APC by Schneider Electric
France
Global provider of reliable power protection and management solutions for home, business, and data centers.
Smart-UPSEasy UPSSymmetraNetShelter
Explore well-known uninterruptible power supply manufacturers and their flagship products.
Global provider of reliable power protection and management solutions for home, business, and data centers.
Power management company offering scalable UPS systems and power quality solutions for critical infrastructure.
Infrastructure solutions for edge to enterprise, including high-availability UPS and thermal management.
Manufacturer of rack-mount UPS systems and custom power solutions for data center and industrial use.
Modular and high-efficiency UPS systems designed for data centers and telecom applications.
Energy-efficient UPS platforms for enterprise IT, industrial, and mission-critical environments.
European UPS manufacturer focusing on efficiency, resilience, and scalable power protection.
Cost-effective UPS and power distribution solutions for small business and professional users.
Power protection, connectivity, and rack infrastructure solutions for IT and AV environments.
Provider of UPS, data center infrastructure, and energy storage solutions across global markets.
Industrial-grade UPS and power electronics for IT, manufacturing, and critical facilities.
UPS and power quality brand offering solutions for SMB to enterprise applications.
Use this quick checklist to shortlist vendors that match your technical and budget requirements.
Define load and runtime
Calculate total watts/VA and required runtime at load. Decide single vs. redundant UPS.
Choose topology
Offline/line-interactive for basic needs; online double-conversion for critical loads.
Battery technology and service
Compare VRLA vs. Li-ion, hot-swap capability, and replacement cycles/warranty terms.
Scalability and form factor
Evaluate rack height, depth, weight, and whether modular expansion is supported.
Management and monitoring
Look for SNMP/Modbus options, software integration, and alerting/reporting features.
After-sales support
Check onsite service availability, SLAs, parts logistics, and local certification/compliance.
Uninterruptible Power Supply Companies design, manufacture, and service UPS systems that keep your equipment running during power disturbances. They typically offer:
UPS hardware portfolios
Standalone, rack-mount, and modular UPS with varying topologies and power ratings.
Batteries and energy storage
VRLA and Li-ion batteries, battery cabinets, BMS, and replacement services.
Monitoring and management
Software, SNMP/Modbus, and cloud tools for alerts, reporting, and automation.
Professional services
Sizing, installation, commissioning, maintenance, and emergency support.
Evaluate power capacity, runtime options, topology, efficiency, monitoring integrations, warranty, and local service coverage.
Online double-conversion provides the highest protection for critical loads; line-interactive is suitable for cost-sensitive, moderately sensitive equipment.
Lithium offers longer lifespan, smaller footprint, and faster recharge at a higher upfront cost; VRLA is lower cost but heavier with shorter life.
Look for UL/CE, IEC standards, and any local compliance required by your region or industry.
From early rotary systems to today’s high‑efficiency, modular architectures, Uninterruptible Power Supply technologies have evolved to protect increasingly digital and mission‑critical environments.
1930s–1950s: Rotary and motor‑generator sets
Early power conditioning relied on mechanical inertia to ride through short outages and voltage dips.
1960s–1970s: Static UPS emerges
Silicon rectifiers and inverters enable the first static UPS with battery energy storage and faster transfer times.
1980s–1990s: Online double‑conversion
Continuous AC‑DC‑AC conversion improves power quality and protection for data centers and telecom.
2000s: Scalable and high‑efficiency designs
Transformer‑less topologies, ECO modes, and advanced IGBTs reduce losses and footprint.
2010s: Modular UPS and lithium batteries
Hot‑swappable power modules and Li‑ion battery systems deliver higher availability and energy density.
2020s: Edge computing and smart monitoring
UPS integrates with DCIM/cloud platforms, predictive analytics, and micro‑grid/renewable systems.