
Online, 3-in/3-out, lead-acid or LiFePO4
Highidea 33ET Series — Three-Phase Online UPS (10–60 kVA)
The 33ET Series is a rack-mounted, three-phase-in/three-phase-out online UPS for 10–60 kVA critical loads. It delivers unity output power factor, 0 ms transfer, up to four-unit parallel operation, and supports either lead-acid or LiFePO4 battery systems.
Confirm host, battery, runtime and document scope for the exact configuration
Capacity
10/15/20/30/40/60 kVA (kW = kVA, PF 1.0); parallel up to 4
Topology
Online, three-phase in / three-phase out; pure sine
Chemistry
Supports lead-acid AND LiFePO4
Config
per 12 V lead-acid— 20 or 32–40 adjustable; max charge current 1–12/16/18 A adjustable; charge V ±13.65 VDC×N
Technical data
33ET Series (33ET10/15/20/30/40/60 KRS) specifications.
Compare the electrical, battery, monitoring, environmental and compliance data for this product family.
Selection guide
Is this the right model for you?
Quick pointers to confirm fit, or steer you to a sibling model.
- Choose the 33ET Series (33ET10/15/20/30/40/60 KRS) when its power range, format and operating role match your application.
- Provide capacity, input/output voltage, runtime, installation format and destination-market document requirements for final model selection.
Recommended for
Where the 33ET Series (33ET10/15/20/30/40/60 KRS) performs.


FAQ
Frequently asked questions
What should I provide to select the right 33ET Series (33ET10/15/20/30/40/60 KRS)?
Share the load in watts or VA, input and output voltage, required runtime, installation format, site conditions and destination market. Our team will match the product, battery and monitoring options to the application.
Can I request a datasheet for the 33ET Series (33ET10/15/20/30/40/60 KRS)?
Yes. Contact sales with the required rating and destination market to receive the applicable datasheet, manual and compliance-document list.
Start a project
Configure a 33ET Series (33ET10/15/20/30/40/60 KRS) for your site.
Tell us the load, voltage, runtime, site conditions and destination. Sales will confirm the host, battery and configuration-specific document scope.