My Account
Shopping Cart

Balmar SG20408 SmartLink Communications 3-Way Expansion Cable

Manufacturer

Balmar

<p>Balmar has established itself as a trusted name in marine electrical systems, specializing in advanced charging solutions designed to meet the demanding power requirements of modern vessels. With a focus on reliability and performance, Balmar engineers products that keep marine electrical systems running smoothly in challenging saltwater environments.</p><h3>Marine Charging Excellence</h3><p>At the heart of Balmar's product line are their high-output <a href="/12782-balmar-alternators-200087">alternators</a> and precision <a href="/12782-balmar-voltage-regulators-201148">voltage regulators</a>, engineered specifically for marine applications. Unlike standard automotive alternators, marine charging systems must contend with constant vibration, temperature fluctuations, and corrosive saltwater exposure. Balmar addresses these challenges with robust construction, marine-grade materials, and advanced voltage regulation technology that ensures optimal battery charging while preventing overcharging damage.</p><h3>Comprehensive Marine Solutions</h3><p>Beyond charging components, Balmar's expertise extends to critical drivetrain elements. Their <a href="/12782-balmar-drives-gearcases-transoms-200346">drives, gearcases, and transoms</a> components reflect the same commitment to marine-grade durability that defines their electrical products. These components are designed to withstand the harsh marine environment while delivering reliable performance season after season.</p><h3>Precision Fuel System Components</h3><p>Balmar also offers specialized solutions for marine fuel delivery systems, including <a href="/12782-balmar-fuel-injection-pressure-regulator-6124">fuel injection pressure regulators</a> that maintain consistent fuel pressure for optimal engine performance. Proper fuel pressure regulation is essential for modern marine engines, ensuring efficient combustion, reliable starting, and smooth operation across varying load conditions.</p><h3>Why Marine Professionals Choose Balmar</h3><p>What sets Balmar apart is their deep understanding of marine electrical demands. Cruising vessels, fishing boats, and commercial marine applications all require dependable power systems that can support navigation electronics, communication equipment, refrigeration, and other essential systems. Balmar's products are engineered with these real-world demands in mind, providing the charging capacity and reliability that marine applications require. Whether you're upgrading an existing charging system or building out a new vessel's electrical infrastructure, Balmar components deliver the performance and longevity that serious boaters depend on.</p>

Part Number

SG20408
07/13/2036 3:50 AM
Sale Price

$66.02

3 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Balmar SG20408 is a SmartLink communications 3-way adapter cable designed for expanding your Balmar SmartLink network connectivity. This adapter is appropriate for 2-engine applications to connect two MC-618 regulators, and also works with SG230/SG235 NMEA SmartShunts when connecting an MC-618 regulator and 2-inch color display.

Key Features:

  • Expands SmartLink network to accommodate three connected devices
  • Enables dual MC-618 regulator connection for twin-engine installations
  • Compatible with SG200 battery monitors and SmartLink displays
  • Integrates seamlessly with Balmar SmartLink ecosystem

Important Note: This cable can be used to connect one MC-618 regulator and any other SmartLink device to a single SmartLink port. One of the products MUST be an MC-618. You cannot use this to connect two other devices to the same port, such as a display and Bluetooth gateway, two SmartShunts, etc.

This communications adapter is an essential component for marine electrical systems requiring sophisticated battery management and monitoring across multiple regulators or devices in your Balmar SmartLink network.

Products specifications

Description

Com 3-Way Expansion Cable

For Use With

SG200

It was a painless experience and the my part easily verified

Pretty Easy

good

Outstanding!!!

Had great experience with parts from HKS ordered through THM in the past. That is reason for ordering again, very competitive prices.

Easy and straight to the point

Good

Fast shipping

Share icon
Return Policy
Returns are easy at Boatplicity

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