DCA150SSI
WhisperWattTM Generator
TM
WhisperWatt 150
Prime Rating: 120 kW (150 kVA)
Standby Rating: 132 kW (165 kVA)
60 Hertz
Standard Features
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Complete engine analog instrumentation includes DC
ammeter, oil pressure gauge, water temp. gauge, fuel level
gauge, tachometer/hour meter, manual engine speed
control, and emergency shutdown monitors.
Complete generator analog instrumentation includes
voltage regulator control, ammeter phase selector switch,
voltmeter phase selector switch, AC voltmeter, AC ammeter,
frequency meter, panel light, and circuit breaker.
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Heavy duty, 4-cycle, direct injection, turbocharged, air
to air intercooled diesel engine provides maximum
reliability.
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Brushless alternator reduces service and maintenance
requirements and meets temperature rise standards for
Class F insulation systems.
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Open delta alternator design provides virtually unlimited
excitation for maximum motor starting capability.
Automatic safety shutdown system monitors the water
temperature, engine oil pressure, overspeed, and overcrank.
Warning lights indicate abnormal conditions.
Automatic voltage regulator (AVR) provides precise
regulation.
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Electronic governor system maintains frequency to
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Auto start/stop control allows generator to start
0.25%.
automatically in the event of a commercial power failure.
Full load acceptance of standby nameplate rating in one
step (NFPA 110, para 5-13.2.6).
Complete power panel. Fully covered; three-phase
terminals and single phase receptacles allow fast and
convenient hookup for most applications including temporary
power boxes, tools and lighting equipment. All are NEMA
standard.
Sound attenuated, weather resistant, steel housing
provides operation at 69 dB(A) at 23 feet. Fully lockable
enclosure allows safe unattended operation.
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Internal fuel tank with direct reading fuel gauges are
standard.
Fuel/water separator removes condensation from fuel for
extended engine life.
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Heavy duty, 2 stage air filter assembly
Panel mounted, engine idle speed switch
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Seven stage powder coat paint provides durability and
weather protection.
Divided panel enclosure provides separation of DC and
AC components.
EPA emissions certified - Tier 3 emissions compliant.
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Internal mounted document box — inside of the housing
for easy document storage and access.
DCA150SSI Rev 0
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DCA150SSI
WhisperWattTM Generator
Specifications
Generator Specifications
Design
Cooling System
Fan Load
Revolving field, Self-ventilated
Drip-proof, Single bearing
5.6 hp (4.2 kW)
7.8 gal (29.5 L)
46 gal (173 L)
Coolant Capacity (with radiator)
Coolant Flow Rate (per minute)
Heat Rejection to Coolant (per minute)
Heat Rejection from Engine (per minute)
Maximum Coolant Friction Head
Maximum Coolant Static Head
Ambient Temperature Rating
No. of Poles
Excitation
4-pole
Brushless with AVR
4248 Btu (4.48 MJ)
1271 Btu (1.34 MJ)
9.7 psi (67 kPa)
29.5 ft (9.0 m)
Standby Output
Prime Output
132 kW (165 kVA)
120 kW (150 kVA)
Generator RPM
Voltage — 3Ø
Voltage — 1Ø
Armature Connection
1800
208, 220, 240, 416, 440, 480V Switchable
120, 127, 139, 240, 254, 277V Switchable
Star with neutral / Zig Zag
104°F (40°C)
Voltage Regulation
(No load to full load)
Power Factor
Air
Combustion Air
0.5%
364 cfm (10.3 m3/min)
25.0 in. H2O (6.25 kPa)
1352 cfm (38.3 m3/min)
7416 cfm (210 m3/min)
0.8
Maximum Air Cleaner Restriction
Alternator Cooling Air
Radiator Cooling Air
Frequency
60 Hz
Frequency Regulation:
No Load to Full Load
Frequency Regulation:
Steady State
Isochronous under varying loads from
no load to 100% rated load
0.25% of mean value for constant loads
