Cummins generating set · 50 Hz
4U-C250 — 250 kVA prime / 270 kVA standby Cummins diesel generator
250 kVA prime / 270 kVA standby, powered by a Cummins 6LTAA8.9-G2 engine with a Leroy-Somer or Stamford alternator and Deep Sea controller. Supplied open or in a silent canopy, with delivery, installation and commissioning across the UAE.
- 250 kVA prime
- 270 kVA standby
- Cummins 6LTAA8.9-G2
- 1-year warranty
Output ratings
| Standby (ESP) | 270 kVA / 216 kW |
|---|---|
| Prime (PRP) | 250 kVA / 200 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 6LTAA8.9-G2 |
|---|---|
| Cylinders | 6 in-line |
| Displacement | 8.9 L |
| Bore × stroke | 114 × 145 mm |
| Aspiration | Turbocharged, air-to-air charge cooled |
| Governing | Electronic |
| Cooling | Water cooled, radiator for 50 °C ambient |
| Coolant capacity | 55.5 L |
| Lube oil capacity | 32.4 L |
Alternator
| Make | 4U · Leroy-Somer | Stamford |
|---|---|
| Leroy-Somer frame | TAL-A46-D |
| Type | Self-excited, 4-pole, single bearing |
| Insulation / protection | Class H · IP23 |
| Voltage regulation | ± 1 % |
Fuel consumption
| 50 % prime load | 29 L/h |
|---|---|
| 75 % prime load | 42 L/h |
| 100 % prime load | 56 L/h |
| Standby rating | 64 L/h |
Dimensions & weight
| Open set (L × W × H) | 2850 × 1420 × 2130 mm |
|---|---|
| Open set weight | 2,650 kg |
| Silent canopy (L × W × H) | 4414 × 1614 × 2217 mm |
| Canopy weight | 3,270 kg |
| Base fuel tank | 843 L |
| Noise @ 7 m | 82 dB(A) ± 3 |
Control & protection
| Controller | Deep Sea DSE6120 — auto start / AMF |
|---|---|
| Main breaker | 3-pole LS MCCB |
| 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.
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