Sdec Diesel Generator ARK-S 870 N5

ARK-S 870 N5 Diesel Generator – Heavy-Duty, High-Performance, and Reliable SDEC Power

The ARK-S 870 N5 diesel generator, engineered by Arken Generator, delivers 790 kVA prime and 870 kVA standby power, providing exceptional reliability, durability, and efficiency for industrial and commercial energy applications. Powered by the SDEC 6KTAA25-G32 6-cylinder, turbocharged, intercooled, water-cooled engine, it ensures outstanding fuel economy, long service life, and stable operation under continuous heavy loads. Its NEKRA ARK 6C alternator with electronic AVR guarantees ±1% voltage regulation and <5% THD, providing clean, stable, and consistent energy output. Built in compliance with ISO 8528 and ISO 3046 standards, the ARK-S 870 N5 operates quietly at 72.7 dBA, features a corrosion-resistant canopy, and comes with a 2-year or 1000-hour warranty, making it a dependable and efficient power generation solution for both continuous and standby applications.

Power Prime (kVA / kW)

790 / 632

Power Standby (kVA / kW)

870 / 696

Speed (r.p.m)

1500

Standard Voltage

400/230VAC

Power Factor(Cos Phi)

0,8
BrandSdec
Power PRP [kW]685
Model6KTAA25-G32
N° of Cylinders / Valves6/12
Engine Type4 Stroke
Displacement [lt]25,2
AspirationTurbocharger
Bore[mm] x Stroke[mm]170x185
Compression Ratio14.5:1
Air FilterReplaceable Element
Cooling MethodWater Cooled (water + %50 antifreeze)
Governor TypeElectronic
Electrical System24VDC
Battery Charger Current55A
Oil Capacity [lt]75
Exhaust Gas Flow PRP [m3/min]124,3
Exhaust Gas Temp. [°C]600
Air Flow PRP [m3/min]N/A
Cooling Air Flow PRP [m3/min]N/A
Starter Power (kW)9kW
Standard Battery Voltage [V]24VDC
Standard Battery Capacity4x105Ah
Standard Battery TypeMaintenance-Free Lead Acid
BrandNekra
ModelARK 6C
Voltage400 /230 VA
Number of Phase3
Power Factor0.8
Number of Poles4
Connection TypeStar
BearingSingle

Datasheet

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