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Cummins QSX15G4 Diesel Generator – 450 kVA

PowerLogic™ P7 Protection and Control Relay, Model REL72506

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Technical Specifications

Engine Specifications – Cummins QSX15-G4

Brand: Cummins

Model: QSX15-G4

Origin: USA

Manufacturing Countries: USA, UK, India

Prime Power: 466 hp

Standby Power: 516 hp

Displacement: 15 L

Cylinders: 6

Configuration: Inline

Aspiration: Turbocharged

Cooling System: Water-cooled

Governor: Electronic

Fuel Consumption:

50% load: 45.7 L/h

75% load: 67 L/h

100% load: 85.7 L/h

Rated Speed: 1500 rpm

Bore × Stroke: 137 × 169 mm

Compression Ratio: 17:1

Injection System: Direct Injection

Electrical System: 24V DC

Oil Capacity: 91 L

Fuel Tank Capacity: 380 L

Coolant Capacity: 42 L

Exhaust Temperature: 488°C

Exhaust Gas Flow: 87.78 m³/h

Cooling Air Flow: 708 m³/min

Dry Weight: 1658 kg

Alternator Specifications – Stamford HCI 434F/444F

Brand: Stamford

Model: HCI 434F/444F

Origin: UK

Prime Power: 400 kVA

Standby Power: 450 kVA

Frequency: 50 Hz

Insulation Class: H

Protection: IP23

Efficiency: 93.5%

Overload Capacity: 110%

Power Factor: 0.8

Poles: 4

Bearings: Single-bearing

Output Voltage: 400/230 V

Speed: 2250 rpm

Coupling Specifications

Prime Power: 409 kVA

Standby Power: 450 kVA

Prime kW: 327 kW

Standby kW: 360 kW

Power Supply: 24–34 V DC

Mounting Case Size: 40TE

Digital Inputs (DI): 24

Analog Inputs: 8 RTD (optional)

Digital Outputs (DO): 20

Communication Ports: 1 CAN, 1 Ethernet TCP/IP, 2 SFP, 1 USB

Protection Functions: Phase overcurrent (50/51), Ground fault (50N/51N), Sensitive earth fault (50G/51G), Motor differential (87M), Thermal overload (49), etc.

Dimensions: 205 x 180 x 280 mm (W x H x D)

Weight: 9.35 kg

Certifications: CE, cUL, UKCA

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