
2-pole alternators
for portable and mobile gen-sets
2-Pole Alternators
For Portable And Mobile Gen-Sets
Designed for durability and performance, Sincro low-voltage synchronous alternators are ideal for portable and trailer-mounted generators. Available in 2-pole (3000/3600 rpm) configurations, they offer high efficiency, IP23 protection, and a wide power range. Perfect for compact power solutions in construction, agriculture, and emergency backup applications.
1-phase:
Brushless/capacitor models:
Brushes/AVR models:
3-phase:
Brushes/compound models:
Brushes/AVR models:
R80 series
2-poles/1-phase, Brushless - Capacitor
The Sincro R80 is a compact, 2-pole, single-phase alternator designed for portable and mobile generator sets. It features a brushless design with capacitor voltage regulation, eliminating the need for brushes or an external AVR. With power output ranging from 1.2 to 2.7 kVA, it offers IP23 protection and stable performance at 3000 or 3600 rpm. Ideal for reliable, low-maintenance operation in light industrial and backup power applications.
2 POLES - SINGLE PHASE
BRUSHLESS - CAPACITOR
-
Self-regulated
-
IP 23
-
Standard voltage: 230 V - 50 Hz
-
Voltage accuracy: ± 8%
-
Short circuit current greater than 3 In
-
Couplings: IM B35

*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
EP2 series
2-poles/1-phase alternators, Brushless - Capacitor
The Sincro EP Series features 2-pole, single-phase, brushless alternators with capacitor regulation, delivering up to 6.8 kVA of power. Designed for compact, low-voltage AC applications, these alternators offer self-regulated performance, IP23 protection, and standard 230 V / 50 Hz output. Built for IM B35 mounting (J609a, J609b, or B3/B9), the EP series is ideal for portable generators and mobile power solutions. Optional 12 Vdc battery charger available. Models include Schuko or CEE socket compatibility. Maintenance-free, reliable, and efficient – perfect for demanding field applications.
-
Self-regulated
-
IP 23
-
Standard voltage: 230 V - 50 Hz
-
On request battery charger 12 Vdc 10A
-
Short circuit current greater than 3 In
-
Couplings: IM B35
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B35 (mounting style (combination of foot and flange mounting)- J609a (c19)- SAE standard coupling interface (cone diameter of 19 mm)
Schuko socket: 16
CEE socket: 47
*Cone 19 not available on EP 2 C5T

IM B35 (mounting style (combination of foot and flange mounting)- J609b (c25,4)- SAE standard coupling interface (cone diameter of 25,4 mm)
Schuko socket: 16
CEE socket: 47
*J609b not available on EP 2 72 L

IM B35- mounting style (combination of foot and flange mounting)- B3/B9 (c23) - B3 = horizontal foot mounting (standard base mounting), B9- custom or reduced flange or variant (cone diameter of 23mm)

EK2
2-poles/1-phase alternators, Brushless - Capacitor
The Sincro EK Series represents a robust solution for reliable single-phase power generation. Designed with a brushless, capacitor-excited system, the EK series combines consistent self-regulation, rugged design, and wide compatibility for various industrial and mobile applications. With available SAE and IM B coupling options, the EK series integrates seamlessly into larger genset systems.
-
Self-regulated
-
IP 23
-
Standard voltage: 230V - 50 Hz
-
On request battery charger 12 Vdc 10A
-
Short circuit current greater than 3 In
-
Couplings: IM B34, IM B35, SAE
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*IM = International Mounting (IEC 60034-7 code system); B3 = Foot-mounted (horizontal feet on the base, no flange); B14 = Small flange-mounted (spigot/flange with threaded holes for face mounting); B34 = Combination of B3 and B14 — the unit has both feet and a small flange, so it can be mounted in either way.

