Eaton UPS Blog

Wednesday 26th of August 2026 · Rebecca Sloan

Eaton UPS 9395, Reliance Transfer Switches, and Why Verification Beats Repair

A quality inspector's case for verifying the electric panel before trusting an Eaton UPS 9395, Eaton 9130 rackmount UPS, or Reliance generator transfer switch—and why 'how to transfer switch 1 to switch 2' misses the point.

Wednesday 26th of August 2026 · Rebecca Sloan

The Hidden Cost of UPS Buying: Batteries, Maintenance, and What Actually Keeps Your Server Up

An office administrator's honest take on buying UPS systems, testing batteries, and why the cheapest quote is rarely the best deal. Covers Eaton UPS service center, rackmount UPS choices, and multimeter testing.

Tuesday 25th of August 2026 · Rebecca Sloan

Eaton UPS Canada: What My $1,800 550VA Mistake Taught Me About Comparing UPS Units

A facilities coordinator in Canada shares how buying an Eaton 550VA UPS led to a costly power failure — and compares entry-level vs professional UPS units across wattage, topology, total cost, and management.

Tuesday 25th of August 2026 · Rebecca Sloan

Eaton UPS Maintenance Service: A Cost-Controller's FAQ

A procurement manager answers FAQ on Eaton UPS maintenance service, Eaton Blade UPS, GoPro Hero 9 battery charger, HVAC fuse, and generator interlock vs transfer switch.

Monday 24th of August 2026 · Rebecca Sloan

Eaton UPS: 93PM, 5S, or Temporary Generator? A Field Guide for Real Decisions

Choosing an Eaton UPS isn't about picking the biggest catalog number. This scenario-based guide helps you decide between the Eaton 5S UPS and the Eaton UPS 93PM, covers temporary power with a three phase portable generator, and shows how to test power supply with multimeter.

Monday 24th of August 2026 · Rebecca Sloan

APC vs Eaton UPS: A Procurement Manager's Cost-Focused Comparison for 2025

APC vs Eaton UPS from a procurement perspective: compare total cost, efficiency, software, and service. Includes Eaton Powerware heritage, APC generator transfer switch, and battery charging considerations.

Friday 21st of August 2026 · Rebecca Sloan

How a Bad Capacitor in an Eaton UPS Data Center Taught Me to Test Everything

A field maintenance story about a data center's Eaton 93PM UPS, checking capacitor with multimeter, and a generator that wouldn't stay running. Includes oil filter bypass valve checks and how to bypass fuel pump relay safely.

Friday 21st of August 2026 · Rebecca Sloan

Why Your UPS Keeps Failing: What 200+ Emergency Calls Taught Me

An emergency power specialist who has coordinated 200+ rush orders explains why UPS batteries fail at the worst moments, what cheap 3-phase UPS systems actually cost, and the battery management mistakes that lead to 2 AM emergency calls.

Thursday 20th of August 2026 · Rebecca Sloan

The Pre-Power Checklist: What I Verify Before Accepting an Eaton UPS, Bypass Switch, or Relay Circuit

A quality inspector's six-step checklist for Eaton UPS systems, 9130 price verification, bypass switch inspection, DC marine generator testing, and relay checks with a multimeter.

Thursday 20th of August 2026 · Rebecca Sloan

Why the Cheapest Eaton UPS Quote Is Usually the Most Expensive

A procurement manager breaks down why Eaton UPS systems win on total cost of ownership, not price per unit—and why the Eaton UPS fault codes list is a hidden maintenance money-saver.