Cummins OTEC225 Automatic Transfer Switch
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At a glance
- Amperage
- 225 A
- Poles
- 3-pole
- Voltage
- 120/208V
- Phase
- 3-Phase, 60 Hz
- Service Entrance Rated
- No (non-service rated)
- Enclosure
- NEMA 1 (indoor)
- Dimensions
- 35.5" H x 26" W x 16" D
- Weight
- 225 lbs
- Control
- PowerCommand 40-11 microprocessor control, LCD display
- Listing
- UL 1008 Listed
- Warranty
- 1-Year Cummins Limited Warranty
Not sure if this fits?
Why this generator
- 225-amp, 3-pole automatic transfer switch rated for 120/208V 3-phase service at 60 Hz
- UL 1008 listed switching mechanism with UL-listed CU-AL terminals for code-compliant standby power transfer
- PowerCommand 40-11 microprocessor control with backlit LCD display, voltage imbalance sensing, and phase rotation protection
- NEMA 1 enclosure designed for indoor installation in commercial and light-industrial applications
- Compact footprint (35.5 x 26 x 16 in) and automatic utility-to-generator transfer with return-to-normal logic
- Backed by a 1-year Cummins limited warranty
Everything you need to know
Cummins OTEC225 — 225 Amp automatic transfer switch with LCD display, open transition, and configurable exerciser scheduler. Choose voltage, phase, enclosure, and service-entrance rating below.
- 225A, 3-Pole
- NEMA 1 (indoor) or NEMA 3R (outdoor) enclosure
- 208V/3Ph, 480V/3Ph, or 240V/1Ph (SE-Rated)
- Open transition, LCD display, configurable exerciser
Factory-authorized Cummins dealer MAP pricing. Ships via calculated freight — shipping shown at checkout (heavy/hazmat item).
Frequently asked questions
Is this a genuine OEM part?+
Yes — sold and shipped as a genuine Cummins part from a factory-authorized dealer.
Will it fit my unit?+
Check your model and year — message us with that info and we'll confirm fit before you order.
How fast does it ship?+
Low cost ground shipping — calculated at checkout (batteries, transfer switches and oversized items). Most leave the warehouse in 2–4 business days.
What's the return policy?+
30-day returns on unused parts and accessories in original packaging.
Fast nationwide shipping
Low cost ground shipping — calculated at checkout. Typically ships in less than 2 weeks.
Install help, no upsell
We size, spec, and connect you with a vetted local installer — or talk your contractor through it for free.
Genuine Cummins part
Sold and shipped as a genuine Cummins OEM part from a factory-authorized dealer. 30-day returns on unused parts in original packaging.