ESU is the Cutler Hammer Circuit Breakers supply company for San Diego Electricians

cutler hammer circuit breakerWe have everything from a single pole 15A 120/240V through 3 pole 3000Amp 600V in the Cutler Hammer line.

 Electrical Supplies Unlimited, known as ESU, is your trusted partner for top-quality electrical components in San Diego. With a steadfast commitment to excellence, we cater to the needs of electricians and electrical companies by providing a comprehensive range of electrical supplies, including the highly regarded Cutler Hammer Circuit Breakers. Our inventory is carefully curated to meet the demands of various electrical projects, ensuring that professionals have access to reliable components that ensure safety and performance. At ESU, we understand that the success of electrical projects depends on the quality of the supplies used. That's why we prioritize not only providing products like Cutler Hammer Circuit Breakers but also offering exceptional customer service to assist electricians in finding the right solutions for their specific needs. Whether you're working on residential, commercial, or industrial projects, ESU is your one-stop destination for superior electrical supplies that help you get the job done efficiently and safely. As an established player in the San Diego electrical supplies market, ESU takes pride in being a trusted source for electricians and electrical companies. Our extensive inventory includes a wide range of products, from circuit breakers and wiring devices to lighting solutions and more. Cutler Hammer Circuit Breakers, known for their reliability and performance, are just one example of the top-tier brands we carry. What sets us apart is our unwavering dedication to customer satisfaction. Our experienced team is well-equipped to assist you in selecting the right electrical supplies that align with your project requirements and budget. Whether you're in need of specific components, advice, or assistance in navigating the intricacies of electrical systems, ESU is your go-to partner for excellence in both products and service. Explore our vast selection today and experience the ESU difference – where quality, expertise, and reliability come together to power your electrical projects to success.

Are you an electrician or a homeowner in need of reliable electrical supplies? Look no further than Electrical Supplies Unlimited (ESU). As a trusted provider, ESU offers a wide range of electrical products to meet your needs, including new, surplus, and recycled Cutler Hammer Circuit Breakers. Whether you're working on a residential or commercial project, ESU has you covered with a comprehensive selection of Cutler Hammer Circuit Breakers, ranging from single pole 15A 120/240V to 3 pole 3000Amp 600V options. With ESU's commitment to quality and reliability, you can trust that you're getting top-notch products at competitive prices. Visit ESU today to find the perfect Cutler Hammer Circuit Breakers for your electrical projects.

When it comes to electrical supplies, trust the experts at Electrical Supplies Unlimited (ESU) to meet all your needs. ESU specializes in buying, selling, and stocking Cutler Hammer Circuit Breakers, offering a diverse range of options to suit every project requirement. Whether you're looking for single pole 15A 120/240V breakers or 3 pole 3000Amp 600V models, ESU has the inventory to fulfill your needs. With a focus on quality and customer satisfaction, ESU ensures that you get reliable Cutler Hammer Circuit Breakers at competitive prices. Don't compromise on safety and reliability—choose ESU for all your electrical supply needs and experience unparalleled service and product excellence.

The Cutler Hammer Story

Harry Henderson Cutler and Edward West Hammer incorporate the Cutler-Hammer Manufacturing Co. in 1893, specializing in electric starters, speed regulators and field rheostats. Developed first automatic motor starter patented by Cutler in 1900, laying the foundation for the modern motor control industry, and in 1901 the company designed the control equipment for the Panama Canal.    By the 1930s, engineers at Cutler-Hammer had obtained 28 patents for the use of vacuum tubes to control heavy currents. Cutler-Hammer became part of Eaton Corporation in 1978 bringing over $500 million in sales of a complete portfolio of power control and switching devices





ESU will purchase your excess electrical inventory including Cutler Hammer 50A breakers. We buy and sell most circuit breakers, transformers, new and used and fuses. 

Electrical Supplies Unlimited is your company's business source for testing, repairing, rebuilding or reconditioning electrical equipment. ESU maintains a wide variety of out of stock circuit breakers, relays, transformers, switches, relays, motor controls, and other electrical equipment.

Featured Breaker: Cutler Hammer 50A Industrial Circuit Breaker


Manufacturer: Cutler Hammer 

Industrial Circuit Breaker


600V max 250V c.d. Max

Cat. FD3050L

Suitable for use on

Single Phase AC circuits



We have been in the electrical supply business for over 30 years and offer fair prices for your excess electrical inventory. Call us today to find out more or request a quote here!