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WirthCo 31115 30 Amp Circuit Breaker Stud Mount Auto Reset

Manufacturer

WirthCo

<h3>About WirthCo Engineering</h3><p>For nearly four decades, <strong>WirthCo Engineering, Inc.</strong> has built a reputation as one of the automotive aftermarket's most innovative manufacturers. Headquartered in Minneapolis, Minnesota, WirthCo designs and markets a wide range of automotive accessories, industrial safety products, and maintenance solutions — engineered to make life easier and safer whether you're on the road, at the worksite, in the campground, or out on the water.</p><p>What sets WirthCo apart is its commitment to original innovation. The company holds over 36 patents across its product line, and it manufactures or directly sources approximately 75% of its own catalog — a level of vertical control that translates into consistent quality and purpose-built design. That engineering-first philosophy is evident in every product category the company touches.</p><h3>Battery Doctor® – A Trusted Name in Battery Care</h3><p>WirthCo's most recognized brand identity is <strong>Battery Doctor®</strong>, a comprehensive line of battery management accessories. From <a href="/1894-wirthco-battery-chargers-200141">battery chargers</a> and battery maintainers to disconnect switches, isolators, monitors, and testers, Battery Doctor® products are designed to extend battery life and protect electrical systems in cars, trucks, RVs, boats, and more. Whether you're maintaining a daily driver or storing a seasonal vehicle, these tools help ensure reliable starts and healthy charging cycles.</p><p>WirthCo also carries a complete range of <a href="/1894-wirthco-vehicle-battery-2476">vehicle batteries</a> suited for a variety of automotive applications, rounding out a one-stop solution for battery-related needs.</p><h3>Fluid Handling – Drain Pans and Funnels</h3><p>Fluid management is another area where WirthCo's practical engineering shines. The brand's <a href="/14675-drain-pan-wirthco-1894">drain pans</a> are a staple for DIY mechanics and professional shops alike — built to handle oil changes, coolant drains, and other fluid collection tasks cleanly and efficiently. Durable construction and thoughtful design details like pour spouts and carry handles make these pans genuinely useful in real-world garage conditions.</p><p>Complementing the drain pan lineup is WirthCo's selection of <a href="/1894-wirthco-multi-purpose-funnel-14561">multi-purpose funnels</a>. These aren't throwaway accessories — WirthCo's funnels are engineered for a range of fluids and vehicle types, with features that reduce spills and simplify fluid top-offs in tight engine bays.</p><h3>Visibility and Safety</h3><p>WirthCo's dedication to safety extends beyond the garage. The brand's <a href="/1894-wirthco-roof-marker-light-10052">roof marker lights</a> provide high-visibility signaling for trucks, vans, and commercial vehicles — a practical safety solution for fleet operators and working professionals who need reliable, regulation-compliant lighting on larger vehicles.</p><h3>Why Choose WirthCo?</h3><ul style="list-style:disc"><li><strong>36+ patents</strong> reflecting a genuine culture of innovation</li><li><strong>~75% proprietary manufacturing</strong> for consistent quality control</li><li>Products spanning automotive, marine, RV, industrial, and home use</li><li>Trusted Battery Doctor® brand with a full ecosystem of battery accessories</li><li>Decades of expertise in automotive aftermarket and safety products</li></ul><p>From the driveway to the jobsite, WirthCo Engineering continues to deliver practical, well-engineered products that professionals and enthusiasts rely on every day.</p>

Part Number

31115
09/12/2036 7:17 AM
Sale Price

$7.66

In Stock (5)

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Product Details

The WirthCo 31115 is a 30-amp circuit breaker designed to protect electrical circuits from damage caused by overload or short circuit conditions. This stud-mount circuit breaker features automatic reset functionality, eliminating the need for manual intervention after a trip event.

Key Features:

  • 30-amp current rating for medium-duty electrical protection
  • Automatic reset design restores power when fault condition clears
  • Stud mount configuration for secure installation
  • Complies with SAE Standard J553 for automotive and marine applications
  • Compact design suitable for tight mounting spaces

Ideal for automotive, marine, RV, and powersports applications where reliable overcurrent protection is essential. The auto-reset feature makes this circuit breaker particularly useful in applications where manual access may be difficult or where automatic restoration of power is desired once the fault clears.

Fast good prices

Very competitive pricing and non-ridiculous shipping prices. Sometime they don't have what I need in stock, or enough of what I need, but overall, very happy with their service.

Overall easy and reasonable.. More coupons would be nice:)

Best price I could find anywhere and it shipped right away!

Satisfied

Great selection

I was able to place the order very quickly. Also, you had the parts in stock, and every other supplier I contacted would have had to special order the parts from the manufacturer. Thank you.

Very nice website!

quick and easy ordering.

Simple and Cheap

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