
Cummins C1250D5AB
- Standby:
- 1250 kVA
- Voltage:
- 380‑440 V
- Prime:
- 1125 kVA
- Frequency:
- 50Hz
- Engine:
- Cummins KTA38‑G9
- Amps Per Phase:
- 1800
- Alternator:
- Stamford S6G
- Control Panel:
- Cummins PowerCommand 3.3
The Cummins C1250D5AB is a robust open diesel generator delivering 1250 kVA standby and 1125 kVA prime power at 50 Hz. It features the Cummins KTA38‑G9 V12 turbocharged, after‑cooled engine paired with a Stamford S6G alternator. Managed by a PowerCommand 3.3 control panel for fully automatic operation, protection, and diagnostics.
Engine Specs
Engine Model
KTA38‑G9 (60° V12, turbocharged and after‑cooled)
Rated Speed
1 500 rpm
Bore × Stroke
159 × 159 mm
Lube Oil Capacity
135 L
Overspeed Limit
1 850 rpm ±50
Governor Type
Electronic
Starting Voltage
24 V DC
Gross Engine Power
1089 kWm
Regenerative Power
86 kWm
Emission Level
Unregulated
Alternator Specs
Model
Stamford S6G
Control Panel Specs
Controller Model
PowerCommand 3.3
Fuel & Consumption
Standby @¼ load
79 L/hr
Standby @½ load
137 L/hr
Standby @¾ load
196 L/hr
Standby @full load
256 L/hr
Prime @¼ load
75 L/hr
Prime @½ load
126 L/hr
Prime @¾ load
186 L/hr
Prime @full load
244 L/hr
Max Fuel Flow
428 L/hr
Cooling & Air
Combustion Air Flow
78.6 m³/min
Coolant Capacity (with radiator)
229 L
Ambient Design Temperature
45 °C
Fan Load
23.7 kWm
Exhaust
Exhaust Gas Flow (Standby)
212.4 m³/min
Exhaust Gas Temperature
529 °C
Max Back Pressure
10 kPa
Dimensions & Weight
Open Set (L×W×H)
4722 × 1785 × 2241 mm
Dry Weight (Open)
8179 kg
Wet Weight (Open)
8569 kg
Standards & Accessories
Voltage Regulation
±1 % electronic
THD (Total Harmonic Distortion)
≤2 %
Battery Charger
Included
Water Heater
Included
Optional Enclosure
Available (acoustic/weatherproof)