Tripp Lite · SmartOnline S3M
The Tripp Lite (Eaton) SmartOnline S3M is an online double-conversion three-phase UPS rated 10 to 100 kVA, at 208 V, 480 V or 600 V.

Eaton presents the SmartOnline S3M as its new three-phase series under the Tripp Lite name. Its 480 V and 600 V systems pair the UPS with an input isolation transformer.
Sources, checked October 3, 2026: Eaton (Tripp Lite), 3-phase UPS solutions.
How a three phase double conversion UPS carries the load, and where the bypass sits.
The orderable configurations we supply and service:
| Model | Rating | Phase / Voltage | Part number | Status |
|---|---|---|---|---|
| Tripp Lite SmartOnline S3M 10kVA 208V (S3M10K) | 9 kW | 3ph in/out (3:3 Wye) 120/208V (208/220 Ph-Ph) | S3M10K1B/S3M10K2B/S3M10K3B/S3M10KNIB | Current |
| Tripp Lite SmartOnline S3M 15kVA 208V (S3M15K) | 13.5 kW | 3ph in/out (3:3 Wye) 120/208V (208/220 Ph-Ph) | S3M15K2B/S3M15K3B/S3M15KNIB | Current |
| Tripp Lite SmartOnline S3M 20kVA 208V (S3M20K) | 18 kW | 3ph in/out (3:3 Wye) 120/208V (208/220 Ph-Ph) | S3M20K3B/S3M20KNIB | Current |
| Tripp Lite SmartOnline S3M 25kVA 208V (S3M25K) | 22.5 kW | 3ph in/out (3:3 Wye) 120/208V (208/220 Ph-Ph) | S3M25K | Current |
| Tripp Lite SmartOnline S3M 30kVA 208V (S3M30K) | 27 kW | 3ph in/out (3:3 Wye) 120/208V (208/220 Ph-Ph) | S3M30K | Current |
| Tripp Lite SmartOnline S3M 50kVA 208V (S3M50K) | 45 kW | 3ph in/out (3:3 Wye) 120/208V (208/220 Ph-Ph) | S3M50K | Current |
| Tripp Lite SmartOnline S3M 60kVA 208V (S3M60K) | 54 kW | 3ph in/out (3:3 Wye) 120/208V (208/220 Ph-Ph) | S3M60K | Current |
| Tripp Lite SmartOnline S3M 80kVA 208V (S3M80K) | 72 kW | 3ph in/out (3:3 Wye) 120/208V (208/220 Ph-Ph) | S3M80K | Current |
| Tripp Lite SmartOnline S3M 100kVA 208V (S3M100K) | 90 kW | 3ph in/out (3:3 Wye) 120/208V (208/220 Ph-Ph) | S3M100K | Current |
Battery strings and cabinets depend on the configuration and runtime. When a string reaches end of life, replacement batteries for the Tripp Lite (Eaton) SmartOnline S3M are matched by cabinet and block type.
We service the Tripp Lite (Eaton) SmartOnline S3M across Canada: preventive maintenance, battery replacement and emergency repair, including units the manufacturer no longer supports. We are a Canadian UPS service and supply provider, working on three-phase systems since 2012.
Field service for this range is described under Tripp Lite three-phase UPS service.
We engineer the solution: load and growth analysis, redundancy (N, N+1, 2N), runtime and battery sizing, paralleling and switchgear, and custom configurations where the standard catalogue doesn't fit. Because we supply every major brand, the SmartOnline S3M is one option we weigh on its merits, not the only answer.
The Tripp Lite (Eaton) SmartOnline S3M is an online double-conversion three-phase UPS rated 10 to 100 kVA, at 208 V, 480 V or 600 V.
No. Eaton presents the SmartOnline S3M as its new three-phase series under the Tripp Lite name. Its 480 V and 600 V systems pair the UPS with an input isolation transformer.
A Canadian UPS service and supply provider, in business since 2012, services the Tripp Lite (Eaton) SmartOnline S3M across Canada: preventive maintenance, battery replacement and emergency repair, including discontinued units. Call 1 (438) 881-3363 or email info@threephaseups.ca.
Tell us the application and we reply within 4 business hours with the sizing, the right system, the installation and a written quote. Three-phase installs usually need a licensed electrician, so let us know if you have one.
Brand names are trademarks of their owners and are used only to identify the equipment we service. We are not the manufacturer and are not affiliated with it.