
DCA180SSI
WhisperWatt
TM
Generator
Generator Specifications
Design Revolving field, Self-ventilated,
Drip-proof, Single bearing
No. of Poles 4-pole
Excitation Brushless with AVR
Standby Output 158 KW (198 KVA)
Prime Output 144 KW (180 KVA)
Generator RPM 1800
Voltage - 3 phase 208, 220, 240, 415, 440, 480V Reconnectable
Voltage - single phase 120, 127, 139, 240, 254, 277V Adjustable
Armature Connection Star with neutral
Voltage Regulation
(No load to full load) ±0.5%
Power Factor 0.8
Frequency 60 Hz
Frequency Regulation:
No Load to Full Load
Isochronous under varying loads from
no load to 100% rated load
Frequency Regulation:
Steady State
±0.25% of mean value for constant loads
from no load to full load
Insulation Class F
Sound Level dB(A)
Full load at 23 feet 71
Engine Specifications
Make/Model Isuzu / 6HK1X
Emissions EPA Tier 3 Certified
Starting System Electric
Design 4-cycle, Watercooled, Direct injection,
Turbocharged, Charge air cooled
Displacement 7790 cc
No. cylinders 6
Bore x Stroke (mm) 115 x 125
Gross Engine Power Output 265 hp (197 kW)
BMEP 241 psi (1656 kPa)
Piston Speed 1480 ft/min (7.5 m/s)
Compression Ratio 17.5 : 1
Engine Speed 1800 rpm
Overspeed Limit 2070 rpm
Oil capacity gallons (liters) 10.6 (40.0)
Battery 12V 100 Ah x 2 (24V systems)
Fuel System
Recommended Fuel ASTM-D975-No.1 or No. 2-D
Maximum Fuel Flow (per hour) 31.7 gal. (120 L)
Maximum Inlet Restriction (Hg) 5.7 in. (150 mm)
Fuel Tank Capacity 100 gal. (380 L)
Fuel Consumption gph lph
full load 10.6 40.0
75% load 8.0 30.1
50% load 6.1 23.1
25% load 3.7 14.0
Cooling System
Fan Load 8.0 hp (6.0 kW)
Coolant Capacity (with radiator) 7.2 gal. (27.2 L)
Coolant Flow Rate (per minute) 43.0 gal. (160 L)
Heat Rejection to Coolant (per minute) 5699 Btu (6.0 MJ)
Maximum Coolant Friction Head 8.5 psi (59 kPa)
Maximum Coolant Static Head 29.5 ft. (9.0 m)
Ambient Temperature Rating 104°F (40°C)
Air
Combustion Air 435 cfm (12.3 m3/min)
Maximum Air Cleaner Restriction 13.6 in H2O (3.4 kPa)
Alternator Cooling Air 1459 cfm (41.3 m3/min)
Radiator Cooling Air 9182 cfm (260 m3/min)
Exhaust System
Gas Flow (full load) 1112 cfm (31.5 m3/min)
Gas Temperature 1022°F (550°C)
Maximum Back Pressure 53.2 in. H2O (13.3 kPa)
Amperage
Rated Voltage Maximum Amps
1Ø 120 Volt 400 Amps (4 wire)
1Ø 240 Volt 200 Amps (4 wire)
3Ø 240 Volt 433 Amps
3Ø 480 Volt 216 Amps
Main Line Circuit Breaker Rating 500 Amps
Over Current Relay Trip Set Point 216 Amps
Generator is not intended for use in enclosed areas or where free flow of air is restricted.
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.
DCA180SSI Rev 0
Warranty*
Isuzu Engine
12 months from date of purchase with unlimited hours or 24 months
from date of purchase with 2000 hours (whichever comes first).
Generator
24 months from date of purchase or 2000 hours (whichever occurs
first).
Trailer
12 months excluding normal wear items.
*Refer to the express written, one-year limited warranty sheet for additional
information.