Cummins OTEC 225 NSE (A075F135): Specs & Datasheet
MPN: OTEC 225 NSE (A075F135)The Cummins OTEC 225 NSE (A075F135) is a 225 A, 208V 3-phase automatic transfer switch for medium-scale commercial and industrial standby power. Searches for “cummins otec 225 225a 3ph-120/208v” land here — published specs below.
Specifications
| Manufacturer | Cummins |
|---|---|
| MPN | A075F135 (OTEC 225 NSE family) |
| Amperage | 225 A |
| Voltage | 208 V |
| Phase | Three-phase |
| Service rating | Non-Service Entrance (NSE) |
| Transfer type | Automatic |
| Enclosure | NEMA 3R |
| Application | Commercial & industrial applications |
| Compatibility | Cummins backup generators |
| Compliance | UL listed |
Compatible With / Used In
- Cummins commercial backup generator sets — compact integration for automatic utility-to-generator transfer
- Medium-scale commercial and industrial services — 225 A 3-phase capacity
- Installations downstream of the main disconnect — NSE configuration, flexible placement
- Indoor or outdoor mounting — NEMA 3R enclosure
Datasheet Availability
The Cummins OTEC series specification documentation covers this switch family. We supply it with every quote — call (502) 790-0600. Manufacturer resources: cummins.com/generators.
View the OTEC 225 NSE (A075F135) product page →Get a quote →
Browse more: Automatic Transfer Switches collection →
Frequently Asked Questions
What are the specs of the Cummins OTEC 225 225A 3ph 120/208V?
The OTEC 225 NSE (A075F135) is rated 225 A, 208 V three-phase, automatic transfer, Non-Service Entrance, NEMA 3R enclosure, UL listed, designed for Cummins backup generators.
What does NSE mean on the Cummins OTEC 225?
Non-Service Entrance — the switch installs downstream of the main service disconnect, so no service-entrance certification is required.
Is the OTEC 225 available in other voltages?
We stock OTEC 225 configurations including 208V and 480V 3-phase — call (502) 790-0600 to confirm the exact A075F variant for your service.
Is the Cummins OTEC 225 in stock?
Yes — in stock at Portlandia Electric Supply. Call (502) 790-0600 for pricing.
Specifications sourced from the manufacturer listing data maintained by Portlandia Electric Supply. Where a value is not published, it is marked as such — we do not estimate specifications. Questions: call (502) 790-0600. Portlandia Electric Supply, Louisville, KY — 12+ US distribution hubs.