











Sincro SK280 Industrial Alternators 4-poles/ 3-phase (1500-1800 rpm)
€5,508.00
Sincro SK280 Alternators
4-Pole Synchronous Brushless/AVR | 1500/1800 RPM | 4-pole/3-phase
Advanced Synchronous Low Voltage AC Alternators for Industrial Applications
The Sincro SK280 series represents premium-grade synchronous alternator technology designed for demanding industrial power generation applications. These 4-pole brushless alternators with Automatic Voltage Regulation (AVR) deliver exceptional performance, reliability, and efficiency across diverse operating environments.
Technical Specifications
Core Parameters
Design Type: Synchronous low voltage AC alternators
Pole Configuration: 4-pole
Speed Ratings: 1500 RPM (50Hz) / 1800 RPM (60Hz)
Standards Compliance: EN 60034-1, IEC 60034-1, ISO 8528-3
Protection Degree: IP23 standard
Bearings: Heavy-duty dimensioned for industrial applications
Transient Performance: Less than 18% voltage drop for rated step load at 0.8 power factor
Tropicalization: Standard protection included
Electrical Performance
Short Circuit Current: > 300% of rated current (In)
Total Harmonic Distortion: < 2%
Telephone Harmonic Factor: < 2.5%
Underspeed Protection: Included in standard version
Winding Pitch: 2/3
Operating Conditions
Power ratings are based on the following reference conditions:
Ambient temperature: 40°C
Altitude: Below 1000m above sea level
Power factor: 0.8
Load type: Symmetrical, non-distorting
Stand-by Power Rating Conditions
Maximum ambient temperature: 27°C
Application: Continuous supply during utility power failure
Overload capability: No overloads permitted
Power Range Flexibility
The SK280 series offers an impressive power range from 146 kVA to 350 kVA at 50Hz (1500 RPM), and from 171 kVA to 407 kVA at 60Hz (1800 RPM) under S1 40/125°C class H conditions. This extensive range allows for precise matching to application requirements, optimizing both performance and cost-effectiveness.
Applications
The SK280 alternators are engineered for critical power applications including:
Prime power generation
Emergency standby power
Industrial manufacturing
Data centers and telecommunications
Healthcare facilities
Commercial and institutional buildings
Water management systems
Mining and remote operations
Key Benefits
Superior Electrical Performance
The SK280 series delivers exceptional voltage stability and waveform quality, with total harmonic distortion below 2%. The 2/3 pitch winding design minimizes harmonics and ensures compatibility with sensitive electronic loads.
Robust Mechanical Design
Engineered with heavy-duty bearings and industrial-grade components, the SK280 alternators provide reliable operation in demanding environments. The standard IP23 protection ensures appropriate safeguarding against environmental factors.
Thermal Management
Advanced thermal design enables operation in high ambient temperatures up to 40°C at full rated load, with specially engineered stand-by capabilities for emergency power applications.
Versatile Configuration Options
Available in multiple power ratings and voltage configurations to meet specific application requirements. Compatible with a wide range of prime movers and control systems.
High Efficiency
With efficiency ratings reaching up to 93.8% at 60Hz operation, the SK280 series minimizes fuel consumption and operating costs while maximizing power output.
Global Compliance
Built to meet international standards including EN 60034-1, IEC 60034-1, and ISO 8528-3, ensuring worldwide acceptance and regulatory compliance.
Maintenance and Support
The brushless design minimizes maintenance requirements while maximizing operational reliability. Sincro’s global service network provides comprehensive technical support throughout the product lifecycle.
Warranty
All SK280 alternators are backed by Sincro’s industry-leading warranty, reflecting our confidence in the quality and durability of our products.
Contact your Sincro representative today to determine the optimal SK280 configuration for your power generation requirements.
Technical Specifications
50 Hz (1500 RPM) Models:
Model |
S1 40/105°C cl. F |
S1 40/125°C cl. H |
Stand by 27/163°C |
Efficiency |
---|---|---|---|---|
SK 280 SL |
146 kVA |
160 kVA |
176 kVA |
91.6% |
SK 280 MS |
165 kVA |
180 kVA |
198 kVA |
91.9% |
SK 280 MM |
183 kVA |
200 kVA |
220 kVA |
92.2% |
SK 280 ML |
211 kVA |
230 kVA |
253 kVA |
92.5% |
SK 280 LS |
229 kVA |
250 kVA |
275 kVA |
92.8% |
SK 280 LM |
251 kVA |
275 kVA |
303 kVA |
92.9% |
SK 280 LL |
275 kVA |
300 kVA |
330 kVA |
93.1% |
SK 280 WM |
297 kVA |
325 kVA |
358 kVA |
93.2% |
SK 280 WL |
320 kVA |
350 kVA |
385 kVA |
93.3% |
60 Hz (1800 RPM) Models:
Model |
S1 40/105°C cl. F |
S1 40/125°C cl. H |
Stand by 27/163°C |
Efficiency |
---|---|---|---|---|
SK 280 SL |
171 kVA |
186 kVA |
205 kVA |
92.0% |
SK 280 MS |
192 kVA |
210 kVA |
231 kVA |
92.4% |
SK 280 MM |
213 kVA |
233 kVA |
256 kVA |
92.6% |
SK 280 ML |
244 kVA |
267 kVA |
294 kVA |
92.9% |
SK 280 LS |
267 kVA |
291 kVA |
320 kVA |
93.3% |
SK 280 LM |
293 kVA |
320 kVA |
352 kVA |
93.5% |
SK 280 LL |
320 kVA |
349 kVA |
384 kVA |
93.6% |
SK 280 WM |
346 kVA |
378 kVA |
416 kVA |
93.7% |
SK 280 WL |
373 kVA |
407 kVA |
448 kVA |
93.8% |
Note: Power ratings shown for 400V (50Hz) and 440V (60Hz). Different voltage options available: 380V/220V, 400V/230V, 415V/240V for 50Hz; 416V/240V, 440V/254V, 480V/277V for 60Hz. All efficiency values at power factor (p.f.) = 0.8
Dimensions
SK 280 SL 802x525x701 mm
SK 280 MS 912x525x701 mm
SK 280 MM 912x525x701 mm
SK 280 ML 912x525x701 mm
SK 280 LS 1012x525x701 mm
SK 280 LM 1012x525x701 mm
SK 280 LL 1012x525x701 mm
SK 280 WM 1152x525x701 mm
SK 280 WL 1152x525x701 mm
Catalog
Download main catalog Sincro 2 and 4 pole alternators for industrial gen-sets | IP23
Detailed information about the SK280 series:
Download catalog