Description
Marathon Exciter Stator B-400N-300AG | Genuine OEM | In stock
The Marathon Exciter Stator B-400N-300CH is a brand-new, genuine OEM replacement designed to support stable excitation performance in brushless generator applications. This exciter stator supplies the stationary field required for controlled excitation, helping maintain smooth voltage regulation and dependable generator operation under load.
Offered new and unused, this OEM exciter stator is manufactured to Marathon Electric production standards for electrical consistency, insulation durability, and mechanical fit. Selecting an original exciter stator helps protect the excitation system, minimizes regulator-related issues, and supports long-term alternator reliability.
This exciter stator is used on Marathon MagnaMax generators with 570 frame sizes. If you are unsure whether B-400N-300CH is the correct part for your generator, please contact Joval Industrial prior to purchase so compatibility can be verified.
š¦ In stock and ready to ship from Joval Industrial.
Key Features & Benefits
- New, original OEM Marathon Electric exciter stator
- Engineered for brushless alternator excitation systems
- Precision winding for consistent excitation output
- Supports reliable voltage regulation and AVR performance
- Designed for industrial, standby, and prime power environments
- Built to OEM electrical and insulation requirements
General Facts About Exciter Stators
- Exciter stators provide the stationary magnetic field in brushless alternators
- The exciter rotor converts this field into DC power for the main rotor
- Residual magnetism allows voltage build-up during startup
- Deterioration can lead to low voltage, instability, or total excitation loss
- Correct resistance and insulation values are critical for system longevity
Common Applications
- Marathon MagnaMax generator ends
- 570 frame size alternators
- Industrial, commercial, standby, and prime power systems
ā ļø Important Note: Generator designs and configurations vary. Always confirm compatibility using your generator details or contact Joval Industrial before ordering.
Frequently Asked Questions (FAQ)
Is this a genuine Marathon Electric exciter stator?
Yes. B-400N-300CH is a new, original OEM Marathon Electric exciter stator.
Is this item available for immediate shipment?
Yes. This part is currently in stock and ready to ship.
What symptoms indicate a failing exciter stator?
Symptoms may include unstable voltage, low output, or complete loss of excitation.
Does this fit every MagnaMax generator?
No. Fitment depends on the specific generator model, serial number, and 570 frame configuration.
Should installation be performed by a professional?
Yes. Installation should be completed by qualified generator service personnel.
Why Buy from Joval Industrial?
Joval Industrial supplies genuine OEM generator parts backed by knowledgeable technical support. We help customers avoid incorrect purchases by confirming fitment before shipment and providing reliable, in-stock solutions.
š Need help confirming fitment?
Call us at 1-877-335-6825 or contact our team before ordering.
CORRESPONDING, ASSOCIATED & OBSOLETEĀ PART NUMBERS
- B-400N-300CH
- B400N-300CH
- 400N-300CH
- JV300CH
