Vertiv Liebert vs Eaton vs Delta Online UPS: Complete Engineering Comparison

Comparing Top Tier-1 Online UPS Architectures in India

As an authorized multi-brand power engineering partner, Northern EPES deploys and maintains Vertiv (Liebert), Eaton, Delta, and Numeric Legrand systems across India. Each OEM excels in specific load profiles.

1. Vertiv Liebert Series (GXT5, ITA2, EXS, APM Modular)

Vertiv leads in data centre density and edge IT reliability:

• Liebert ITA2 (5–40 kVA): Compact rack/tower convertible design with unity power factor and up to 96.5% double-conversion efficiency.
• Liebert EXS (10–80 kVA): Monolithic floor-standing 3-phase unit with integrated battery space and internal maintenance bypass.
• Liebert APM (30–600 kVA): Hot-swappable modular architecture for zero-downtime N+1 scalability.

2. Eaton Power Xpert Series (93E, 93PR, 9395XR)

Eaton is renowned for patented power switching and fault-clearing endurance:

• Eaton 93PR (25–200 kVA): Industry-leading modular UPS with 99% Energy Saver System (ESS) efficiency.
• Eaton 93E (15–400 kVA): Heavy-duty commercial and industrial workhorse.

3. Delta Amplon, Ultron & Modulon Series

Delta offers exceptional IGBT rectifier performance, low input current harmonic distortion (THDi < 3%), and cost-effective modular scalability for manufacturing and healthcare facilities.