Cummins SC250 / SC250X Diesel Generator Sets
The SWT Cummins SC250 / SC250X diesel generator series is designed for reliable industrial and commercial power supply. As a generator set manufacturer and power system integrator, SWT focuses on complete genset configuration, enclosure design, control integration, factory testing and project-specific adaptation rather than standalone engine promotion.
This product page covers the SC250 50Hz model and SC250X 60Hz model, with open type, silent type and super silent configurations available for different installation environments and noise-control requirements.
Key Highlights
- 180-200kW class diesel generator sets for medium-size industrial and commercial power needs.
- 50Hz and 60Hz configurations available for different regional power systems.
- Open type, silent type and super silent type options for flexible installation.
- Integrated control system with local/remote start, event logs and multi-language display.
- Optional ATS for mains/generator automatic transfer.
- Optional SWT paralleling system for multi-unit or grid-related applications.
- Factory load test covering 0%, 25%, 50%, 75%, 100% and 110% load conditions.
Model Comparison
| Model | Frequency | Prime Power | Standby Power | Voltage | Speed | Power Factor |
| SC250 | 50Hz | 180kW / 225kVA | 200kW / 250kVA | 380/400/415V | 1500r/min | 0.8 |
| SC250X | 60Hz | 182kW / 228kVA | 200kW / 250kVA | 220/127V | 1800r/min | 0.8 |
Dimensions and Weight
| Model | Configuration | Dimensions L x W x H (mm) | Weight (kg) |
| SC250 | Open type | 2800 x 1090 x 1715 | 1980 |
| SC250 | Silent type | 3930 x 1120 x 2100 | 2970 |
| SC250 | Super silent type | 3920 x 1380 x 2220 | 3320 |
| SC250X | Open type | 2680 x 860 x 1600 | 1780 |
| SC250X | Silent type | 3200 x 1100 x 2110 | 2420 |
| SC250X | Super silent type | 3540 x 1120 x 2120 | 2833 |
Technical Specifications
| Item | SC250 | SC250X |
| Engine brand / model match | Cummins DCEC / 6LTAA8.9-G2 | Cummins DCEC / 6CTAA8.3-G2 |
| Alternator rating | 160kW / 200kVA | 196kW / 245kVA |
| Alternator voltage | 380/400/415V | 220/127V |
| Alternator frequency | 50Hz | 60Hz |
| Insulation / temperature rise class | Class H / Class H | Class H / Class H |
| Protection grade | IP23 | IP23 |
| Phase | 3-phase | 3-phase |
| Start mode | DC24V electric start | DC24V electric start |
| Operating conditions | ≤40°C, ≤1000m altitude, ≤60% humidity | ≤40°C, ≤1000m altitude, ≤60% humidity |
Note: For high ambient temperature, high altitude or high humidity environments, derating and corresponding engineering measures may be required. Final configuration should follow the official quotation and project requirements.
Control System
- LCD screen with key operation and multilingual display.
- Local and remote start functions.
- Engine and alternator parameter detection.
- Control and protection functions for safe operation.
- Event logs and parameter configuration through PC software.
- Voltage and current measurement, fuel quantity detection and low oil level alarm.
- Generator/mains circuit breaker control and upgradeable firmware.
ATS Optional
An automatic transfer system can be configured for mains/mains or mains/generator applications. The ATS controller integrates measurement, display and control functions, and can support fast on-load switching, voltage/frequency monitoring and electrical/mechanical interlocking depending on the selected configuration.
SWT Paralleling System Optional
For multi-unit projects, SWT can provide a paralleling system for genset-to-genset, genset-to-grid and paralleling-with-ATS applications. The system can synchronize up to 32 units automatically and adjust the number of operating units according to load demand, supporting capacity expansion and flexible project deployment.
Applications
- Industrial plants and workshops
- Commercial buildings and public facilities
- Construction sites and temporary power supply
- Telecom and communication facilities
- Water treatment and municipal infrastructure
- Hospitals, schools and emergency backup power
- Rental power and project-based standby power
Why Choose SWT
- Complete generator set integration: engine, alternator, control cabinet, enclosure, fuel system and accessories can be configured as a complete solution.
- Flexible configuration: open, silent and super silent designs are available for different installation and noise-control requirements.
- Project-oriented engineering: voltage, control, ATS, monitoring, fuel supply and enclosure options can be adapted to customer requirements.
- Factory testing: each unit is inspected and load-tested before delivery.
- System capability: SWT can provide single-unit power supply, ATS integration and multi-unit paralleling solutions.
Standard Accessories
- Engine
- Alternator
- Chassis
- Control box
- Controller for single unit
- Circuit breaker (up to 1200kW)
- Industrial muffler
- Flange of muffler
- Bellow joint
- Shock absorber
- Base tank (up to 200kW)
- Test report
- Certificate of quality
- Schematic diagram
- Installation manual
- Operation manual
Optional Accessories
- Daily fuel tank / bulk fuel tank
- Residential silencer
- Power cable
- Anti-condensation heater for alternator
- Battery charger
- Water jacket heater
- Oil heater
- Fuel level sensor
- Auto oil make-up device
- Auto fuel filling device
- Soundproof enclosure
- Containerized enclosure
- Trailer
- Exhaust pipe
- Hot air discharge duct
- RS485 extension module
- Ethernet communication
- Cloud monitor
- ATS panel
- Motorized circuit breaker
- Synchronizing system
- Spare parts
- Deepsea / ComAp / SmartGen controller options
FAQ
What is the difference between SC250 and SC250X?
SC250 is the 50Hz version with 180kW / 225kVA prime power, while SC250X is the 60Hz version with 182kW / 228kVA prime power. Both models provide 200kW / 250kVA standby power.
Can SWT provide a silent configuration?
Yes. Open type, silent type and super silent type configurations are available. The final enclosure design can be selected according to installation space, ventilation and noise-control requirements.
Can this generator set work with ATS?
Yes. ATS can be supplied as an optional configuration for automatic switching between mains and generator power.
Can multiple units operate in parallel?
Yes. SWT can provide a paralleling system for multi-unit synchronization and load-based unit management.
Can the generator be customized for a specific project?
Yes. SWT can customize voltage, control system, enclosure, fuel system, monitoring and other options according to project requirements.
