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Blue Sea Systems 7157 Short Stop DC Circuit Breaker 50 Amp Push Reset

Manufacturer

Blue Sea Systems

<p>When electrical reliability can mean the difference between a successful voyage and a dangerous situation, marine professionals and enthusiasts turn to Blue Sea Systems. Founded in 1992, this American manufacturer has built a reputation for creating electrical components specifically engineered to withstand the unforgiving marine environment. Every product reflects a commitment to safety standards and real-world performance that has made Blue Sea Systems a leading name in marine and specialty vehicle electrical systems.</p> <h3>Engineering for the Marine Environment</h3> <p>Blue Sea Systems develops and manufactures dependable AC and DC electrical products for marine and specialized vehicle applications, designed in the USA and engineered to excel in challenging environments. The marine environment presents unique challenges—salt spray, constant vibration, temperature extremes, and moisture exposure—that can quickly degrade inferior electrical components. Blue Sea Systems addresses these challenges through careful material selection, rigorous testing protocols, and designs that prioritize both safety and serviceability. Their components are engineered for marine use and align with the intent of ABYC E-11: AC and DC Electrical Systems on Boats and relevant USCG electrical regulations.</p> <h3>Commitment to Safety Standards</h3> <p>Safety standards aren't just guidelines for Blue Sea Systems—they're fundamental to every product design. All Blue Sea Systems marine battery disconnect switches comply with the ABYC C-7 certification, demonstrating their commitment to meeting and exceeding industry safety requirements. The company maintains ABYC-certified employees across multiple departments, from engineering to technical support, ensuring deep expertise in marine electrical system design and installation standards.</p> <h3>Comprehensive Product Range</h3> <p>Blue Sea Systems offers an extensive catalog designed to address every aspect of marine electrical systems. Their <a href="/7262-blue-sea-systems-circuit-breakers-200260">circuit breakers</a> provide resettable overcurrent protection with trip-free designs and clear trip indication for quick diagnostics. For power management, their <a href="/7262-blue-sea-systems-battery-switches-manual-200149">battery switches</a> offer reliable methods for controlling battery banks and disconnecting loads during storage or emergencies, with ABYC C-7 compliance guaranteed.</p> <p>Monitoring system health is critical aboard any vessel, which is why their <a href="/7262-blue-sea-systems-battery-monitors-volt-meters-200146">battery monitors and volt meters</a> provide accurate real-time data to help operators make informed decisions about power usage and charging. The company's <a href="/7262-blue-sea-systems-terminal-blocks-bus-bars-201059">terminal blocks and bus bars</a> create organized, serviceable connection points that simplify installation and future modifications. For keeping batteries properly charged, Blue Sea Systems offers <a href="/7262-blue-sea-systems-battery-chargers-200141">battery chargers</a> engineered with features like automatic charging relay compatibility and proper charge profile management.</p> <h3>Built by Boaters, for Boaters</h3> <p>Blue Sea Systems was founded based on a commitment to create innovative high quality marine electrical products to improve the safety, simplicity, and reliability of boating, with employees who are active boaters applying their passion to designing, developing, and building products. This firsthand experience translates into practical features like modular layouts, standardized footprints, and installer-centric designs that streamline panel work and serviceability. The result is a product line that addresses real challenges faced on the water, backed by comprehensive technical documentation and support resources that help both professionals and DIY enthusiasts complete installations with confidence.</p>

Part Number

7157
06/01/2036 3:53 AM
Sale Price

$11.20

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Blue Sea Systems 7157 Short Stop Circuit Breaker provides reliable 50 amp overcurrent protection for DC electrical systems up to 28 volts. Designed for marine, RV, and automotive applications, this compact surface-mount breaker features push-to-reset-only operation that prevents accidental tripping while underway.

Key Features:

  • 50 amp DC rating with 28V maximum voltage
  • High interrupt capacity of 2,500A at 28VDC for superior protection
  • Corrosion-resistant construction for harsh marine environments
  • IP64-rated water-resistant red insulating boot included
  • Push-to-reset-only design prevents inadvertent reset
  • #10-32 threaded stud terminals with 24 in-lb torque specification
  • Wide operating temperature range: -10°C to 60°C (14°F to 140°F)

Technical Specifications:

  • Amperage Rating: 50A DC
  • Maximum Voltage: 28V DC
  • Interrupt Capacity: 2,500A @ 28VDC
  • Terminal Type: #10-32 threaded stud
  • Recommended Torque: 24 in-lb (2.71 Nm)
  • Protection Rating: IP64 (with boot installed)

The Short Stop series is ideal for protecting branch circuits, equipment, and wiring in boats, RVs, emergency vehicles, and off-road applications. The included red boot provides water resistance and insulation while allowing easy access for manual reset.

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Products specifications

Amperage

50 Amps DC

Mounting Hardware

Sold Separately

Type

Breakers

Warranty Details

Lifetime

Great price, awesome selection fair shipping pricing

I really liked the price and being able to use PayPal is a big help.I really wish the shipping was a little cheaper.Overall I would definitely buy from here again!Thanks PS I need this ASAP!!

easy to use

Fast and easy

Great price

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