Cummins generating set · 60 Hz
4U-C68 — 68 kVA prime / 75 kVA standby Cummins diesel generator
68 kVA prime / 75 kVA standby, powered by a Cummins 4BTAA3.3-G12 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.
- 68 kVA prime
- 75 kVA standby
- Cummins 4BTAA3.3-G12
- 1-year warranty
Output ratings
| Standby (ESP) | 75 kVA / 60 kW |
|---|---|
| Prime (PRP) | 68 kVA / 55 kW |
| Voltage / frequency | 480/277 V · 3-phase · 60 Hz · 1800 rpm (60 Hz build only) |
| Power factor | 0.8 |
| Other voltages | 380/220 · 415/240 · 440/254 · 480/277 V |
Engine
| Make / model | Cummins 4BTAA3.3-G12 |
|---|---|
| Cylinders | 4 |
| Displacement | 3.3 L |
| Bore × stroke | 95 × 115 mm |
| Aspiration | Turbocharged, air-to-air charge cooled |
| Governing | Mechanical |
| Cooling | Water cooled, radiator for 55 °C ambient |
| Coolant capacity | 13 L |
| Lube oil capacity | 7.9 L |
Alternator
| Make | 4U · Leroy-Somer | Stamford |
|---|---|
| Leroy-Somer frame | TAL-A42-H |
| Type | Self-excited, 4-pole, single bearing |
| Insulation / protection | Class H · IP23 |
| Voltage regulation | ± 1 % |
Fuel consumption
| 50 % prime load | 9 L/h |
|---|---|
| 75 % prime load | 13 L/h |
| 100 % prime load | 18 L/h |
| Standby rating | 20 L/h |
Dimensions & weight
| Base fuel tank | On request |
|---|
Control & protection
| Controller | Deep Sea (model on request) |
|---|---|
| Main breaker | On request |
| 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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