IM B35 - J609b (c22,14 / 25,4 / 35)
*Mounting and coupling specification combining an IEC mounting code with an SAE shaft interface, plus shaft cone sizes.
Schuko sockets: 16
CEE sockets: 47

B3/B9 (c23 / 30)
*Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 23 mm or Ø 30 mm

SAE5, SAE6 (SAE flange mounting sizes)

EK/R2
2-poles/1-phase alternators, BRUSHES - AVR
The Sincro EK Series represents a robust solution for reliable single-phase power generation. Designed with a brushless, capacitor-excited system, the EK series combines consistent self-regulation, rugged design, and wide compatibility for various industrial and mobile applications. With available SAE and IM B coupling options, the EK series integrates seamlessly into larger genset systems.
-
Self-regulated
-
IP 23
-
Standard voltage: 230V - 50 Hz
-
On request battery charger 12 Vdc 10A
-
Short circuit current greater than 3 In
-
Couplings: IM B34, IM B35, SAE
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*IM = International Mounting (IEC 60034-7 code system); B3 = Foot-mounted (horizontal feet on the base, no flange); B14 = Small flange-mounted (spigot/flange with threaded holes for face mounting); B34 = Combination of B3 and B14 — the unit has both feet and a small flange, so it can be mounted in either way.

IM B35 - J609b (c22,14 / 25,4 / 35)
*Mounting and coupling specification combining an IEC mounting code with an SAE shaft interface, plus shaft cone sizes.
Schuko sockets: 16
CEE sockets: 47

B3/B9 (c23 / 30)
*Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 23 mm or Ø 30 mm

SAE5, SAE6 (SAE flange mounting sizes)

FK2 series
Single phase 2-poles portable Alternators. Brushless - Capacitor
The Sincro FK2 Series are synchronous low-voltage AC alternators designed for single-phase applications. Operating at 3000 rpm (50 Hz) or 3600 rpm (60 Hz), these units use a brushless capacitor excitation system to ensure self-regulated, stable output. With IP23 protection, standard voltage of 230 V, and short-circuit current capability above 3 In, they are reliable solutions for portable and standby generator sets. Built in a robust steel frame, they feature flexible coupling options (IM B34, IM B35, SAE) for easy integration.
-
Self-regulated
-
IP 23
-
Standard voltage: 230 V - 50 Hz
-
Short circuit current greater than 3 In
-
Couplings: IM B34, IM B35, SAE
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
FK/R2 series
Single phase 2-poles portable Alternators. BRUSHES - AVR
The FK/R2 Series are synchronous low-voltage AC alternators with brush excitation and integrated AVR, designed for single-phase applications requiring precise voltage regulation. Operating at 3000 rpm (50 Hz) or 3600 rpm (60 Hz), they provide stable output with a voltage accuracy of ±2%. Featuring IP23 protection, 230 V standard voltage, and multiple coupling options (IM B34, IM B35, SAE), these alternators are built for reliability in industrial, agricultural, and standby generator sets.
-
Self-regulated
-
IP 23
-
Standard voltage: 230 V - 50 Hz
-
Couplings: IM B34, IM B35, SAE
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*IM = International Mounting (IEC 60034-7 code system); B3 = Foot-mounted (horizontal feet on the base, no flange); B14 = Small flange-mounted (spigot/flange with threaded holes for face mounting); B34 = Combination of B3 and B14 — the unit has both feet and a small flange, so it can be mounted in either way.

IM B35 - J609b (c25,4 / 35)
*Foot + flange mounting, SAE J609B tapered shaft, cone Ø 25.4 mm or Ø 35 mm.

IM B35 - B3/B9 (c30 / 38)
*Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 30 mm or Ø 38 mm

SAE5, SAE4, SAE3
*SAE flange mounting sizes

FK2 steel series
Synchronous Alternators, Brushless - Capacitor
Heavy-duty synchronous low-voltage AC alternators available in 2-pole (3000/3600 rpm). Featuring a brushless, capacitor-regulated system, they deliver stable, self-regulated output with IP23 protection and short-circuit capability over 3× nominal current. Built with a reinforced steel frame for maximum durability in demanding environments, and offered with multiple coupling options (IM B34, IM B35, SAE5, SAE4, SAE3), the FK Steel Series is ideal for industrial, construction, agricultural, and OEM generator applications.
-
Self-regulated
-
IP 23
-
Standard voltage: 230 V - 50 Hz
-
Short circuit current greater than 3 In
-
Couplings: IM B34, IM B35, SAE
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*IM = International Mounting (IEC 60034-7 code system); B3 = Foot-mounted (horizontal feet on the base, no flange); B14 = Small flange-mounted (spigot/flange with threaded holes for face mounting); B34 = Combination of B3 and B14 — the unit has both feet and a small flange, so it can be mounted in either way.

