Manufacturer
<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
$27.23
In Stock (10+)
Usually delivered within 2 days
Add To Cart
Check out with
No Hassle Returns
Live-in-stock inventory
Fitment guaranteed
The Blue Sea Systems 4131 Lockout Slide is a safety interlock device designed to prevent simultaneous operation of multiple AC power sources on marine and RV electrical systems. This mechanical lockout ensures that only one of a pair of circuit breakers can be activated at a time, preventing dangerous backfeeding situations.
Key Features:
This lockout slide is an essential safety component for boats and RVs with multiple AC power sources, ensuring proper electrical isolation and preventing potentially hazardous cross-connection of power supplies. The simple mechanical interlock design provides reliable protection without the need for complex electronics.
75 Amps
5 1/4" Width x 7 1/2" Length
4 to 6
Panel with Meters
120 Volts AC
Below Deck
Five Years
Easy to navigate website, great price will shop here again.
Charles Lewis
I purchased an extend-a-truck on autoplicity. It was the best price on the Internet. Autoplicity beat amazon by approximately $30. I received a confirmation it shipped the following day.
Byrd1114
sounds too inexpensive, but hey you only live once...
eric
Very satisfied with this company. Ordered the part from another company and had nothing but problems. We found this place and the part was cheaper and they delivered the right part! Will do busy with again.
cbhannah
Fast shopping experience
Blythe Ornoski
same part Firestone quoted me190 for....this was a huge savings.
Kelly Pollack
Good prices, free shipping, easy to order, I like this place!
Adam Daley
Autoplicity is awsome!! lowest prices.. fast shipping great customer service.. this is hard to find in todays world!!
97jdmgsrhatch
Best price for Rancho Shocks anywhere on the net! Ordered by phone and CSR gave me a better deal on shipping then the automated on site calculator.
muddyhill
Good experience would definitely buy from again
chad
Fun enjoyable easy and quick shipping
audra
Extremely satisfied with my transaction with Autoplicity. Item was shipped out almost immediately after I paid. Customer support responded very quickly and answered all of my questions in a very professional manner. Will definitely be shopping here in the future.
mkst
Fast shipping great prices you can't go wrong with these guys
Bncsparks
Add your review
Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy