Cummins Series 24kW-506kW Diesel Generator Sets
As a generator set manufacturer and power system integrator, SWT focuses on complete genset design, assembly, control integration, enclosure engineering, factory testing and project-oriented configuration. Engine details are kept concise, while the product page emphasizes the performance and adaptability of the complete power system.
Product Range Overview
| Model | Frequency | Prime Power | Standby Power | Voltage | Engine Option | Typical Positioning |
| SCM30 | 50Hz | 22kW / 27.5kVA | 24kW / 30kVA | 380/400/415V | Cummins 4B3.9-G2 | Three-phase compact power solution |
| SCM30X | 60Hz | 22kW / 28kVA | 24kW / 30kVA | 220/127V | Cummins 4B3.9-G2 | 60Hz compact power solution |
| SC550 | 50Hz | 400kW / 500kVA | 440kW / 550kVA | 380/400/415V | Cummins KTA19-G4 | Industrial standby and prime power |
| SC550 | 50Hz | 400kW / 500kVA | 440kW / 550kVA | 380/400/415V | Cummins QSX15-G8 | Alternative SC550 configuration |
| SC633X | 60Hz | 460kW / 575kVA | 506kW / 633kVA | 440/254V | Cummins KTA19-G4 | High-capacity 60Hz power solution |
Key Highlights
- Wide capacity coverage from 24kW standby power to 506kW standby power for different project sizes.
- 50Hz and 60Hz models available for international market requirements.
- Open type, silent type and super silent configurations to match indoor, outdoor and noise-sensitive environments.
- Integrated control system with local and remote start, protection functions, event logs and optional communication interfaces.
- Factory load testing at 0%, 25%, 50%, 75%, 100% and 110% before delivery.
- Optional ATS and synchronizing system for automatic power transfer, multi-unit paralleling and future capacity expansion.
- Suitable for commercial buildings, factories, remote facilities, infrastructure projects and standby power systems.
Technical Specifications
| Parameter | SCM30 | SCM30X | SC550 | SC633X |
| Frequency | 50Hz | 60Hz | 50Hz | 60Hz |
| Rated Speed | 1500r/min | 1800r/min | 1500r/min | 1800r/min |
| Prime Power | 22kW / 27.5kVA | 22kW / 28kVA | 400kW / 500kVA | 460kW / 575kVA |
| Standby Power | 24kW / 30kVA | 24kW / 30kVA | 440kW / 550kVA | 506kW / 633kVA |
| Rated Voltage | 380/400/415V | 220/127V | 380/400/415V | 440/254V |
| Power Factor | 0.8 | 0.8 | 0.8 | 0.8 |
| Starting Mode | DC24V electrical start | DC24V electrical start | Project configuration | Project configuration |
| Operating Temperature | <=40 deg C | <=40 deg C | <=40 deg C | <=40 deg C |
| Altitude | <=1000m | <=1000m | <=1000m | <=1000m |
| Relative Humidity | <=60% | <=60% | <=60% | <=60% |
Note: When ambient temperature is higher than 40 deg C or altitude is higher than 1000m, output power may require correction. Excessive humidity requires corresponding protective measures.
Dimensions and Weight
| Model | Open Type | Silent Type | Super Silent Type |
| SCM30 | 2100 x 730 x 1570 mm / 850 kg | 2300 x 1030 x 1875 mm / 1060 kg | 2800 x 1120 x 1920 mm / 1505 kg |
| SCM30X | 2100 x 730 x 1570 mm / 830 kg | 2300 x 1030 x 1875 mm / 1060 kg | 2800 x 1120 x 1920 mm / 1479 kg |
| SC550 | 3600 x 1355 x 1910 mm / 3900 kg | 5100 x 1385 x 2280 mm / 4670 kg | 5500 x 2040 x 2520 mm / 6140 kg |
| SC633X | 3600 x 1355 x 1910 mm / 3830 kg | 5100 x 1385 x 2280 mm / 5530 kg | 5500 x 2040 x 2520 mm / 7500 kg |
Complete Genset System Configuration
The product range is configured as a complete generator set rather than a stand-alone engine product. The standard system includes engine, alternator, chassis, control box, controller for single unit, circuit breaker, industrial muffler, flange of muffler, bellow joint and shock absorber, with related technical documents supplied for installation and operation.
