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Blue Sea Systems 7717 ML-RBS Remote Battery Switch 24V 500A Auto-Release

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

7717
06/21/2036 6:50 AM
Sale Price

$245.49

In Stock (10+)

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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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 ML-RBS Remote Battery Switch combines the convenience of remote battery bank management with the safety of manual service lock-out capability. Designed for 24V systems, this heavy-duty switch puts control at your fingertips while keeping the switching mechanism close to your batteries for optimal cable management.

Remote Control Convenience:

Unlike conventional battery switches buried in lockers or behind seats, the ML-RBS includes a Contura-style SPST remote switch (Blue Sea Systems 2155) that mounts directly on your dash or nav station. The remote switch features a sliding cover to prevent accidental switching and requires only light gauge wiring for installation. This design shortens heavy cable runs by positioning the 500A switching mechanism near the battery bank.

Manual Override and Safety Features:

A built-in manual control lever with lock-out feature ensures you can always control battery power even if remote wiring is compromised. The service lock-out prevents accidental current flow while working on your electrical system. This auto-release model is ideal for applications using alternate relays where a normally open relay is desired, and can be controlled using SPST or SPSD switches.

Key Features:

  • 500A continuous rating handles large battery banks (700A intermittent, 1450A cranking)
  • Included Contura-style remote switch with sliding safety cover
  • Manual operation and service lock-out for safety
  • 3/8" tin-plated copper studs for maximum conductivity and corrosion resistance
  • Silver alloy contacts for reliable high-load switching
  • No parasitic draw when not actively switching
  • LED output capability for switch state indication (requires optional LED panel)
  • Label recesses for easy bank identification
  • Compatible with MV-ACR for enhanced battery management
  • Ignition protected for gasoline engine rooms (ISO 8846, SAE J1171)
  • CE marked, IP66 rated
  • Lifetime warranty

Technical Specifications:

  • Voltage: 24V DC
  • Continuous Rating: 500A
  • Intermittent Rating: 700A (5 minutes)
  • Cranking Rating: 1450A (30 seconds)
  • Coil Function: Auto-releasing
  • Cable Size: Two 4/0 AWG to meet full ratings
  • Terminal Studs: 3/8" tin-plated copper
  • Mounting: #10 screws
  • Remote Switch Dimensions: 1-13/16"L x 1"W x 1-1/2"D (1/2" above dash)
  • ML-RBS Mechanism Dimensions: 5-7/16"L x 3-3/4"W x 2"D

Note: Not recommended for boats with multiple helms.

Products specifications

Amperage

1450 Amps DC Cranking700 Amps Intermittent500 Amps Continuous

Type

Remote Battery Switch

Voltage

24 Volts DC

Best Use

Continuous DutyIntermittent

Easy internet access. fast shipping. justlike the advertise.

This is my first order. So far... so good.

great

WOW! What a relief to be able to order a product and receive the correct product in excellent condition in a timely manner! Not to mention the prices beat the competition by more than a little!!

Great fast service!!

Easy to use website. Great prices. Fast shipping. Secure payment options. The only thing was their lack of follow up with the process. Checking the status of the order(9320) yielded no change, as far as when shipped and when eta would be. But regardless it came as expected and in great condition. Thx!!!!!

cheap and quick

Great site Fast service and low price.

This vendor has good prices, would give 5 stars if free shipping.

Very easy to deal with. Found the right part I was looking for. Fast response after you pay.

Good

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