It is designed to fit as standard on a50 to a54 alternators. The primary winding has a voltage in ratio to that of the alternator characteristic shunt, the next has a voltage in proportion to the stator current co. Residual voltage at avr terminal 5 vac thermal drift 0. Maxiavr r448 for leroy somer macfarlane generators. The top countries of suppliers are china, pakistan, and taiwan, china, from which the percentage of leroy somer avr r448 supply is. Leroysomer lsflsa series alternators are built in france and sold throughout the world.
R448 avr for leroy somer diesel brushless generator we. Trading of alternators, ac and dc motors, controls, gears, electromechanical products. Excitation system regulation options voltage regulator shunt arep pmg current transformer for paralleling. Self excited automatic voltage regulator compatible. Leroy somer r448 voltage regulator voltage regulator generator. Avr with voltage which is independent of the main alternator winding. Buy new avr r438 for leroy somer generator in diesel. R448 automatic voltage regulator avr provides closed loop control of the alternator output voltage by regulating the exciter field current. For use with pmg, arep and auxiliary winding generators.
R448 avr for leroy somer diesel brushless generator product type. Leroy somer r438 avr original replacement for brushless. Leroy somer avr r449 china rentai stamford avr,leroy. A wide variety of leroy somer avr r448 options are available to you, there are 57 suppliers who sells leroy somer avr r448 on, mainly located in asia. Leroysomer avr r448 instruction manual pdf download. The r449 avr automatic voltage regulator is a shunt type designed to fit as standard on lsa50 to lsa54 alternators. View and download leroysomer avr r448 instruction manual online. New automatic voltage regulator r438 for leroy somer generator. Automatic voltage regulator avr module card r448 for leroy.
R250 avr for leroy somer diesel brushless generator we. R 731 r 734 mains paralleling remote voltage potentiometer. Regional sales offfice for all products of leroysomer group in south east asia, china, taiwan. This self excited automatic voltage regulator drops straight in, fitting permanent magnet, arep and auxiliary winding type leroy somer generators.
Compatibility with different drive systems, such as dieselpowered or. Use for reference purposes only not a genuine leroy somer product. Leroy somer r448 avr for leroy somer alternators for both arep amp. R450 avr for shunt, arep or pmg alternators r450 is an analog avr. Leroy somer avr r448automatic voltage regulator r448. With arep excitation, the r 448 electronic avr is powered by two auxiliary windings which are independent of the voltage match circuit. Leroy somer r438 avr original replacement for brushless generator. R448 avr for leroy somer diesel brushless generator weavr. New avr r438 for leroy somer generator in generator set parts.
Regional sales office for all products of us electric motors in asia. To reset avr protection, generator must be stopped or. Leroy somer alternator automatic voltage regulators avr r448. Avr is powered by two auxiliary windings which are independent of the voltage match circuit. Voltage regulator r450 replacement for r448 leroy somer. R 448 v50 is delivered in a box designed to be mounted on a panel with suspension. R448 avr leroy somer voltage regulator general power. Buy avr automatic voltage regulator r448 for leroy somer. Self excited automatic voltage regulator compatible withleroy. These are the replacement avrs for fg wilson and caterpillar gensets. R450 is performant in terms of voltage regulation, simple to set, to use and is reliable.
Generator r250 avr leroy somer, rs 6650 number, delcot. Partner alternators cover the power range 10 to 2500 kva, low voltage 690 v, 5060 hz, to meet the most demanding operating conditions. Trading of alternators, ac and dc motors, controls, gears, elect. R449 controls the excitation current in order to maintain the output voltage of the alternator. R211 avr leroy somer automatic voltage regulator joval. View online or download leroysomer avr r448 instruction manual. Electronic builtin overload, short circuit, and loss of. The ipua448 is an replacement alternator automatic voltage regulator for leroy somer r448, r449 and r438. The primary winding has a voltage in ratio to that of the alternator characteristic shunt, the next has a voltage in proportion to. Its the same size, function and has the same wiring connections. R250 avr for shunt alternators r250 is an analog avr with power controled by transistors. Oem service leroy somer r438 avr original replacement automatic voltage regulator is built to fully replace the original version, same fit, form and function.
Their description cannot, in any case, engage leroysomer liability. Ivt12602460 can combine with an auxiliary power avr this avr must use igbt for excitation control. The r250 is an analogic automatic voltage regulator with transistor. The maxiavr r448 automatic voltage regulator for leroy somer is designed to fit lsa46. The original voltage regulator is out of manufactured, so this voltage regulator is a replacement. View online or download leroy somer avr r448 instruction manual. Leroy somer avr r448 automatic voltage regulator sps448 sps250 ea448 r230 r250 r438 r448 r449 r129 r r221 r222 r211 r212. The ea448 compatible automatic voltage regulator is a direct replacement for the genuine leroy somer r448. Used for reference only this is not a genuine leroy somers product. It can be supplied with power either by a power vt, or by the arep field excitation system, or by a singlephase or 3phase pmg. Regulator avr 2028634 for caterpillar diesel generator leroy somer basler. Leroy somer lsflsa series alternators are built in france and sold throughout the world.
