Sincro ET/R2 Synchronous Alternators BRUSHES - AVR, 2-poles/3-phase
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Sincro ET/R2 Series – 2-Pole Three-Phase Synchronous Alternators (Brushes + AVR)
The Sincro ET/R2 series is a high-performance range of synchronous low-voltage AC alternators designed for continuous and reliable power generation. Built with 2 poles and three-phase output, these alternators combine brush technology with an integrated AVR (Automatic Voltage Regulator) to deliver stable voltage under varying loads.
Manufactured in Italy, the ET/R2 alternators are engineered to meet the demanding requirements of portable generators, mobile gensets, agricultural machinery, and industrial applications. Their compact, lightweight construction ensures easy integration, while the IP23 protection class provides safe operation in challenging environments.
Key Features
2-Pole, Three-Phase Brush Alternators with AVR for voltage stability
Self-regulated system for consistent performance
Standard voltage: 230/400 V – 50 Hz (60 Hz versions available)
Couplings: IM B34, IM B35, SAE, J609b
Protection class: IP23
Made in Italy – robust design, long service life
Typical Power Range
ET 2 MBR: 5,5 kVA (50 Hz) / 6,9 kVA (60 Hz)
ET 2 MCR: 7,0 kVA (50 Hz) / 9,0 kVA (60 Hz)
ET 2 LAR: 8,5 kVA (50 Hz) / 10,5 kVA (60 Hz)
ET 2 LBR: 10,0 kVA (50 Hz) / 13,0 kVA (60 Hz)
Applications
Portable and Mobile Gensets – compact design ideal for emergency and standby generators
Agricultural Machinery – reliable power source for farming and field operations
Construction Sites – durable alternators for powering tools, equipment, and lighting
Industrial Equipment – stable three-phase output for workshops and small factories
Backup Power Solutions – dependable alternators for homes, businesses, and telecom installations
The Sincro ET/R2 series is the ideal solution for those who need a compact, efficient, and durable Italian-made alternator with professional voltage regulation. Perfect for mobile and stationary gensets, it guarantees clean and stable power wherever it is needed.
Technical Specifications
ET 2 Standard 3-Phase Output:
| Model | Power 50 Hz – 3000 r.p.m. | Efficiency | Power 60 Hz – 3600 r.p.m. | Efficiency |
|---|---|---|---|---|
| kVA | % η 4/4 (p.f. 0,8) | kVA | % η 4/4 (p.f. 0,8) | |
| ET 2 MBR | 5,5 | 75 | 6,9 | 76 |
| ET 2 MCR | 7 | 78 | 9 | 79 |
| ET 2 LAR | 8,5 | 81 | 10,5 | 82 |
| ET 2 LBR | 10 | 83 | 13 | 84 |
*Power- S1 40°C • H class (kVA 230/240V 50/60Hz) – Continuous power output (S1 duty) at 230/240V, 50/60Hz, 40°C ambient, H class insulation; η (%) 50/60Hz – Efficiency at 50/60Hz
Dimensions
ET 2 MBR 358x 212x 337 mm
ET 2 MCR 358x 212x 337 mm
ET 2 LAR 413x 212x 337 mm
ET 2 LBR 413x 212x 337 mm
ET 2 MBF 411,5x 185x 203 mm
ET 2 MCF 411,5x 185x 203 mm
ET 2 LAF 466,5x 185x 203 mm
ET 2 LBF 466,5x 185x 203 mm
*Values may vary — see the ET series catalog for details.
Catalog:
Download main catalog Sincro 2 and 4 pole alternatorsfor portable and mobile gen-sets
Detailed information about the GK series:
