3-Pole Circuit Breakers
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New & Recertified 3 Pole Circuit Breakers — In Stock and Ready to Ship
Key Takeaways
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Essential Electric Supply stocks new and recertified 3 pole circuit breakers from top brands including Siemens, Eaton, Square D, GE, and ABB.
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3 pole circuit breakers are designed specifically to protect three-phase electrical systems used in industrial motors, HVAC systems, and heavy manufacturing equipment.
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All recertified 3 pole breakers are tested to OEM specifications and backed by a two-year warranty for reliable performance.
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In-stock orders placed before 1:30 PM PT qualify for same-day shipping, with expedited emergency delivery available for urgent situations.
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Essential Electric Supply supports fast replacements and retrofit projects with a large inventory, multiple North American shipping points, and 24-hour emergency support.
Essential Electric Supply stocks new and recertified 3 pole circuit breakers ready to ship the same day you order. Whether you’re replacing a failed breaker on an active production floor or sourcing for a planned installation, we carry the inventory and the support to get you what you need fast.
A 3 pole circuit breaker is a protection device designed to control and protect three-phase electrical systems. These breakers work by automatically switching off power when an overload or short circuit is detected, isolating all three phases simultaneously. Three-phase power is the standard for industrial motors, large commercial HVAC systems, and heavy manufacturing equipment, making 3 pole breakers the correct choice wherever that power configuration is in use. This is the key technical distinction from 1 pole and 2 pole breakers, which are designed for single-phase circuits.
We carry new and recertified 3 pole circuit breakers from the industry’s most trusted brands across our 60,000-product inventory, including Siemens, Eaton, Square D, Schneider Electric, Cutler-Hammer, GE, and ABB.
Every order ships with:
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Same-day shipping on in-stock orders placed before 1:30 PM PT
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24-hour emergency support line for urgent needs
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Two-year warranty on all recertified units
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30-day return policy on all orders
Shop Our 3 Pole Circuit Breakers
We stock new and recertified 3 pole circuit breakers from the industry’s most trusted names, all in one place and ready to ship:
Brands: Siemens, Eaton, Square D, Schneider Electric, Cutler-Hammer, GE, ABB
Our inventory covers a wide range of amperage ratings suited to three-phase industrial and commercial applications: from smaller commercial panel configurations up through high-demand industrial loads. Whether you’re sourcing a standard replacement or a specific frame size for a tight retrofit, we have the stock to match.
Every recertified 3 pole breaker is tested to OEM specifications before it ships, and is backed by our two-year warranty. With same-day shipping on in-stock orders placed by 1:30 PM PT, multiple ship points across North America, and 24-hour emergency support, we’re ready when the job can’t wait.
For urgent orders or large-volume requests, call our 24-hour support line or submit a quote request today.
Frequently Asked Questions
Do you offer same-day shipping on 3 pole circuit breakers?
Yes. Orders placed by 1:30 PM PT on in-stock units ship the same day via UPS. Free UPS Ground shipping is available on orders over $250 within the continental United States, and expedited after-hours air delivery is available for time-critical situations. With multiple shipping points across North America, most customers receive their parts quickly regardless of location.
Are your recertified 3 pole circuit breakers tested before shipping?
Yes. Every recertified 3 pole circuit breaker is tested to OEM specifications before leaving our warehouse. Recertified units ship with our two-year warranty, the same coverage applied to new stock, and all orders are backed by our 30-day return policy.
What brands of 3 pole circuit breakers do you stock?
We stock 3 pole circuit breakers from Siemens, Eaton, Square D, Schneider Electric, Cutler-Hammer, GE, and ABB. Our inventory includes both new and recertified units across a range of frame sizes and amperage ratings. If you’re sourcing by panel compatibility or specific catalog number, contact our team, and we’ll locate the right unit fast.
What is the difference between a 1 pole, 2 pole, and 3 pole circuit breaker?
A 1 pole breaker protects a single 120V circuit. A 2 pole breaker protects 240V double-phase circuits commonly used in large residential appliances. A 3 pole breaker protects three-phase circuits used in industrial motors, large commercial HVAC systems, and heavy manufacturing equipment. The pole count must match the phase configuration of the system being protected.
