancy planning, and future growth.

10 min read Read Article →
FUNDAMENTALS

Power Quality Fundamentals

Understanding sags, surges, harmonics, and frequency variations — and how modern UPS systems address each power anomaly.

15 min read Read Article →
TOOLS & SOFTWARE

Software Downloads & Sizing Tools

Interactive tools and monitoring software to help you select, configure, and manage your power systems.

UPS Sizing Calculator

Input your load requirements, desired runtime, and redundancy level to find the optimal ATENCO UPS solution.

Launch Calculator

Monitoring Software

Download ATENCO PowerGuard — real-time UPS monitoring, automated shutdown, and SNMP management for all ATENCO systems.

Download v3.2

Firmware Updates

Keep your UPS systems up to date with the latest firmware for enhanced performance, security, and compatibility.

View Updates
KNOWLEDGE BASE

Frequently Asked Questions

Quick answers to common questions about UPS systems, installation, maintenance, and troubleshooting.

An online (double-conversion) UPS continuously converts incoming AC power to DC and back to AC, providing complete isolation from power anomalies with zero transfer time. A line-interactive UPS normally passes utility power through to the load and uses an autotransformer to regulate voltage, switching to battery only during outages with a typical 2–4ms transfer time. Online UPS is preferred for mission-critical applications, while line-interactive offers excellent protection at a lower cost for less sensitive equipment.
To size a UPS correctly, add up the wattage (W) or volt-ampere (VA) ratings of all equipment you want to protect. Then add a 20–25% safety margin for future growth and inrush currents. For example, if your total load is 2,000W and your UPS has a power factor of 0.9, you would need at least 2,500 VA (2,000W ÷ 0.9 × 1.25). Also consider the runtime you need during an outage — longer runtimes require additional battery capacity through external battery packs.
Standard VRLA (valve-regulated lead-acid) batteries typically last 3–5 years under normal conditions, though high temperatures or frequent discharges can shorten this lifespan. Lithium-ion batteries offer significantly longer life at 8–10 years. We recommend performing regular battery health tests every 6 months and replacing batteries proactively before they reach end of life to avoid unexpected downtime.
Yes, most ATENCO UPS models support external battery packs (EBPs) for extended runtime. The TM11E and RM11E series feature dedicated EBP connectors allowing you to add one or more battery cabinets without modifying the UPS itself. The number of EBPs you can add depends on your UPS model and the charger capacity. Contact our technical team for specific EBP compatibility and runtime calculations for your configuration.
PF (Power Factor) 0.9 means the UPS can deliver 90% of its VA rating as real power (watts). For example, a 3 kVA UPS with PF 0.9 delivers 2,700W of usable power. Higher power factor means more efficient use of the UPS capacity. ATENCO’s online UPS systems feature PF 0.9 output, providing more usable power compared to older designs with PF 0.7 or 0.8, allowing you to power more equipment with the same VA rating.
ATENCO UPS systems support SNMP monitoring through optional network management cards. Install the SNMP card in the UPS’s communication slot, connect it to your network via Ethernet, and configure the IP address through the card’s web interface. You can then monitor UPS status, receive alerts, and manage the system remotely using any SNMP-compatible network management system (NMS) or ATENCO’s PowerGuard software.
Regular preventive maintenance extends UPS life and ensures reliability. Key maintenance tasks include: visual inspection of the unit and connections quarterly, battery health testing every 6 months, cleaning air filters and vents semi-annually, verifying fan operation, checking for firmware updates annually, and performing a full load test yearly. For three-phase systems, we recommend an annual preventive maintenance visit by a certified technician.
ATENCO provides a standard 2-year warranty on all UPS hardware, covering manufacturing defects and component failures under normal operating conditions. Batteries carry a separate 1-year warranty. Extended warranty plans of 3 or 5 years are available for purchase at the time of order or within the first year. Enterprise customers can also opt for comprehensive service agreements that include preventive maintenance, priority support, and advance replacement.
VIDEOS & MEDIA

Video Library

Watch product overviews, installation guides, and technical tutorials.

PRODUCT
4:32

TM11E Series Overview

Complete walkthrough of the TM11E online tower UPS: features, specifications, and applications.

Watch Video →
TUTORIAL
8:15

UPS Installation Best Practices

Step-by-step installation guide covering site preparation, electrical connections, and commissioning.

Watch Video →
MAINTENANCE
3:48

Battery Replacement Guide

How to safely replace hot-swappable batteries in ATENCO rack-mount and tower UPS systems.

Watch Video →
NEWS & UPDATES

Latest from ATENCO

March 2026

RM11E Series Now Available

The new RM11E rack/tower convertible UPS delivers 2U efficiency with hot-swappable batteries and parallel redundancy up to 10 kVA.

Read More →
February 2026

ATENCO Expands EMEA Distribution

New distribution partnerships across Europe, Middle East, and Africa bring ATENCO power solutions closer to regional customers.

Read More →
January 2026

Lithium-Ion Battery Options Coming Q2

ATENCO announces lithium-ion battery compatibility for select single-phase and three-phase UPS series, launching Q2 2026.

Read More →

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