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AVR R438 Automatic Voltage Regulator For Leroy Somer Generator

<ul><li>AVR R438 Automatic Voltage Regulator For Leroy Somer Generator</li><li>【Automatic Voltage Regulator】The R438 automatic voltage regulator (AVR) circuit ensures precise regulation of the generator output voltage by controlling the exciter field current. It offers closed-loop control and can be powered by either AREP or for PMG excitation s. Compatible with 1000 Series Generators, 2000 Series Generators, and 3000 Series Generators.</li><li>【Steady Voltage Regulation】With a voltage regulation accuracy of +/-5% at a constant speed, this AVR provides consistent and reliable power output. It features phase-to-phase voltage detection and regulation regardless of the applied load. The integrated "LAM" effectively handles increased engine load.</li><li>【 for Durable and Compatible】Built with a PCB circuit board, this AVR is designed to withstand intense vibrations and harsh environments. It is also compatible with other modules, allowing for additional functionality and customization.</li><li>【Easy Voltage Adjustment】The voltage can be easily adjusted using the potentiometer PThe AVR supports 0-110V, 0-220V, and 0-380V terminals, providing a wide range of voltage regulation options. The voltage regulation accuracy is +/-1%, stable and reliable power supply.</li><li>【Comprehensive Protection】The AVR comes with electronic protection against overload, short-circuit, and excitation overload current. It also features a fuse for added safety. The voltage sensing circuit is isolated via a transformer, providing reliable and accurate voltage sensing.</li></ul>

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Features:* Brand new and high quality* The R438 automatic voltage regulator (AVR) circuit provides closed-loop control of the generator output voltage by regulating the exciter field current.* R438 can be powered by AREP or for PMG excitation and installed as an option on: 1000 Series Generators / Series Generators / 3000 Series Generators.Specification:Part name: Automatic voltage regulatorMaterial: PCB circuit boardSize: as shown in the pictureColour: BlackVoltage regulation +/-0.5% at steady state and constant speedPhase-to-phase voltage detectionControlling via transistors means that the quality of regulation is Indepen dent of the applied loadIntegrated "LAM" copes with increased engine loadSuitable for high intensity vibration and harsh environmentsR438 is compatible with other modules to provide additional functionalityStandard power supply: AREP or for PMGRated overload current: 8A-10sElectronic protection (overload, short-circuit excitation overload current when the voltage sensing circuit is opened for 10 seconds and then returns to approximately 1A).Fuse: F1 on for X1, X2.8A; slow speed 250VVoltage sensing: 5VA isolated via transformer0-110V terminal=90-140V0-220V terminal=170-260V0-380V terminal=340-520VVoltage regulation +/-1%Normal or fast response time via ST2 for jumperAdjust the voltage via potentiometer P2Current sensing (parallel ): C.T. 2.5VA cl1, secondary 1A (optional)Quadrature drop adjustment via potentiometer P1The maximum excitation current is adjusted through P5Alternator applications: LSA 42.2, 43.2, 44.2Compatible with AREP or for PMG export Package Contents:1 x AVR R438 automatic voltage regulator1 x product manualNote:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight manual measurement deviation for the data.

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