UL 924UL 1778NEMA 3R Made in USA

Harsh Environment UPS

Single Phase, 2.1 – 17kW

Emergency lighting inverter built for industrial conditions. Conformal coated electronics, filtered ventilation, and NEMA 3R steel enclosure withstand tough environments while maintaining UL924 compliance.

Responds within 2 business hours

Harsh Environment UPS by Online Power
UL 924UL 1778NEMA 3R

Documents & Downloads

Data sheets, specs, drawings.

Every specification — voltage, runtime, dimensions, wiring — lives in the data sheet. Instant download on most; submittal and CAD packages delivered after a brief registration.

Documents & Downloads

Overview

Key Features

NEMA 3R Steel Enclosure
Conformal Coated Electronics
Filtered Ventilation
Industrial Grade Construction
Pure Sine Wave Output
Zero Transfer Time

Need Help With Harsh Environment UPS?

Register for training, request a quote, or call our engineering team.

AB Bot
Online Power Engineering Assistant
// AB Bot · Powered by AI · Available 24/7 · Real engineers at (800) 227-8899

// Before we start

Hi, I'm AB Bot. To give you the best help, please share your name and email so our engineering team can follow up.

Your info goes directly to our engineering team.

You have reached the AB Bot session limit. Please call us directly at (800) 227-8899 or email sales@onlinepower.com for continued assistance.