APC / Schneider · Easy UPS 3S
APC / Schneider Easy UPS 3S three-phase UPS
The APC Easy UPS 3S is a compact three-phase UPS with internal batteries rated 10 to 40 kVA (208 V and 400 V models).
APC Easy UPS 3S: key facts
Schneider Electric lists the Easy UPS 3S as current in Canada, for example the 20 kVA 208 V model E3SUPS20KFBS.
- TypeCompact three-phase UPS with internal batteries
- Power range10 to 40 kVA (208 V and 400 V models)
- North American voltages208 V
- StatusCurrent
- Service in CanadaPreventive maintenance, battery replacement and emergency repair, including discontinued units. 1 (438) 881-3363
- Supplythe E3SUPS20KFBS listing, quoted here with installation
Sources, checked October 3, 2026: Schneider Electric Canada, Easy UPS 3S 20 kVA 208 V (E3SUPS20KFBS).
How a three phase double conversion UPS carries the load, and where the bypass sits.
Easy UPS 3S models
The orderable configurations we supply and service:
| Model | Rating | Phase / Voltage | Part number | Status |
|---|---|---|---|---|
| Easy UPS 3S 10 kVA 208V (floor-standing) | 10 kW | 3ph in / 3ph out 208/220V | E3SUPS10KFBS | Current |
| Easy UPS 3S 20 kVA 208V (tower) | 20 kW | 3ph in / 3ph out 208/220V | E3SUPS20KFBS | Current |
| Easy UPS 3S 30 kVA 208V (tower) | 30 kW | 3ph in / 3ph out 208/220V | E3SUPS30KFBS | Current |
| Easy UPS 3S 40 kVA 208V (tower) | 40 kW | 3ph in / 3ph out 208/220V | E3SUPS40KFBS | Current |
| Easy UPS 3S 10 kVA 400V (internal batt) | 10 kW | 3ph+N in / 3ph+N out 400V | E3SUPS10KHB | Current |
| Easy UPS 3S 15 kVA 400V | 15 kW | 3ph+N in / 3ph+N out 400V | E3SUPS15KHB | Current |
| Easy UPS 3S 20 kVA 400V | 20 kW | 3ph+N in / 3ph+N out 400V | E3SUPS20KHB | Current |
| Easy UPS 3S 30 kVA 400V | 30 kW | 3ph+N in / 3ph+N out 400V | E3SUPS30KHB | Current |
| Easy UPS 3S 40 kVA 400V | 40 kW | 3ph+N in / 3ph+N out 400V | E3SUPS40KHB | Current |
Specifications
Batteries and battery cabinets for the APC Easy UPS 3S
Battery strings and cabinets depend on the configuration and runtime. For a replacement string, see batteries for APC / Schneider UPS systems.
APC Easy UPS 3S service in Canada
We service the APC Easy UPS 3S 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.
- Phone: 1 (438) 881-3363
- Email: info@threephaseups.ca
- Coverage: across Canada, in English and French
Scheduled visits, battery work and fault response for these systems are covered by APC / Schneider UPS maintenance and repair in Canada.
Sizing, redundancy and custom builds
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 Easy UPS 3S is one option we weigh on its merits, not the only answer.
Common questions
What is the APC Easy UPS 3S?
The APC Easy UPS 3S is a compact three-phase UPS with internal batteries rated 10 to 40 kVA (208 V and 400 V models).
Is the APC Easy UPS 3S discontinued?
No. Schneider Electric lists the Easy UPS 3S as current in Canada, for example the 20 kVA 208 V model E3SUPS20KFBS.
Who services the APC Easy UPS 3S in Canada?
A Canadian UPS service and supply provider, in business since 2012, services the APC Easy UPS 3S across Canada: preventive maintenance, battery replacement and emergency repair, including discontinued units. Call 1 (438) 881-3363 or email info@threephaseups.ca.
Request a quote: APC / Schneider Easy UPS 3S
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.