Cummins C275D5EQ
- Standby:
- 275 kVA
- Voltage:
- 400 V
- Prime:
- 250 kVA
- Frequency:
- 50Hz
- Engine:
- Cummins QSL9‑G7
- Amps Per Phase:
- 396
- Alternator:
- Stamford UCD274K
- Control Panel:
- Cummins PowerCommand 1.2
The Cummins C275D5EQ Q‑Range generator delivers 275 kVA (220 kW) standby and 250 kVA (200 kW) prime power at 50Hz. Powered by the turbocharged and charge‑air cooled Cummins QSL9‑G7 Stage IIIa engine running at 1500 rpm and paired with a Stamford UCD274K alternator offering ±1 % voltage regulation.
Equipped with the PowerCommand 1.2 microprocessor control system—with automatic start/stop, diagnostics, fault protection, and metering. The weather‑protected and sound‑attenuated canopy is CE/UKCA compliant. Optional extras include extended fuel tanks, coolant heater, battery charger, and ATS.
Engine Specs
Engine Model
QSL9‑G7 (inline‑6, turbocharged & charge‑air cooled)
Rated Speed
1500 rpm
Bore × Stroke
114 × 145 mm
Compression Ratio
16.8 : 1
Lube Oil Capacity
26.5 L
Overspeed Limit
1800 ± 50 rpm
Governor Type
Electronic
Alternator Specs
Model
Stamford UCD274K
Insulation Class
H
Voltage Regulation
± 1 % (no‑load to full‑load)
Frequency Regulation
Isochronous / Droop control
Control Panel Specs
Controller Model
PowerCommand 1.2
Display
LED + LCD metering
Functions
Auto/manual start, AMF, diagnostics, protection, metering
Starting Voltage
24 V DC
Fuel & Consumption
Fuel Tank Capacity
≈ 995 L (base tank)
Fuel Consumption @ Full Load
≈ 62.5 L/hr (standby), ≈ 52.5 L/hr (prime)
Cooling & Air
Coolant Capacity
≈ 40 L
Combustion Air Flow
≈ 20.7 m³/min (standby), ≈ 20.5 m³/min (prime)
Ambient Rating
50 °C
Exhaust
Exhaust Temp
≈ 560 °C (standby), ≈ 500 °C (prime)
Exhaust Flow
≈ 53.0 m³/min (standby), ≈ 44.9 m³/min (prime)
Max Back Pressure
≈ 10.2 kPa
Dimensions & Weight
Open Set (L×W×H)
3135 × 1360 × 2018 mm
Enclosed Set (L×W×H)
4259 × 1424 × 2315 mm
Dry Weight (Open)
3,155 kg
Dry Weight (Enclosed)
≈ 4,125 kg
Standards & Accessories
Certifications
Stage IIIA / CE / UKCA
Optional Features
Battery charger, coolant heater, extended tank, ATS
Warranty
2 years or 500 h standby / 1 year unlimited prime