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 m
3
/min)
Maximum Air Cleaner Restriction
13.6 in H
2
O (3.4 kPa)
Alternator Cooling Air
1459 cfm (41.3 m
3
/min)
Radiator Cooling Air
9182 cfm (260 m
3
/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. H
2
O (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.
