Cummins · Automatic Transfer Switch
Cummins OTEC125 Automatic Transfer Switch
$2,666MAP price
As low as $223/mo · 0% APR · 12 months
Free shipping · ships in 3–5 days
Variant
Installed in NC or SC?
Pro install available in NC & SC · quote-based
5-yr
warranty
warranty
Authorized
dealer
dealer
Expert
support
support
Whole-home
200A service ATS
Quiet
65 dB(A) at 23 ft
Cloud Connect
Remote monitoring
Overview
Everything you need to know
Built by Cummins · Sold by Total Generator Pros
Cummins OTEC125 — 125 Amp automatic transfer switch with LCD display, open transition, and configurable exerciser scheduler. Choose voltage, phase, and enclosure rating below.
- 125A, 3-Pole
- NEMA 1 (indoor) or NEMA 3R (outdoor) enclosure
- 208V or 480V, 3-Phase
- Open transition
- LCD display + configurable exerciser
- Non Service Entrance Rated
Factory-authorized Cummins dealer MAP pricing. Free shipping to the contiguous US.
Free curbside shipping
Liftgate delivery to the lower 48. Most orders leave the warehouse in 3–5 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.
Real Cummins warranty
Full 5-year / 2,000-hour limited warranty — registered and supported through Cummins directly.
$2,666
From $223/mo