Cummins OTEC 600 NSE (A075F144): Specs & Datasheet
MPN: OTEC 600 NSE (A075F144)The Cummins OTEC 600 NSE is a 600-amp, 3-phase automatic transfer switch for commercial, industrial, and mission-critical standby systems. It is one of the most-searched large-frame ATS models on our site (“cummins otec600 600a 3ph-277/480v”). Below are the published specifications for the 480V 3-phase configuration (A075F144) that we stock.
Specifications
| Part number (MPN) | A075F144 |
|---|---|
| Rated amperage | 600 A |
| Voltage rating | 480V AC (277/480V) |
| Phase configuration | Three phase (3Ph) |
| Frequency | 60 Hz |
| Poles | 3-pole |
| Transition type | Open transition (programmed) |
| Service rating | Non-Service Entrance (NSE) |
| Enclosure | NEMA 3R, corrosion-resistant steel |
| Control system | PowerCommand 40-11 microprocessor, LCD digital display |
| Max generator / utility input | 600 A / 600 A |
| Product weight | 275 lbs |
| Width | 27-1/2 in |
| Height | 16-1/2 in |
| Certifications | UL 1008 listed; UL & CSA certified; NEC/IEEE compliant |
Compatible With / Used In
- Cummins OTEC-series commercial generator systems — approved integration with PowerCommand control
- Commercial / industrial / mission-critical facilities — 600 A frame for large standby loads
- Indoor or outdoor installations — NEMA 3R corrosion-resistant enclosure
Datasheet Availability
Cummins OTEC specification document S-1639 (rev. C 10, PDF) covers this frame size. We provide it with your quote — call (502) 790-0600. Manufacturer resources: cummins.com/generators.
View the OTEC 600 NSE (A075F144) product page →
Frequently Asked Questions
What are the specs of the Cummins OTEC600 600A 3ph 277/480V?
The OTEC 600 NSE (A075F144) is rated 600 A at 480V AC (277/480V), 3-phase 60 Hz, 3-pole, programmed open transition, PowerCommand 40-11 control, NEMA 3R steel enclosure, 275 lbs, UL 1008 listed.
Is the Cummins OTEC600 available in single phase 120/240V?
Yes — we stock OTEC 600 NSE configurations in 240V 1-phase as well as 208V and 480V 3-phase. Call (502) 790-0600 for the exact configuration and pricing.
How much does the Cummins OTEC 600 weigh?
275 lbs for the 480V 3-phase NSE configuration, in a 27-1/2 in wide × 16-1/2 in high NEMA 3R enclosure.
Is the Cummins OTEC 600 in stock?
Yes — Portlandia Electric Supply lists OTEC 600 configurations as available. Contact us for lead time and 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.
