Leroy Somer R 250 Automatic Voltage Regulator (AVR)
The Leroy Somer R 250 is an advanced electronic Automatic Voltage Regulator (AVR) designed specifically for generator alternators. This high-performance module ensures stable voltage output and features built-in L.A.M. (Load Amplitude Modulation) technology to effectively manage severe load impacts and optimize engine recovery speed. Equipped with easily accessible potentiometers for precise voltage (VOLT) and stability (STAB) adjustments, the R 250 offers highly configurable frequency settings for 50Hz, 60Hz, and 400Hz operations via a simple rotary switch. Designed for durability and reliability in demanding industrial environments, the board includes a large aluminum heatsink for optimal thermal management and built-in fuse protection. Manufactured in France and cRUus certified, it is the ideal genuine replacement component for maintaining the efficiency of your power generation equipment.
Technical Specifications:
- Brand: Leroy Somer
- Model: R 250 (Part Number: LSR 250 001)
- Power/Sensing Input: 110V / 0V AC Terminals
- Excitation Output: Field terminals E+ and E-
- Frequency Configuration: Selectable 50Hz, 60Hz, and 400Hz via rotary switch
- Adjustments: Dedicated Voltage (VOLT) and Stability (STAB) potentiometers
- Advanced Features: Configurable L.A.M. (Load Amplitude Modulation) settings (Off, 13%, 25%)
- Protection: Integrated fuse protection and heavy-duty aluminum heatsink
- Certifications: cRUus Recognized
- Country of Origin: Made in France
| Brand | Leroy Somer |
|---|---|
| Model | R 250 |
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If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
Leroy Somer R 250 Automatic Voltage Regulator (AVR)
Buy the genuine Leroy Somer R 250 Automatic Voltage Regulator (AVR) for generator alternators. Features advanced L.A.M. technology, 50Hz/60Hz/400Hz compatibility, voltage/stability adjustments, and built-in fuse protection. Made in France.
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