IM B35 - J609b (c25,4 / 35)
*Foot + flange mounting, SAE J609B tapered shaft, cone Ø 25.4 mm or Ø 35 mm.

IM B35 - B3/B9 (c30 / 38)
*Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 30 mm or Ø 38 mm

SAE5, SAE4, SAE3
*SAE flange mounting sizes

GK-GT steel series –
Low Voltage AC Steel Alternators
The Sincro GK and GR series are robust, self-regulated synchronous alternators designed for both single-phase and three-phase applications. Available in 2-pole they offer reliable performance with brushless capacitor excitation for single-phase models and brush compound or brush AVR regulation for three-phase versions. Featuring IP23 protection, standard voltages of 230 V (single-phase) or 230/400 V (three-phase), and short-circuit currents above 3 In, these alternators are ideal for industrial, commercial, and mobile generator sets. Coupling options include IM B34, IM B35, and SAE interfaces for flexible integration.
-
Self-regulated
-
IP23
-
Standard voltage: 230 V - 50 Hz
-
Couplings: IM B34, IM B35, SAE
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*Foot-mounted + small flange mounting (IEC 60034-7)

IM B35 - J609b (c25,4 / 35)
*Foot + flange mounting, SAE J609B tapered shaft, cone Ø 25.4 mm or Ø 35 mm.

IM B35 - B3/B9 (c30 / 38)
*Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 30 mm or Ø 38 mm

SAE5, SAE4, SAE3
*SAE flange mounting sizes

ER2 series
2-Pole/1-phase Heavy-Duty Steel Alternators, Brushless - Capacitor
Compact, brushless alternators with capacitor excitation for stable, self-regulated output at 3000/3600 rpm. Built for continuous or standby use, they offer maintenance-free operation, ±8% voltage accuracy, and IP23 protection with short-circuit capability over 3× nominal current. Compatible with IM B34, IM B35 (J609a/J609b) and C.23 couplings, the ER Series is ideal for mobile, industrial, agricultural, and backup generator applications.
-
Self-regulated
-
IP 23
-
Standard voltage: 230 V - 50 Hz
-
On request battery charger 12 Vdc 10A
-
Short circuit current greater than 3 In
-
Couplings: IM B34, IM B35
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*Foot-mounted + small flange mounting (IEC 60034-7)
Schuco socket=16
CEE sockets=47

IM B35 – J609a (c19)
*Foot + flange mounting, SAE J609A tapered shaft, cone Ø 19 mm.
Cone 19 not available on ER 2 CBT and ER 2 CBA

IM B35 - J609b (c25,4)
*Foot + flange mounting, SAE J609B tapered shaft, cone Ø 25.4 mm.
Schuco socket=16
CEE sockets=47

IM B35 - B3/B9 (c23)
*Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 30 mm or Ø 38 mm

ER/R2 series
2-Pole/1-phase Heavy-Duty Steel Alternators, BRUSHES - AVR
Brush-type alternators with integrated AVR for ±2% voltage regulation and stable output at 3000/3600 rpm. Compact and robust with IP23 protection, they offer high power density and reliable performance for generator sets, industrial backup, agricultural equipment, and sensitive electronics. Compatible with IM B34, IM B35 (J609a/J609b) and C.23 couplings.
-
Self-regulated
-
IP 23
-
Standard voltage: 230 V - 50 Hz
-
Voltage accuracy±2%
-
Couplings: IM B34, IM B35
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*Foot-mounted + small flange mounting (IEC 60034-7)
Schuco socket=16
CEE sockets=47

IM B35 – J609a (c19)
*Foot + flange mounting, SAE J609A tapered shaft, cone Ø 19 mm.
Cone 19 not available on ER 2 CBT and ER 2 CBA

IM B35 - J609b (c25,4)
*Foot + flange mounting, SAE J609B tapered shaft, cone Ø 25.4 mm.
Schuco socket=16
CEE sockets=47

