Cummins generating set · 50 Hz
4U-C1250 — 1,250 kVA prime / 1,375 kVA standby Cummins diesel generator
1250 kVA prime / 1375 kVA standby, powered by a Cummins KTA50-G3 engine with a Leroy-Somer or Stamford alternator and Deep Sea controller. Supplied open or in a silent canopy or container, with delivery, installation and commissioning across the UAE.
- 1250 kVA prime
- 1375 kVA standby
- Cummins KTA50-G3
- 1-year warranty
Output ratings
| Standby (ESP) | 1,375 kVA / 1,100 kW |
|---|---|
| Prime (PRP) | 1,250 kVA / 1,000 kW |
| Voltage / frequency | 400/230 V · 3-phase · 50 Hz · 1500 rpm |
| Power factor | 0.8 |
| Other voltages | 380/220 · 415/240 · 440/254 · 480/277 V |
Engine
| Make / model | Cummins KTA50-G3 |
|---|---|
| Cylinders | 16 in 60° V |
| Displacement | 50.3 L |
| Bore × stroke | 159 × 159 mm |
| Aspiration | Turbocharged & aftercooled |
| Governing | Electronic |
| Cooling | Water cooled, radiator for 55.6 °C ambient |
| Coolant capacity | 152 L |
| Lube oil capacity | 177 L |
Alternator
| Make | 4U · Leroy-Somer | Stamford |
|---|---|
| Leroy-Somer frame | LSA50.2 M |
| Stamford frame | S6L1D-H41 |
| Type | Self-excited, 4-pole, single bearing |
| Insulation / protection | Class H · IP23 |
| Voltage regulation | ± 1 % |
Fuel consumption
| 50 % prime load | 139 L/h |
|---|---|
| 75 % prime load | 199 L/h |
| 100 % prime load | 261 L/h |
| Standby rating | 293 L/h |
Dimensions & weight
| Open set (L × W × H) | 5000 × 2000 × 2496 mm |
|---|---|
| Open set weight | 10,100 kg |
| Container | 30 ft container |
| Containerised weight | 14,600 kg |
| Base fuel tank | External day tank (sized to site) |
| Noise @ 7 m | 88 dB(A) ± 3 |
Control & protection
| Controller | Deep Sea DSE6120 — auto start / AMF |
|---|---|
| Main breaker | Schneider ACB |
| Shutdowns & alarms | Over/under speed & voltage, over-current, low oil pressure, high engine temperature, battery, start/stop failure, emergency stop |
| Warranty | 12 months or 1,000 running hours, whichever first |
- Prime (PRP): unlimited hours at an average 80 % load over each 24 h, with 10 % overload for 1 h in every 12 h.
- Standby (ESP): up to 500 h a year at an average 80 % load during mains failure; no overload.
- Options: silent canopy or container, external tank (500–5,000 L), ATS panel, synchronising, 55 °C radiator, engine heaters.
Request this spec
Typical reply: within 1 working hour on WhatsApp
Nearby models
| Model | Standby kVA | Prime kVA | Engine | Fuel 100% (L/h) | Datasheet |
|---|---|---|---|---|---|
| 4U-C1000 | 1,100 | 1,000 | Cummins KTA38-G14 | 209 | Datasheet |
| 4U-C1000B | 1,100 | 1,000 | Cummins QST30-G4 | 202 | Datasheet |
| 4U-C1250 | 1,375 | 1,250 | Cummins KTA50-G3 | 261 | Datasheet |
| 4U-C1416 | 1,650 | 1,416 | Cummins KTA50-G8 | 289 | Datasheet |
| 4U-C1500 | 1,650 | 1,500 | Cummins KTA50-GS8 | 309 | Datasheet |