Sincro GTR Steel Alternators 2 and 4 poles Brushes with Digital AVR 3-phase
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Sincro GTR Series – Steel Alternators with Brushes & Digital AVR
2 or 4 Poles | 3-Phase | Self-Regulated | Digital AVR
The Sincro GTR Series features high-performance 3-phase alternators with robust steel construction, brush-type excitation, and integrated Digital AVR (Automatic Voltage Regulator) for precise voltage control. Available in both 2-pole (3000/3600 rpm) and 4-pole (1500/1800 rpm) configurations, the GTR alternators are ideal for a wide range of generator applications.
Designed to operate in demanding environments, these alternators support standard 230 V - 50 Hz output, are IP23 protected, and offer multiple coupling options, including IM B34, IM B35, and SAE 3/4/5 mounts.
Key Features:
Brush-type excitation with Digital AVR for stable, regulated voltage
2-pole and 4-pole versions: 3000/3600 rpm and 1500/1800 rpm
Self-regulated operation for continuous performance
Steel construction for long-term durability
Standard voltage: 230 V – 50 Hz
IP23 protection class for ventilated setups
Mounting options: IM B34, IM B35, SAE 3, SAE 4, SAE 5
Technical Overview :
2-Pole Models (3000 / 3600 rpm):
GTR 2 MB – 27 / 34 kVA – Efficiency: 86 / 87% – Weight: 85 / 93 kg
GTR 2 LA – 31.5 / 40 kVA – Efficiency: 87 / 88% – Weight: 104 / 112 kg
GTR 2 LB – 38 / 47.5 kVA – Efficiency: 89 / 90% – Weight: 118 / 126 kg
4-Pole Models (1500 / 1800 rpm):
GTR 4 MB – 22 / 26.4 kVA – Efficiency: 87 / 88% – Weight: 74 / 82 kg
GTR 4 LA – 27 / 32.4 kVA – Efficiency: 88 / 89% – Weight: 92 / 100 kg
GTR 4 LB – 30 / 36 kVA – Efficiency: 89 / 90% – Weight: 106 / 114 kg
Applications:
Residential and commercial backup generators
Industrial power generation systems
Mobile gensets for rental fleets
Telecom and emergency backup solutions
OEM generator platforms needing stable voltage control
Voltage Regulation: Digital AVR
Configuration: 3-Phase
Excitation: Brushes
Protection: IP23
Mounting Compatibility: IM B34, IM B35, SAE 3/4/5
Technical Specifications
GTR 2 Series- 2 POLES:
| Model | Power 50 Hz (kVA) | Power 60 Hz (kVA) | Efficiency η 50 Hz (%) | Efficiency η 60 Hz (%) |
|---|---|---|---|---|
| GTR 2 MB | 27 | 34 | 86 | 87 |
| GTR 2 LA | 31.5 | 40 | 87 | 88 |
| GTR 2 LB | 38 | 47.5 | 89 | 90 |
GTR 4 Series – 4 POLES:
| Model | Power 50 Hz (kVA) | Power 60 Hz (kVA) | Efficiency η 50 Hz (%) | Efficiency η 60 Hz (%) |
|---|---|---|---|---|
| GTR 4 MB | 22 | 26.4 | 87 | 88 |
| GTR 4 LA | 27 | 32.4 | 88 | 89 |
| GTR 4 LB | 30 | 36 | 89 | 90 |
*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
GTR MB 563x 300x 280 mm
GTR LA 662x 300x 280 mm
GTR LB 662x 300x 280 mm
*Values may vary — see the GK/GR 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:
