Cummins OTEC600 Automatic Transfer Switch
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At a glance
- Amperage
- 600A
- Poles
- 3-pole
- Voltage
- 120/240V
- Phase
- Single-phase, 60 Hz
- Service Entrance Rated
- No (Not Service Rated)
- Enclosure
- NEMA 1 (indoor)
- Dimensions
- 54.0"H x 25.5"W x 18.0"D
- Weight
- 335 lbs
- Control
- PowerCommand 40-11 microprocessor control with LCD display
- UL Listing
- UL 1008 Listed
- Warranty
- 1-Year Limited Warranty
Not sure if this fits?
Why this generator
- 600-amp open-transition automatic transfer switch for 120/240V single-phase standby power applications
- PowerCommand 40-11 microprocessor control with LCD digital display and tactile soft-switch navigation for easy operation
- Bi-directional linear motor actuator delivers friction-free, constant-force, straight-line transfer action with no complex gears or linkage
- Mechanical and electrical interlocks prevent source-to-source connection for safe utility-to-generator switching
- UL 1008 listed with NEMA 1 indoor enclosure, suited for emergency, legally required, and optional standby circuits
- Backed by a comprehensive Cummins 1-year limited warranty
Everything you need to know
Cummins OTEC600 — 600 Amp automatic transfer switch with LCD display, open transition, and configurable exerciser scheduler. Choose voltage, phase, and enclosure rating below.
- 600A, 3-Pole
- NEMA 1 (indoor) or NEMA 3R (outdoor) enclosure
- 240V/1Ph, 208V/3Ph, 240V/3Ph, or 480V/3Ph
- Open transition, LCD display, configurable exerciser
- Non Service Entrance Rated
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.