Circuit Breakers

Here at JDM Supply we supply circuit breakers of all the major brands.
Along with circuit breakers, we provide fuses, switches, bus plugs and motor control.

Circuit Breakers: Power, Protection, and the JDM Supply Commitment

When power matters most—whether it’s in your facility, on your jobsite, or across your operation—circuit breakers are not optional. They’re essential. These components are the quiet guardians of your electrical system, stopping surges in their tracks and keeping your people, equipment, and production line safe from costly outages and hazards. And here at JDM Supply, we know how critical circuit breakers are to everything you do. That’s why we carry them all—the leading brands, the hard-to-find models, the emergency replacements you need today, not next week.

You’re not just buying a part. You’re buying confidence. You’re choosing a team that makes your problem our mission. Our customers return time and again because they know we don’t stop at the sale. We stay in it with you until your equipment’s running, your line is live, and your team is safe. That’s what it means to go the extra mile—and it’s exactly what we do, every day.

The Role of Circuit Breakers in Modern Electrical Systems

You can think of circuit breakers as the first responders of your electrical system. The second a fault occurs—whether it’s an overload, a short circuit, or a ground fault—these devices react instantly to disconnect power and prevent damage or fire. But not all breakers are built the same, and not all suppliers are equally equipped to help you find the right one.

That’s where JDM Supply stands out. We’re not just a warehouse with inventory; we’re a strategic partner who understands the difference between a miniature breaker for residential applications and a molded case breaker for an industrial panel. Whether you’re dealing with Siemens, Square D, GE, Eaton, ABB, Cutler-Hammer, or another OEM—we’ve got you covered. And if you’re not sure what breaker fits your system? That’s no problem. We’ll help you cross-reference and source the correct part with speed and precision.

Why It Matters to Choose the Right Circuit Breakers

Electrical protection isn’t a guessing game. Selecting the wrong circuit breaker can lead to nuisance tripping, overheating, or catastrophic failure. The right breaker, matched with your voltage, amperage, and fault current needs, ensures operational continuity and peace of mind.

You may be installing a new panelboard, maintaining an aging facility, or dealing with a retrofit. Regardless, the safety of your infrastructure starts with having the right gear in the right place. And at JDM Supply, that’s our specialty—equipping you with circuit breakers that match your specs and meet your timeline.

According to the U.S. Consumer Product Safety Commission, electrical systems that lack proper protective devices are a leading cause of fire hazards in commercial and industrial environments. That’s a statistic we take seriously. When you shop with us, you’re not just preventing downtime. You’re preventing disaster.

Supplying Circuit Breakers from All the Major Brands

If your facility runs on it, chances are we stock it. We carry circuit breakers from trusted names including:

• Siemens – Known for robust performance in both residential and industrial sectors
• Square D by Schneider Electric – A legacy brand with widespread compatibility
• Eaton/Cutler-Hammer – Engineered for reliability and advanced system integration
• GE – Durable breakers built for demanding power applications
• ABB – Technologically advanced and globally recognized

Can’t find the breaker you need? Let us track it down. Whether it’s new, refurbished, or obsolete, we specialize in solving those urgent sourcing problems that slow your operations. We also stock rare models, discontinued units, and OEM-specific replacements. This is where our service mindset shines. We’re not satisfied until your issue is solved.

Beyond Circuit Breakers: More Electrical Control and Safety Components

When you trust JDM Supply, you get more than circuit breakers—you gain access to a wide range of other essential power distribution components, including:

• Fuses – Fast-acting and time-delay fuses for high-current protection
• Switches – Safety switches, disconnects, and transfer switches
• Bus Plugs – Plug-in units for busway systems, ideal for flexible facility layouts
• Motor Control – Starters, contactors, overloads, and VFDs for industrial automation

Each of these components plays a role in protecting your people and your productivity. From replacing a blown fuse to upgrading your MCC, our team makes sure your system stays compliant, efficient, and protected.

Why Customers Choose JDM Supply for Circuit Breakers

You’re not just another order number in our system. When you work with JDM Supply, you get fast quotes, real-time communication, and expert advice rooted in decades of electrical knowledge. We treat every order like it matters—because it does.

Here’s what sets us apart:

✅ Deep Inventory Access – From today’s top sellers to legacy models, we source and ship quickly
✅ Expert Matching & Sourcing – Not sure what breaker you need? We’ll figure it out
✅ Lightning-Fast Fulfillment – We ship nationwide with efficiency and care
✅ Top-Tier Brands – We only carry proven names trusted in the field
✅ Customer-Centric Service – Your problem is our problem. Period.

We believe in doing things the right way. That means getting you the right product, at the right price, and standing behind it with industry-best service.

Understanding the Types of Circuit Breakers

With countless configurations on the market, it’s important to know the difference between the most common circuit breaker types:

• Miniature Circuit Breakers (MCBs) – Compact, used in low-voltage applications such as homes and offices
• Molded Case Circuit Breakers (MCCBs) – Offer higher amperage ratings and trip customization for industrial use
• Ground Fault Circuit Interrupters (GFCIs) – Protect against electrical shock in moisture-prone environments
• Arc Fault Circuit Interrupters (AFCIs) – Detect dangerous arcing conditions and shut down before fire starts
• Air Circuit Breakers (ACBs) – High-voltage protection in heavy industrial and utility applications
• Vacuum and SF6 Circuit Breakers – Used in large-scale facilities and substations for precise power control

If you’re unsure what type fits your application, we’ll walk you through it. We’ve helped everyone from facility managers to contractors, electricians, and engineers get what they need—and fast.

Regulatory Compliance and Safety Standards

All circuit breakers sold through JDM Supply meet or exceed the standards set by UL, NEMA, and ANSI. These benchmarks are critical to keeping your facility safe, code-compliant, and insurable. We stay current with the latest safety requirements and supply breakers that support your inspection and commissioning needs.

Shipping Circuit Breakers Nationwide—Fast

Whether you’re in Phoenix or Philadelphia, JDM Supply gets you what you need, when you need it. We understand that every minute of downtime costs you money. That’s why we prioritize fast, secure shipping nationwide—from our home base in Phoenix, AZ to every jobsite, warehouse, and plant across the U.S.

Our team tracks every shipment with precision and communicates proactively. You won’t be left guessing when your order ships or arrives. And if you need overnight delivery or expedited fulfillment? Just say the word. We’re built to move fast because you can’t afford to slow down.

Your Trusted Partner in Power Protection

When it comes to circuit breakers, there’s no substitute for reliability—and there’s no better partner than JDM Supply. We combine product expertise, elite service, and lightning-fast fulfillment to make sure your facility stays up and running, safely and efficiently.

We’re proud to serve Phoenix, AZ and the surrounding areas, and we ship nationwide with a level of care you can count on. Whether you need one breaker or 1,000, we’re ready to deliver the solution that keeps your systems powered and your business protected.

Choose JDM Supply—because every circuit matters.

Let’s solve your power problems—together. Call now or request a quote today.

JDM Supply

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Free Delivery in the Phoenix Metroplex

Free Ground Shipping on Orders of $50.00 or more

1815 West 1st Ave #139
Mesa, AZ 85202

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