Reliable High-Output 48V Alternator for Demanding Marine Electrical Systems

Supporting high-capacity 48V electrical systems, this externally regulated alternator delivers exceptional charging performance for marine, commercial, and high-power applications. Its robust large-frame construction, 16-pole rotor, and high-efficiency stator provide strong charging output across idle, cruising, and maximum engine speeds. Finished with a durable black E-coating for corrosion resistance, it is engineered to operate reliably in demanding marine environments while maintaining consistent power delivery with an external regulator.

Key Features

• Bold 48V Charging Performance – Produces up to 180 amps and 9,630 watts at 53.5V, supplying substantial charging capacity for large battery banks and high-demand onboard electrical systems.
• Strong Output at Idle – Delivers 78 amps and 4,173 watts at hot idle, helping maintain battery charging even when the engine is operating at lower speeds.
• High Sustained Cruising Capacity – Generates 138 amps and 7,383 watts during normal cruising conditions, providing continuous power for extended operation.
• External Regulation Compatibility – Uses external regulation only, allowing precise charging control and seamless integration with advanced external alternator regulators.
• Heavy-Duty Large Frame Design – Built on a 138 mm stator with a large-frame housing to support continuous high-output performance and improved durability.
• Corrosion-Resistant Finish – Protected by a durable black E-coating that helps resist corrosion and extends service life in harsh marine environments.
• Wide Operating Speed Range – Features a 1,920 RPM cut-in speed and supports alternator speeds up to 19,000 RPM, delivering reliable charging throughout the engine operating range.
• Robust Internal Components – Equipped with six positive and six negative 80A avalanche-rated diodes to provide dependable electrical protection and long-term reliability.

A combination of high charging output, robust construction, and external regulation capability makes this alternator well suited to modern 48V marine electrical installations requiring dependable continuous performance.