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
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?+
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.