from no load to full load
Exhaust System
Gas Flow (full load)
Gas Temperature
Insulation
Class F
69
844 cfm (23.9 m3/min)
887°F (475°C)
Sound Level dB(A)
Full load at 23 feet
Maximum Back Pressure
53.2 in H2O (13.3 kPa)
Engine Specifications
Make/Model
Amperage
Isuzu / 6HK1X
EPA Tier 3 Certified
Electric
Rated Voltage
Maximum Amps
333.3 Amps (4 wire)
166.7 Amps (4 wire)
361 Amps
Emissions
1Ø 120 Volt
Starting System
1Ø 240 Volt
4-cycle, watercooled, direct injection,
turbocharged, air to air intercooled
Design
3Ø 240 Volt
Displacement
No. cylinders
7790 cc
6
3Ø 480 Volt
180 Amps
Main Line Circuit Breaker Rating
Over Current Relay Trip Set Point
400 Amps
Bore x Stroke
Gross Engine Power Output
BMEP
115 x 125 mm
240 hp (179 kW)
173 psi (1190 kPa)
1480 ft ft/min (7.5 m/s)
17.5 : 1
180 Amps
Warranty*
Piston Speed
Compression Ratio
Engine Speed
Overspeed Limit
Oil capacity
Isuzu Engine
1800 rpm
12 months from date of purchase with unlimited hours or 24 months
from date of purchase with 2000 hours (whichever occurs first).
2070 rpm
10.6 gal (40.0 L)
12V 100 Ah x 2 (24V systems)
Generator
Battery
24 months from date of purchase or 2000 hours (whichever occurs
first).
Trailer
Fuel System
Recommended Fuel
ASTM-D975-No.1 and No. 2-D
31.7 gal (120 L)
12 months excluding normal wear items.
*Refer to the express written, one-year limited warranty sheet for additional
information.
Maximum Fuel Flow (per hour)
Maximum Inlet Restriction (Hg)
Fuel Tank Capacity
8.9 in. (225 mm)
74 gal (280 L)
Fuel Consumption
Generator is not intended for use in enclosed areas or where free flow of air is restricted.
full load gph (lph)
75% load gph (lph)
50% load gph (lph)
25% load gph (lph)
8.9 (33.6)
7.5 (28.3)
5.0 (19.0)
3.1 (11.9)
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.
DCA150SSI Rev 0
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DCA150SSI
WhisperWattTM Generator
Optional Generator Features
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Battery charger — provides fully automatic and self-
adjusting charging to the generator's battery system.
Jacket water heater — for easy starting in cold
weather climates.
Special batteries — long life batteries provide extra
engine cranking power.
Spring isolaters
—
provides extra vibration
protection for standby applications.
Trailer mounted package — highway legal trailer
with electronic or surge brakes with single or double
axle configuration. Extra capacity fuel tanks are also
available.
Optional Control Features
Generator Output Panel
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Audible alarm alerts operator of abnormal conditions.
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Low coolant level shutdown system provides
protection from critically low coolant levels. Includes
control panel warning light.
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Emergency stop switch
Optional Fuel Cell Features
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Trailer fuel tank — a second fuel cell located in the
trailer allows for extended run time.
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Sub-base fuel cells (double wall) — Additional fuel
cell for extended runtime operation. Contains a leak
sensor, low fuel level switch, and a secondary
containment tank. UL142 listed.
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12 hours of minimum run time.
24 hours of minimum run time.
Optional Output Connections
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Cam-Loks — provides quick disconnect alternative
to bolt-on connectors.
Pin and Sleeve Connectors — provides industry
standard connectors for all voltage requirements.
Output Cable — available in any custom length and
size configuration.
DCA150SSI Rev 0
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DCA150SSI
WhisperWattTM Generator
Dimensions
Weight
Dry Weight
5711 lb (2590 kg)
6417 lb (2910 kg)
Wet Weight
Manufactured by Denyo Co.
Your MQ Power dealer is:
MQ POWER
POST OFFICE BOX 6254
CARSON, CA 90749
310-537-3700
•
800-883-2551
FAX: 310-604-3831
E-MAIL: [email protected]
© COPYRIGHT 2008 MQ POWER
Rev 0 (06-08) DCA150SSI
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