C-526483-48 MagnaMax Exciter Rotor – Marathon Generators

Description

Marathon Exciter Rotor C-526483-48 | OEM with Pre-Installed Rectifier | In Stock

Complete OEM Excitation Assembly for Marathon MagnaMAX Generators

The Marathon Exciter Rotor C-526483-48 is a brand-new, genuine OEM Marathon Electric excitation component engineered for brushless synchronous generators. What makes this exciter rotor unique is that it comes factory-equipped with the B-525528F Marathon MagnaMAX Rectifier Assembly already installed, providing a complete, ready-to-run excitation solution.

By combining the exciter rotor and rectifier assembly into one OEM package, this unit helps reduce installation time, eliminates wiring errors, and ensures proper excitation performance straight out of the box. This integrated design is ideal for critical generator applications where reliability, voltage stability, and fast turnaround matter.

📦 New, unused, and in stock at Joval Industrial—ready for immediate shipment.

Key Features & Benefits

• Genuine **Marathon Electric OEM exciter rotor assembly
• Includes B-525528F Marathon MagnaMAX rectifier assembly pre-installed
• Fully assembled for faster installation and reduced downtime
• Precision-balanced rotor for smooth, reliable operation’
• Supports consistent voltage build-up and AVR performance
• Designed for industrial, standby, and prime power generators

General Facts About Integrated Exciter Rotor Assemblies

• The exciter rotor generates AC power that is rectified and fed to the main rotor field
• A pre-installed rectifier assembly ensures correct diode orientation and wiring
• OEM assemblies improve long-term reliability and reduce field installation errors
• Failed excitation components can cause no voltage, unstable output, or overheating
• Factory-matched components help extend generator service life

Common Applications

• Marathon Electric MagnaMAX generators
• Brushless synchronous generator systems
• Industrial, standby, and prime power applications
• Generator ends requiring integrated excitation assemblies

⚠️ Important Compatibility Notice

The C-526483-48 exciter rotor with rectifier assembly is commonly used in Marathon MagnaMAX generator configurations, but exact compatibility depends on generator model, frame size, and serial number.

👉 Always confirm fitment before ordering. Our technical team is available to assist.

Frequently Asked Questions (FAQ)

Is this a genuine Marathon Electric OEM assembly?
Yes. This is a new, original OEM Marathon Electric exciter rotor supplied with the B-525528F MagnaMAX rectifier assembly already installed—not rebuilt or aftermarket.

Is this item in stock?
Yes. This unit is in stock and ready to ship from Joval Industrial.

What is the advantage of a pre-installed rectifier assembly?
It reduces installation time, minimizes wiring mistakes, and ensures proper excitation performance using factory-matched components.

What happens if the exciter rotor or rectifier fails?
Failure can result in loss of excitation, low voltage, or unstable generator output. Replacing with a complete OEM assembly restores proper operation.

Can this be installed by end users?
Installation should be performed by qualified generator service technicians following Marathon Electric service guidelines.

Why Buy from Joval Industrial?

Joval Industrial specializes in OEM generator components and technical support. We help customers avoid downtime by verifying part compatibility, stocking critical excitation components, and shipping fast when it matters most.

📞 Need help confirming fitment?
Call 1-877-335-6825 before ordering and speak with our technical team.

Corresponding, Associated & Obsolete Part Numbers

• C-526483-48
• B-525528F (Rectifier Assembly – included)
• 500AJ-200AE (Ex. Rotor)