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Blue Sea Systems 4155 WeatherDeck DPDT Toggle Switch ON-OFF-ON

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

4155
06/01/2036 9:12 AM
Sale Price

$25.13

In Stock (10+)

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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 Blue Sea Systems 4155 WeatherDeck Toggle Switch is a marine-grade DPDT (double pole, double throw) switch designed for changing circuit functions on WeatherDeck panels or for standalone installations. This three-position ON-OFF-ON switch is ideal for applications like combining navigation lights with anchor lights using shared bulbs, allowing you to control two separate circuits with a single switch.

Key Features:

  • Marine-grade construction with nickel-plated brass and phenolic components for corrosion resistance
  • Quick connect tabs for simplified wiring and installation
  • Compact design fits any location with a 1/2" mounting hole
  • Mounts easily in material up to 1/4" thick
  • Compatible with optional toggle boot (model 11975422) for enhanced protection
  • Achieves IP67 rating when used in WeatherDeck panel with toggle boot (temporary immersion for 30 minutes)
  • Backed by Blue Sea Systems lifetime warranty

Specifications:

  • Switch Type: DPDT (double pole, double throw), ON-OFF-ON
  • Positions: 3-position
  • Current Rating: 5A @ 12V DC
  • Voltage: 12V DC only
  • Conductors: 6
  • Dimensions: 5/8"W x 1-1/8"L x 2"D

This switch serves as an exact replacement for switches on Blue Sea Systems WeatherDeck panels, allowing you to customize circuit functions to meet your specific needs. The rugged construction and weather-resistant design make it suitable for harsh marine environments.

Totally awesome!! thank you

quick and easy! had no problems at all

easy to navigate site and had the parts I needed at a reasonable cost.

It was pretty easy, id do it again

Quick shipping, nice easy to use web site, and the lowest price with shipping around.. will use again..

Initially I was somewhat disappointed with this site's turnaround between the purchase and shipping dates (aprox 3 days) on my merchandise. After vocalizing about the issue autoplicity's customer service actually approached me to correct the problem. With other such issues from other online stores I have had to track down someone to contact for help and then go through an ordeal to obtain assistance. I would use this site again based solely on their proactive service.

Easy to use website.

Easy ordering

awesome parts dept.

Good price and very fast shipping.

Prices are very reasonable and shipping is fairly quick!! Will use again.

I am so pleased I found autoplicity online. Prices cannot be beaten anywhere on a extend a truck item. Quick shipping. I placed the site in my favorites and telling friends about it. Thank you guys for a great product.

Great so fa

received a follow up phone call within a hour letting me know that my order #5153 would be coming from a certian warehouse and about what time it will arrive...Great service!!!highly recommend

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