IM B35 - B3/B9 (c23)
*Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 30 mm or Ø 38 mm

FK/R-FT/R steel series
Portable Synchronous Alternators
The Sincro FK/R and FT/R Series are robust, self-regulated synchronous alternators available in both single-phase (230 V) and three-phase (230/400 V) configurations. Designed with brush excitation and Digital AVR, they ensure stable voltage output and excellent performance across 2-pole (3000/3600 rpm) and 4-pole (1500/1800 rpm) models. With IP23 protection, multiple coupling options (IM B34, IM B35, SAE), and high short-circuit capacity (compound versions), these alternators are ideal for industrial, commercial, and mobile power generation applications.
-
Self-regulated
-
IP 23
-
Standard voltage: 230/400 V - 50 Hz
-
Short circuit current greater than 3 In (only compound)
-
Couplings: IM B34, IM B35, SAE DIGITAL
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*Foot-mounted + small flange mounting (IEC 60034-7)

IM B35 - J609b (c25,4 / 35)
*Foot + flange mounting, SAE J609B tapered shaft, cone Ø 25.4 mm or Ø 35 mm

IM B35 - B3/B9 (c30 / 38)
**Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 30 mm or Ø 38 mm

SAE5, SAE4, SAE3
*SAE flange mounting sizes

ET2, ET/R2-
2-poles/3-phase Synchronous low voltage AC alternators
The ET2 and ET/R2 series are 2-pole synchronous low-voltage AC alternators designed for three-phase portable and mobile generator sets.
ET2 (Brushes – Compound): Self-regulated design offering simple and reliable performance. ET/R2 (Brushes – AVR): Equipped with an Automatic Voltage Regulator for improved voltage stability under load variations.
Operating at 3000 rpm (50 Hz) or 3600 rpm (60 Hz), both series feature IP23 protection, 230/400 V output, and flexible couplings (IM B34, IM B35, SAE), ensuring compact size, durability, and easy integration.
-
Self-regulated
-
IP 23
-
Standard voltage: 230/400 V - 50 Hz
-
Couplings: IM B34, IM B35, SAE
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*Foot-mounted + small flange mounting (IEC 60034-7)

IM B35 - J609b (c22,14 / 25,4 / 35)
*Foot + flange mounting, SAE J609B tapered shaft, cone Ø 22.14 mm or Ø 25.4 mm or Ø 35 mm
Schuko sockets= 16
CEE sockets=47

IM B35 - B3/B9 (c23 / 30)
*Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 23 mm or Ø 30 mm

SAE5, SAE6
*SAE flange mounting sizes
*SAE6 only on request

FT2 – FT/R2 Series
2-poles/3-phase Synchronous low voltage AC alternators
The Sincro FT and FT/R2 series are compact 2-pole, three-phase synchronous low-voltage AC alternators equipped with brushes and either Compound or AVR regulation. Designed for 3000 rpm (50 Hz) or 3600 rpm (60 Hz) operation, they deliver reliable power in the 13–18 kVA range, with efficiencies above 82%.
Built with IP23 protection, self-regulated systems, and multiple coupling options (IM B34, IM B35, SAE), the FT/FT-R2 alternators are ideal for portable and mobile generators, agricultural PTO-driven units, and light industrial applications. Manufactured in Italy, they combine robust design with stable performance in demanding field conditions.
-
Self-regulated
-
IP 23
-
Standard voltage: 230/400 V - 50 Hz
-
Couplings: IM B34, IM B35, SAE
*Power (kVA) - 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 4/4 p.f. 1 (%) –Efficiency at full load and power factor 1
IM B34 - B3/B14
*Foot-mounted + small flange mounting (IEC 60034-7)

IM B35 - J609b (c25,4 / 35)
*Foot + flange mounting, SAE J609B tapered shaft, cone Ø 25.4 mm or Ø 35 mm

IM B35 - B3/B9 (c30 / 38)
*Foot-mounted or B9 variant mounting, with tapered shaft cone Ø 30 mm or Ø 38 mm

SAE5, SAE4, SAE3
*SAE flange mounting sizes
