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Cole Hersee 3005540BP 40 Amp Circuit Breaker with Mounting Bracket

Manufacturer

Cole Hersee

<p>Cole Hersee has earned a reputation as a trusted manufacturer of electrical components for automotive, marine, and commercial vehicle applications. With decades of experience in the industry, the company specializes in producing reliable switches, solenoids, and electrical control devices that meet the demanding requirements of professional installers and vehicle enthusiasts alike.</p><h3>Electrical Expertise Across Multiple Applications</h3><p>Cole Hersee's engineering focus on electrical system components has made them a go-to source for mission-critical parts. Their product line spans everything from basic on-off switches to sophisticated electrical management solutions designed for harsh operating environments. The brand's commitment to quality manufacturing ensures that each component can withstand vibration, temperature extremes, and the rigors of daily use in demanding applications.</p><h3>Switches and Control Solutions</h3><p>Among Cole Hersee's most recognized products are their <a href="/7300-cole-hersee-ignition-switches-200571">ignition switches</a>, which provide reliable starting system control for a wide range of vehicles and equipment. These switches are engineered with precision contacts and durable housings that resist wear over thousands of cycles. Whether replacing a failed original equipment switch or upgrading an older system, Cole Hersee ignition switches deliver dependable performance that operators can count on.</p><h3>Solenoids and Heavy-Duty Components</h3><p>The company's <a href="/7300-cole-hersee-solenoids-200974">solenoids</a> serve critical functions in starter circuits, auxiliary power systems, and various electrical control applications. Cole Hersee solenoids feature robust construction with high-quality copper windings and corrosion-resistant terminals, making them suitable for both automotive and marine installations where reliability is non-negotiable.</p><h3>Lighting and Visibility Solutions</h3><p>Cole Hersee also manufactures specialized lighting components, including <a href="/7300-cole-hersee-roof-marker-light-10052">roof marker lights</a> that help improve vehicle visibility and meet DOT requirements for commercial trucks and trailers. These lighting products combine durable construction with efficient illumination, ensuring compliance and safety on the road.</p><h3>Why Professionals Choose Cole Hersee</h3><p>Mechanics, fleet managers, and vehicle builders appreciate Cole Hersee components for their consistent quality and broad compatibility across vehicle platforms. The brand's focus on electrical fundamentals—proper contact materials, secure terminals, and weather-resistant designs—means fewer callbacks and longer service life. For anyone maintaining or upgrading vehicle electrical systems, Cole Hersee offers proven solutions backed by extensive field testing and application engineering.</p>

Part Number

3005540BP
06/01/2036 8:11 AM
Sale Price

$16.69

In Stock (5)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Cole Hersee 3005540BP is a 40-amp thermal circuit breaker designed for marine, automotive, and powersports electrical systems. This versatile circuit breaker provides reliable overcurrent protection for 6, 12, and 24-volt DC applications.

Key Features:

  • 40-amp current rating for medium-duty electrical circuits
  • Integrated internal mounting bracket for secure installation
  • Compact dimensions: 2" × 25/32" × 1-3/8" overall size
  • Compatible with 6V, 12V, and 24V DC systems
  • Includes two #10-32 stud terminals with keps nuts for easy wiring
  • Manual reset design allows quick restoration after tripping
  • Blister pack packaging for retail display and protection

This thermal circuit breaker automatically disconnects power when current exceeds the rated amperage, protecting wiring and equipment from damage. The manual reset button allows you to restore power once the fault condition is corrected. Ideal for protecting accessory circuits, lighting systems, pumps, and other electrical loads in boats, RVs, trucks, and off-road vehicles.

Found exactly what I was looking for and for a good price. The checkout is nice and simple and easy to use. However, when I sent them an email before my order shipped saying that I need to have one item removed from the order, I never got an answer and my

Very easy

Easy shopping

Best price for a superior product and no gimmickry or BS about the product.

Fast shipping, good communication, and cheap prices means I'm going to buy more in the future.

Great parts selection and customer service. Little slow shipping

Nice Store. Best price on the product I was looking for. Received my item within a week. But online order status wasn't updated until the day I received the item. I was ready to call the store to find out if something is wrong with my order. This part could be improved. Otherwise I'm happy and definitely be back in the future.

Quick and very easy!!!!!!!

For this being my fist time using your site. I thought it was a smooth site to shop and find my products and than place my order. I also liked the price.

Ordered a hard to find in Lagos fuel sender for my 1998 Benz c280 and i had it delivered on time for delayed reapirs. Order #6886

Easy to use.

This is definitely a great company I had questions about my order and it will prompt you get right back to me. I'm extremely pleased with the purchase that I have made through this company

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