DCA600SSK
WhisperWatt Generator
Specifications
Generator Specifications
Design | Revolving field, | |
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No. of Poles | ||
Excitation | Brushless with AVR | |
Standby Output | 528 KW (660 KVA) | |
Prime Output | 480 KW (600 KVA) | |
Generator RPM | 1800 | |
Voltage — 3Ø | 208, 220, 240, 416, 440, 480V | |
Reconnectable | ||
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Voltage — 1Ø | 120, 127, 139, 240, 254, 277V Adjustable | |
Armature Connection | Star with neutral | |
Voltage Regulation | ±1.0% | |
(No load to full load) | ||
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Power Factor | 0.8 | |
Frequency | 60 Hz | |
Frequency Regulation: | Isochronous under varying loads from no | |
No Load to Full Load | load to 100% rated load | |
Frequency Regulation: | ±0.25% of mean value for constant loads | |
Steady State | from no load to full load | |
Insulation | Class F | |
Sound Level dB(A) | 75 | |
Full load at 23 feet | ||
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Engine Specifications |
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Make / Model | Komatsu / | |
Emissions | EPA Tier 2 Certified | |
Starting System | Electric | |
Design | Direct Injection, | |
Turbocharged, Aftercooled | ||
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Displacement | 23,150 cc | |
No. cylinders | 6 | |
Bore x Stroke (mm) | 170 x 170 | |
Gross Engine Power Output | 539 bhp (402 kWm) Standby | |
490 bhp (365 kWm) Prime | ||
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BMEP | 257 psi (1773 kPa) | |
234 psi (1612 kPa) | ||
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Piston Speed | 2008 ft./min. (10 m/s) | |
Compression Ratio | 14:1 | |
Engine Speed | 1800 rpm | |
Overspeed Limit | 2100 rpm | |
Oil capacity gallons (liters) | 16.1 (60.9) | |
Battery | 12V 200Ah x 2 (24V System) |
Fuel System
Maximum Fuel Flow (per hour) | Standby: 41 gallons (37 liters) | ||
Maximum Inlet Restriction (Hg) | 0.4 in. (9.8 mm) | ||
Maximum Return Restriction (Hg) | 3.9 in. (98 mm) | ||
Fuel Tank Capacity | 129.5 gallons (490 liters) | ||
Fuel Consumption | 33.9 | (128.3) | |
full load gph (lph) | |||
75% | load gph (lph) | 26.7 | (101.1) |
50% | load gph (lph) | 17.4 | (65.9) |
25% | load gph (lph) | 10.6 | (40.1) |
Cooling System |
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Fan Load | 18.8 hp (14 kW) | |
Coolant Capacity (with radiator) | 29.6 gallons (112 liters) | |
Coolant Flow Rate (per minute) | 197 gallons (744 liters) | |
Heat Rejection to Coolant (per minute) | Standby: 19715 Btu (20.8 MJ) | |
Prime: 17535 Btu (18.5 MJ) | ||
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Heat Radiated to Room (per minute) | Standby: 4151 Btu (4.38 MJ) | |
Prime: 3697 Btu (3.90 MJ) | ||
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Maximum Coolant Friction Head | 5.0 psi (34 kPa) | |
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Maximum Coolant Static Head | 45 feet (14 meters) | |
Ambient Temperature Rating | 95°F (35°C) | |
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Air |
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Combustion Air | Standby: 1815 cfm (51 m3/min) |
Prime: 1776 cfm (50 m3/min) | |
Maximum Air Cleaner Restriction | 30 in. H2O (7.0 kPa) |
Alternator Cooling Air | 3023 cfm (86 m3/min) |
Radiator Cooling Air | 18891 scfm (535 m3/min) |
Minimum Air Opening to Room | 46 sq.ft (4.26 sq.m) |
Minimum Discharge Opening | 16.5 sq.ft (1.5 sq.m) |
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Exhaust System
Gas Flow (full load) | 4555 cfm (129 m3/min) Standby | |
4449 cfm (126 m3/min) Prime | ||
Gas Temperature | 858°F (459°C) Standby | |
822°F (439°C) Prime | ||
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Maximum Back Pressure | 40 in. H2O (10 kPa) |
Amperage
Rated Voltage | Maximum Amps |
1Ø 120 Volt | 1333.3 amps (4 wire) |
1Ø 240 Volt | 666.7 amps (4 wire) |
3Ø 240 Volt | 1443.4 amps |
3Ø 480 Volt | 721.7 amps |
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Warranty*
Komatsu Engine
12 months from date of purchase or 1000 hours (whichever occurs first).
Generator
12 months from date of purchase or 1000 hours (whichever occurs first).
*Refer to the express written,
Backfeed to a utility system can cause electrocution and/or property damage. Do not connect to any building’s electrical system except through an approved device.
Specifications are subject to change without notice.
