Description
LEROY-SOMER R448
Reliable automatic voltage regulation for LEROY-SOMER alternators in industrial and standby power systems
| Brand | LEROY-SOMER |
| Model | R448 |
| Voltage | 85-139 V AC sensing; 24 V DC excitation |
| Country of Origin | France |
| Weight | 0.45 kg |
| Dimensions | 150 x 100 x 45 mm |
| Warranty | 6 months |
| Certifications | CE |
| SKU / MPN | R448 |
| What’s in the box | R448 automatic voltage regulator, mounting hardware, installation documentation |
| Product Type | Automatic voltage regulator for alternators |
| Excitation Current | 5 A continuous, 10 A for 10 seconds |
| Voltage Regulation | Typically within +/-1% |
| Sensing Input | 85-139 V AC |
| Frequency | 50/60 Hz |
| Protection Features | Over-excitation and under-frequency protection |
Key benefits: Stable generator output, accurate voltage control, robust excitation management, easy retrofit installation
Typical applications: Industrial generators, standby power systems, marine generator sets, rental generator equipment, and motor-driven alternators
Lifecycle: Active industrial replacement component; availability depends on distributor stock and alternator compatibility
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
Richard S. –
The power supply unit is stable under full load. Better than expected.