





Sincro GT2 series Steel Portable Alternators 2poles/3-phase, BRUSHES - COMPOUND
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Sincro GT2 Series – Heavy-Duty Steel Alternators
2 Poles | Three-Phase | Brushes – Compound | Self-Regulated | IP23
The Sincro GT2 Series is built for professional three-phase power generation in demanding environments. These 2-pole alternators use brush-type compound excitation to ensure consistent, self-regulated voltage and high starting torque for inductive loads. With high power ratings and a reinforced steel housing, GT2 alternators are ideal for generator systems in construction, agriculture, backup power, and rental fleets.
Equipped with multiple coupling options — IM B34, IM B35, SAE 3, SAE 4, and SAE 5 — the GT2 series offers maximum compatibility and ease of integration into diesel or petrol-driven gensets.
Key Features:
2-pole operation: 3000 rpm at 50 Hz / 3600 rpm at 60 Hz
Three-phase voltage output: 230/400V – 50 Hz
Self-regulated compound excitation (brush-type)
Short circuit current greater than 3 × In
IP23 protection class for ventilated installations
Strong and reliable steel frame for long-term use
Coupling options: IM B34, IM B35, SAE 3/4/5
High availability of compatible control panels
Applications:
Generator sets for construction, agriculture, and industry
Mobile gensets and trailer-mounted three-phase units
Emergency backup systems for commercial buildings
Off-grid or rural electrification solutions
OEM generator builds requiring rugged performance
Rental fleets with high reliability requirements
Technical Overview :
GT 2 MB:
27 kVA at 50 Hz with 86% efficiency
34 kVA at 60 Hz with 87% efficiency
Weight: 92 kg (IM B), 100 kg (SAE)GT 2 LA:
31.5 kVA at 50 Hz with 87% efficiency
40 kVA at 60 Hz with 88% efficiency
Weight: 110 kg (IM B), 118 kg (SAE)GT 2 LB:
38 kVA at 50 Hz with 89% efficiency
47.5 kVA at 60 Hz with 90% efficiency
Weight: 124 kg (IM B), 136 kg (SAE)
Technical Specifications
| Model | Power 50 Hz (kVA) | η 50 Hz @ p.f. 0.8 (%) | Power 60 Hz (kVA) | η 60 Hz @ p.f. 0.8 (%) | Mass IM B34/B35 (Kg) | Mass SAE 3/4/5 (Kg) |
|---|---|---|---|---|---|---|
| GT 2 MB | 27 | 86 | 34 | 87 | 92 | 100 |
| GT 2 LA | 31.5 | 87 | 40 | 88 | 110 | 118 |
| GT 2 LB | 38 | 89 | 47.5 | 90 | 124 | 136 |
*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
GT 2 MB 563x 300x 280 mm
GT 2 LA 662x 300x 280 mm
GT 2 LB 662x 300x 280 mm
*Values may vary — see the GT 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:






















