Eaton 91PS UPS (1:1 / 3:1)


Lower TCO, higher availability - market leading resilience and efficiency levels to 99%.

This UPS system requires professional hard‑wired installation.

Call our sales team for pricing on 0333 222 4000

5 Options

Further Information

Eaton 91PS UPS Left Side
Eaton 91PS UPS Left Side
Eaton 91PS UPS Cover Open
Eaton 91PS UPS Cover Open
Eaton 91PS UPS Right Side
Eaton 91PS UPS Right Side
Eaton 91PS UPS Family
Eaton 91PS UPS Family

Product Description

The Eaton 91PS provides the lowest Total Cost of Ownership and maximum availability in its power range. Whatever your mission-critical application, the Eaton 91PS UPS offers the power performance, scalability, resiliency and efficiency you need for cost-efficient business continuity. Available in 1:1 (8 - 10kW) and 3:1 (8 - 30kW) options. With Unity power factor (1kVA=1kW), the 91PS offers more capacity in its class than all its competitors.

Lowest Total Cost of Ownership - The Eaton 91PS costs less to own due to increased efficiency - all thanks to a number of leading technologies. Eaton’s Energy Saver System (ESS), for example, improves efficiency levels to 99% resulting in huge long term savings in operating expenses.

Maximum Availability - Whatever the changing conditions – and however quickly they change – the Eaton 91PS is designed to maintain a steady, uninterrupted and clean power supply through in-built advanced technologies.

Future Ready - The rapid adoption of the cloud, constant evolution of IT technologies, increased focus on environmental footprint and sophistication of mission-critical applications are demanding even more efficient, resilient, scalable and safe power protection solutions. The Eaton 91PS is a uniquely intelligent UPS and is both virtualisation and cloud-ready.

Technical Specification

Warranty 3 Years
UPS Technology Online
Ports and connections
Input Single & 3 phase options
Output Single phase hardwired
Communications Mini-slot ports for optional cards, Device USB and Host USB, RS-232 service port, relay output, 5 building alarm inputs and a dedicated EPO, Web and SNMP card
Typical backup time at 50% load (mins) Please contact us for requirements
Typical backup time at 70% load (mins) Please contact us for requirements
Output power (VA) 8kVA
Output power (Watts) 8kW
Input Voltage (Volts) 220/380, 230/400, 240/415
Output Voltage (Volts) 220/380, 230/400, 240/415
Power Supply Input Frequency (Hz) 50 / 60
Dimensions and weight
Width (mm) 335
Depth (mm) 750
Height (mm) 1300
Weight (Kg) 158


Protecting the world’s top brands See the sectors we work in
Next day delivery for many of our products. Please call our friendly sales team for pricing and availability - 0333 222 4000.