Please Carefully Check All Pictures and Part Numbers in the Listing to Make Sure It's the Correct Product you NeedPart Number: R438Fitment: For Leroy Somer GeneratorNotes:R438 Voltage Regulator is an Analog AVR. It is Designed For Alternators With a AREP or PMG ExcitationGenset AVR R438C Controls The Excitation Current In Order To Maintain The Output Voltage Of The AlternatorDetection Input: Voltage 95-480V AC Power Supply Input: Voltage 40-150V AC Three-Phase For This Automatic Voltage RegulatorWire and Electrical Parts are Very Easy to Short Circuit, Which Will Lead to The Damage of Parts. Please Note Testing And Pay Attention to The Installation of The Parts.We Provide 100% Perfect Customer Service, If There is Any Question, Please Contact us
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