Description
Power you can count on when the grid cannot deliver. The DG1125P-1250S-F50-CU is a Cummins Powered diesel generator delivering 1125 kVA / 900 kW prime power and 1250 kVA / 1000 kW standby power. Built for industrial plants, hospitals, data facilities and large commercial complexes, it provides the capacity and resilience needed to keep essential operations running through utility outages, weak-grid conditions and demanding operating schedules.
At the heart of the set is a proven Cummins diesel engine platform, paired with a heavy-duty generating system designed for professional commercial and industrial installations. Strong load capability, three-phase output and dependable diesel performance make it a practical choice for businesses that cannot afford extended downtime.
Why Choose This Generator?
- Cummins Powered: proven diesel engine technology for demanding commercial and industrial power applications.
- Prime + standby capability: clearly defined operating ratings make it easier to size the generator correctly for the job.
- 50Hz three-phase power: configured for 400/230V electrical systems with PF0.8 performance.
- Built for critical operations: ideal where power interruptions can affect productivity, revenue, safety or service delivery.
- Project-ready: suitable for integration with ATS panels, generator controllers, remote monitoring and engineered distribution systems.
Technical Specifications
| Model / SKU | DG1125P-1250S-F50-CU |
|---|---|
| Power Platform | Cummins Powered |
| Engine Model | KTA38-G9 |
| Prime Rating (PRP) | 1125 kVA / 900 kW |
| Standby Rating (ESP) | 1250 kVA / 1000 kW |
| Frequency | 50 Hz |
| Phase | 3 Phase |
| Nominal Voltage | 400/230 V |
| Rated Power Factor | 0.8 |
| Engine Speed | 1500 rpm |
| Cooling | Water cooled |
| Fuel | Diesel |
| Reference Configuration | Open type generating set |
| Reference Dimensions | 447 × 177 × 237 cm |
| Reference Dry Weight | 8600 kg |
Designed Around Real Business Loads
This 1125 kVA prime generator is well suited to industrial plants, hospitals, data facilities and large commercial complexes and other installations requiring dependable three-phase power. It can form part of a complete standby-power system or be specified for prime-power duty where the operating profile allows.
Get the Right Generator, Not Just a Bigger Generator
Correct sizing matters. Motor starting currents, UPS systems, nonlinear loads, future expansion, ambient conditions and required runtime can materially affect generator selection. We can support load assessment, generator sizing, ATS selection and system integration so the final solution is matched to the actual site requirement.
Dimensions and dry weight are reference values for the listed open-set configuration. Final dimensions, weight, fuel-tank arrangement and optional equipment may vary with the selected build and project requirements.

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