The alternator configuration supports H-class insulation and IP23 protection, while the control system provides LCD display, control and protection functions, parameter detection, local and remote start, event logs and optional communication interfaces.
Control System
- LCD screen with key operation for convenient local control.
- Multilingual display and user-friendly interface.
- Control and protection functions for the generator set.
- Engine and alternator parameter detection.
- Local and remote start capability.
- Event logs and configurable parameters through PC software.
- Optional RS485, Ethernet and cloud monitoring functions according to project requirements.
ATS Optional
An automatic transfer system can be configured for mains-to-mains or mains-to-generator applications. The ATS controller integrates measurement, display and control functions, and can show operating status and controller mode through the LCD screen.
- Microcomputer control with digital technology.
- LCD display for operating status, voltage and frequency data.
- Fast on-load switching between two power sources, subject to selected ATS configuration.
- Electrical and mechanical interlock design to help prevent short circuit between two power sources.
- Suitable for standby power systems in commercial, industrial and infrastructure applications.
SWT Paralleling System Optional
For projects requiring higher capacity or redundancy, SWT can provide a synchronizing and paralleling system for genset-to-genset or genset-to-grid applications. The system can support automatic start, automatic paralleling, load-based unit input or removal, automatic unloading and cooling after mains recovery, and customized PLC control according to project requirements.
- Up to 32 units can be configured for automatic synchronization depending on project design.
- One-machine-one-screen operation enables both independent and parallel operation.
- Automatic load-based unit management helps avoid low-load operation of large generator sets.
- Convenient for future capacity expansion by adding additional units.
Applications
- Commercial buildings and office complexes
- Manufacturing plants and industrial facilities
- Telecom stations and remote communication sites
- Hospitals, schools and public facilities
- Construction sites and temporary power projects
- Mining, oilfield and remote-area support facilities
- Standby power for infrastructure and utility projects
- Multi-unit power systems requiring ATS or paralleling control
Why Choose SWT
- Complete generator set integration: SWT provides system-level design, assembly, enclosure configuration, control integration and factory testing.
- Project-oriented customization: voltage, frequency, enclosure, control logic, ATS and paralleling options can be configured according to site requirements.
- Factory-tested reliability: each unit is tested under multiple load conditions before delivery.
- Flexible configuration: open, silent and super silent versions are available for different installation conditions.
- International project support: 50Hz and 60Hz solutions are available for different regional power standards.
Standard and Optional Accessories
| Standard Accessories | Optional Accessories |
| Test report; Certificate of quality; Schematic diagram; Installation manual; Operation manual | Daily fuel tank / bulk fuel tank; Residential silencer; Power cable |
| Engine; Alternator; Chassis; Control box; Controller for single unit | Anti-condensation heater; Battery charger; Water jacket heater; Oil heater |
| Circuit breaker; Industrial muffler; Flange of muffler; Bellow joint; Shock absorber | Fuel level sensor; Auto oil make-up device; Auto fuel filling device |
| Base tank for applicable models and project configurations | Soundproof enclosure; Containerized enclosure; Trailer; Exhaust pipe; Hot air discharge duct |
| Documentation package for installation, operation and project reference | RS485 extension module; Ethernet communication; Cloud monitor; ATS panel; Motorized circuit breaker; Synchronizing system; Spare parts |
FAQ
Q: What capacity range does this product page cover?
A: This page covers SWT Cummins series diesel generator sets from 24kW standby power to 506kW standby power, including 50Hz and 60Hz models.
Q: Can the generator set be supplied in silent configuration?
A: Yes. Open type, silent type and super silent configurations are available according to the model and project requirements.
Q: Can SWT provide 50Hz and 60Hz solutions?
A: Yes. The SCM30 and SC550 models are available in 50Hz configurations, while SCM30X and SC633X are configured for 60Hz applications.
Q: Can these generator sets support ATS?
A: Yes. ATS can be configured for mains-to-generator or mains-to-mains applications, subject to project requirements and selected switchgear.
Q: Can multiple generator sets run in parallel?
A: Yes. SWT can provide a paralleling system for multi-unit operation, load sharing, automatic start and future expansion.
Q: Does SWT manufacture the engine?
A: No. SWT is a generator set manufacturer and power system integrator. The page focuses on the complete generator set, control system, enclosure, testing and project configuration.
