Mitsubishi Diesel Generator ARK-M 1550 S5

ARK-M 1550 S5 Diesel Generator – Industrial-Grade 1540 kVA Standby Power with Mitsubishi S12R-PTA2 Engine

The ARK-M 1550 S5 diesel generator delivers 1400 kVA prime and 1500 kVA standby power at 1500 rpm, driven by the high-performance Mitsubishi S12R-PTA2 engine. Designed for continuous heavy-duty operation, this 12-cylinder turbocharged and aftercooled powerhouse ensures strong output stability, reduced fuel consumption, and excellent thermal efficiency. Paired with a STAMFORD S6L1D-H4 alternator, it offers 400/230 V clean power with <3% THD, Class H insulation, IP23 protection, and ±1% AVR-controlled voltage regulation. The ARK700E control panel enables advanced monitoring, event logging, and optional DSE integration for remote management. With ISO 9001:2015, CE, and TS ISO 8528 compliance, the ARK-M 1550 S5 is engineered for critical industrial environments requiring dependable large-scale power generation.

Power Prime (kVA / kW)

1300 / 1040

Power Standby (kVA / kW)

1540 / 1232

Speed (r.p.m)

1500

Standard Voltage

400/230VAC

Power Factor(Cos Phi)

0,8
BrandMitsubishi
Power PRP [kW]1195
ModelS12R-PTA2
N° of Cylinders / Valves12/48
Engine Type4
Displacement [lt]49,03
AspirationTurbocharged - Aftercooled
Bore[mm] x Stroke[mm]170X180
Compression Ratio13.5:1
Air FilterHeavy Duty
Cooling MethodWater Cooled (water + %50 antifreeze)
Total Coolant Capacity (lt)300
Governor TypeElectronic
Electrical System24VDC
Battery Charger Current30A
Oil Capacity [lt]180
Exhaust Gas Flow PRP [m3/min]253
Exhaust Gas Temp. [°C]N/A
Air Flow PRP [m3/min]96
Cooling Air Flow PRP [m3/min]1650
Starter Power (kW)2X7.5kW
Standard Battery Voltage [V]24VDC
Standard Battery Capacity4X150Ah
Standard Battery TypeMaintenance-Free Lead Acid
BrandStamford
ModelPRO40L E/4
Voltage400 /230 VA
Number of Phase3
Power Factor0,8
Number of Poles4
Connection TypeStar
BearingSingle

Datasheet

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