Mastervolt Alpha Compact 28/150 Volvo Penta (Std with Pulley 48420170) - 46228152

Mastervolt 46228152 – Alpha Compact 28/150 Volvo Penta Alternator (24V, 150A, Incl. Pulley 48420170)

The Mastervolt Alpha Compact 28/150 VP alternator is designed for maximum power delivery in marine, mobile, and industrial energy systems. Optimized for continuous duty and high-demand applications, it integrates seamlessly with Volvo Penta engines thanks to its VP-specific form factor and included pulley (48420170).

With 150 A output at 24 V and support for PTO (Power Take Off), this alternator can serve as either a high-output replacement or a second alternator. When paired with the Alpha Pro III regulator (sold separately), it enables intelligent 3-step charging compatible with all battery chemistries including Lithium Ion.

Main Features

• Ultra-high output 150 A @ 6000 rpm
• Designed for Volvo Penta engines (VP suffix)
• Factory-installed multi-groove pulley (48420170)
• Compact and lightweight: 40% lighter than conventional units
• Dual internal fan cooling system for thermal stability
• Integrated RJ12 temperature sensor for real-time monitoring
• Resistant to oil, dirt, and moisture
• Plug-and-play compatible with Alpha Pro III
• 2-year OEM-grade warranty

Applications

• Marine electrical systems
• Vehicle-based energy platforms
• Heavy-duty mobile infrastructure
• Industrial equipment with high charging demands

General Specifications

Electrical Connections

• Positive Output: 2x M8 studs
• W (RPM Signal): Isolated fast-on terminal
• Field Current: Mastervolt plug
• Temperature Sensor: Integrated, RJ12 connector

This 28/150 model stands as the most powerful alternator in the Alpha Compact VP series, making it the preferred choice for energy-intensive systems requiring durability, flexibility, and high charge output. It ensures operational continuity even in harsh marine environments and demanding mobile conditions.