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Balmar 621100SV High-Output Marine Alternator Single Foot Mount 100A

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

621100SV
06/02/2036 9:35 AM
Sale Price

$650.71

In Stock (9)

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Balmar 621100SV is a high-performance 100-amp marine alternator from the 6-Series line, designed to deliver fast, safe charging for a wide range of battery technologies including standard flooded lead-acid, gel, and AGM batteries. This compact, single-foot mounted alternator features a 1" to 2" adjustable mounting foot and IsoGrd (isolated ground) configuration for enhanced electrical system protection.

Key Features:

  • Dual internal cooling fans for superior heat dissipation and extended service life
  • Smart Ready design compatible with Balmar multi-stage voltage regulators for optimized charging profiles
  • Small case design for easy installation in tight engine compartments
  • Single foot mounting bracket with 1" to 2" adjustment range
  • Isolated ground (IsoGrd) configuration protects sensitive electronics from voltage spikes
  • 100-amp output capacity handles demanding house battery banks and electrical loads
  • Marine-grade construction with corrosion-resistant materials for harsh saltwater environments

The 6-Series alternators are engineered specifically for marine applications where reliable, high-output charging is critical. When paired with Balmar's advanced voltage regulators, these alternators provide precise multi-stage charging that maximizes battery life and performance while reducing charging time. The dual-fan cooling system ensures consistent output even under sustained high-load conditions, making this alternator ideal for cruising sailboats, sportfishing vessels, and auxiliary power applications.

Products specifications

Dimensions

5 3/4" Diameter x 7 1/4" Height x 6 5/8" Length

Features

Back-Up Internal Regulator

Mount Type

Single Foot 1" or 2"

Type

Alternators

Voltage

12 Volts DC

Outputs

1 Output

ISO Approved

Ignition-Safe Design for Marine Gas or Diesel EnginesMeets USCG Title 33ISO 8838 and SAE J1181 Safety Standards

Pulley Groove Type

Single Groove

Rated Output Power - 2000 RPM Hot

71 Amps

Rated Output Power - 6000 RPM Hot

84 Amps

Warranty Details

One Year

I will see if Im Recieving what I planned on ordering

All was as expected. Thanks.

Great experience

Easy to use good pricing. the order was not packaged very well as they placed a case of oil in a big box that was twice the size of the oil and it was packaged with 2 sets of gaskets which ended up getting somewhat smashed, but i think can be salvaged, should really protect shipments better.

good

needed a delivery date couldn't confirm

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