The circuitry of the r449 automatic voltage regulator avr provides closed loop control of the alternator output voltage by regulating the exciter field current. R250 controls the excitation current in order to maintain the output voltage of the alternator. Automatic voltage regulator avr module card r448 for leroy somer genset parts 6815917423194 ebay. Leroysomer leroysomer offers a range of alternators that is perfectly matched to market requirements. Regional sales offfice for all products of leroy somer group in south east asia, china, taiwan. It is designed for alternators with a shunt, arep or pmg excitation. Avr r448 avr automatic voltage regulator module, fg wi. Compatible with the shunt, arep or pmg excitation system. We are dealing leroy somer avr r250, avr r250, leroy somer. The r448 avr is also suitable for paralleling alternators.
Maxiavr r438 for leroy somer macfarlane generators. Leroy somer is the worlds largest ac alternator manufacturer. Leroy somer automatic voltage regulators diesel generator avr r449 brief introduction. Using the r726 external module, the regulator can control the power factor 2f and can match the alternator. Pmg excitation systems,the alternator voltage regulator is the r 448. The avr is designed as a replacement for the r449, providing. R250 is performant in terms of voltage regulation, simple to set, to use and is reliable. R449 avr for arep or pmg alternators r449 is an analog avr it is designed for alternators with a arep or pmg excitation. If you want a universal emri replacement, you have to choose our emri lx449. This unit also replaces fg wilson part 922124 and cat 922124. Leroy somer for sale in uk 55 secondhand leroy somers. R449 is performant in terms of voltage regulation, simple to set, to use.
The 200 series regulators are shunt regulators, that is they tap off field current from the alternator, which control the voltage or the coso of the alternator by adjusting the field current in the exciter field coil. Its been designed to work in exactly the same way and operates at the same performance. It can power by a power vt, the arep field excitation system, or a singlephase or 3phase pmg. Enjoy avr automatic voltage regulator r448 for leroy somer at diesel engine parts store. The top countries of suppliers are china, pakistan, and taiwan, china, from which the percentage of leroy somer avr r448 supply is 92%, 1%, and 1% respectively. Leroysomer south east asia pte ltd, 36 lok yang way, co. The sp powerworld ea08a compatible replacement avr is the only quality, legal and cost effective alternative to using a genuine leroy somer r438. With arep excitation, the r438 electronic avr is powered by two auxiliary windings which are independent of the voltage match circuit. Ipua448 replacement alternator automatic voltage regulator. Buy leroy somer r230 avr automatic voltage regulator. Leroysomer, a company of nidec corporation, is a world leader in electric motors, variable speed drives and electric power generation products and solutions. Accepted worldwide as the only quality and legal aftermarket replacement. Leroy somer avr r449 automatic voltage regulator ebay.
Aftermarket replacement avr for leroy somer partner range alternators. As a result the machine has a shortcircuit current capacity of 3 in for 10 s, and good immunity to distortions generated by the load. China avr r448 automatic voltage regulator for leroy somer. The r450 voltage regular automatic voltage regulator was engineered and is manufactured exclusively by leroy somer, a french division of emerson. R448 voltage regulator for leroy somer, fg wilson 922124 avr. The maxiavr r438 replaces the leroy somer rs437 and r438lsc avrs. The avr is able to ensure, depending of its constitution, solo operation, parallel operation between equivalent generators or parallel operation with the mains with coso or kvar regulation. We dont know when or if this item will be back in stock. Leroy somer,automatic voltage regulator avr r448 currently unavailable.
If you want a original voltage regulator replacement of leroy somer, you have to choose the leroy somer r450. Leroy somer avr r438 for leroy somer generator leroy somer aem110re016, 922124 leroy somer r448 has been replaced with the r450 regulator. Voltage regulator r450 r450 voltage regulator avr replaces r448 marine spare parts from leroy somer heino winter group. The avr monitors and corrects the alternator output voltage by adjusting the excitation current. China avr r448 automatic voltage regulator for leroy somer alternator, find details about china r448, avr from avr r448 automatic voltage regulator for leroy somer alternator zeb power solution company limited. Leroy somer r448 voltage regulator voltage regulator. Introduction sensing input voltage 120 vac 90 140 vac 1 phase 2 wire 5060 hz. Used 3 phase motor and pump set working when decommissioned. Its been designed to work in exactly the same way as the r438 and operates at the same performance. Leroy somer avr r450 voltage regulator general power. Avr supply output voltage output current phases fits for accesoires for brand fit model fit diagram emri alternative manuals download the manual 1 of leroy somer r449 download the manual 2 of leroy somer r449 download the manual 3 of leroy somer r449. The emri lx449 digital voltage regulator is the replacement for leroy somer r448 and r449. Avr automatic voltage regulator r448 for leroy somer in. R250 avr for leroy somer diesel brushless generator product type.
New leroy somer automatic voltage regulator avr r448. R448 automatic voltage regulator r448 automatic voltage regulator avr specification,installation and adjustments specifications normal avr supply power. The rotating switch should be in the shunt arep position see 3. R450 controls the excitation current in order to maintain the output voltage of the alternator. The leroy somer r450, a quality, original product made in france, has a one year international warranty and technical support. Use for reference purpose only and not a genuine leroy somer product. Leroysomer south east asia pte ltd, 36 lok yang way. Leroy somer avr leroy somer avr r726,automatic voltage. Order from general powers large stock and industryleading lead times which is weeks quicker than the competition. The leroy somer r450, a quality, original product made in france, has a one year. Leroy somer avr,buy leroy somer avr oem parts mart. The leroy somer r211 is used in industrial applications and can be used for paralleling applications. It is designed for small alternators with a shunt excitation. Leroy somer automatic voltage regulators diesel generator.
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