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
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?+
Shipping is 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
Shipping calculated at checkout. Most items leave the warehouse in 2–4 business days.
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.