Beyond The Big Brands: Regional Switchgear Manufacturers

Switchgear is the backbone of any electrical system, and at EMSCO, we understand the importance of having access to a comprehensive selection of high-quality switchgear components. Whether you need an entire switchgear line-up or specific circuit breakers with mounting hardware, EMSCO is your one-stop solution for all your switchgear requirements.

What sets EMSCO apart is not only our extensive inventory featuring major brands but also our dedication to stocking products from regional switchgear manufacturers. We take pride in ensuring that our customers have access to a diverse range of options for your industrial power distribution system. Our goal is simple: to cater to every customer's needs by offering a wide variety of vintages and brands, both major and minor.

When you choose EMSCO, you gain access to an unparalleled selection of switchgear components, including breakers, switches, and mounting hardware. Among the regional manufacturers whose products we carry are:

  • Peterson Electric Panel
  • American Midwest Power (AMP)
  • Electro-Mechanical Industries (EMI)
  • Kinney Electrical Manufacturing Co. Inc
  • Illinois Switchboard Corporation
  • Switchboard Apparatus

In addition to our extensive inventory, EMSCO boasts a team of seasoned professionals with over 100 years of combined sales experience. We understand that navigating the world of switchgear components can be daunting, which is why our knowledgeable staff is here to assist you every step of the way. Whether you're unsure about which products best suit your requirements or need expedited delivery, our team is dedicated to providing personalized service to ensure your satisfaction.

At EMSCO, we don't just sell switchgear components—we provide comprehensive solutions tailored to your specific needs. With our vast inventory, expertise, and commitment to customer service, you can trust EMSCO to be your partner in all your switchgear endeavors. Contact us today to experience the EMSCO difference firsthand.

Browse our selection of Low and Medium Voltage Switchgear

AC Pro / AC Pro II Trip Units

You're probably aware that EMSCO is a top provider of used, reconditioned, and surplus industrial electrical equipment. However, you might not know that beyond just being the largest supplier, we also can tailor our products to your exact needs. Let's discuss one aspect of this customization: trip units, specifically the AC Pro and AC Pro II trip units.

We integrate the AC Pro / Pro II trip unit into various brands of molded case circuit breakers, covering major names like GE, Square D, Eaton, Cutler-Hammer/Westinghouse, Siemens, and more. These trip units can be customized to match your requirements regarding amperage, voltage, and function (such as LSIG). An added perk of using AC Pro and AC Pro II trip units is that they enable us to add ground fault protection to many breakers that were originally not manufactured with this capability.

For you, the customer, this means added assurance that your breaker has undergone comprehensive testing with a new trip unit installed. Our efficient turnaround time ensures that installation and testing can be completed in just a few days.

The AC Pro and AC Pro II trip units are compatible with the following brands and styles:

  • GE, including Wave Pro, Power Break, and Power Break II breakers
  • Square D, including Master Pact, NX, SED/SEF breakers
  • Eaton Cutler-Hammer/ Westinghouse, including Magnum DS, PC, SPCB SCB, SPB breakers
  • Siemens, including SB, WL breakers

If you need a molded case circuit breaker or are considering adding a trip unit, feel free to reach out to our sales team at 1-800-328-1842! We're available Monday through Friday from 8 AM to 5 PM Central Time.

Completed Project: Square D I-Line Distribution Lineup

Before and after refurbishment, ready for shipment to our customer in Kentucky.

Square D I-Line Distribution Lineup:
🔹 2000A Main Breaker Section (LSIG)
🔹 1200A Distribution Breaker Section (LSI)
🔹 Surgelogic Surge Protective Device

Distribution Section:
🔹 2 x 400A Breakers
🔹 10 x 200A Breakers
🔹 1 x 60A Breaker

All used circuit breakers are load-tested with test reports.