DCA600SSK
WhisperWatt Generator
WhisperWatt™ 600
Prime Rating: 480 kW (600 kVA)
Standby Rating: 528 kW (660 kVA)
60 Hertz
WhisperWatt™ Standard Features
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Complete engine analog instrumentation includes DC
ammeter, oil pressure gauge, water temp. gauge,
tachometer/hour meter, preheat indicator, manual engine
speed control, emergency shutdown monitors, and
emergency stop button.
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Heavy duty, turbocharged, aftercooled, direct
injection 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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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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Open delta alternator design provides virtually
unlimited excitation for maximum motor starting capability.
Automatic voltage regulator (AVR) provides precise
regulation.
Automatic safety shutdown system monitors the water
temperature, engine oil pressure, overspeed, and
overcrank. Warning lights indicate abnormal conditions.
Electronic governor system maintains frequency to
0.25%.
Full load acceptance of standby nameplate rating in
one step (NFPA 110, para 5-13.2.6).
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Auto start/stop control allows generator to start
automatically in the event of a commercial power failure.
Sound attenuated, weather resistant, steel housing
provides operation at 75 dB(A) at 23 feet. Fully lockable
enclosure allows safe unattended operation.
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.
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Internal fuel tank with direct reading fuel gauges are
standard.
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Simultaneous single and three phase power.
Emergency stop switch
Seven-stage powder coat paint provides durability and
weather protection.
EPA-MOH emissions certified.
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DCA600SSK
WhisperWatt Generator
Specifications
Generator Specifications
Design
Cooling System
Fan Load
Revolving field, self-ventilated,
drip-proof, single bearing
18.8 hp (14 kW)
Coolant Capacity (with radiator)
Coolant Flow Rate (per minute)
29.6 gallons (112 liters)
197 gallons (744 liters)
No. of Poles
Excitation
4-pole
Brushless with AVR
528 KW (660 KVA)
480 KW (600 KVA)
1800
Standby: 19715 Btu (20.8 MJ)
Prime: 17535 Btu (18.5 MJ)
Heat Rejection to Coolant (per minute)
Heat Radiated to Room (per minute)
Standby Output
Prime Output
Generator RPM
Standby: 4151 Btu (4.38 MJ)
Prime: 3697 Btu (3.90 MJ)
208, 220, 240, 416, 440, 480V
Reconnectable
Maximum Coolant Friction Head
Maximum Coolant Static Head
Ambient Temperature Rating
5.0 psi (34 kPa)
45 feet (14 meters)
95°F (35°C)
Voltage — 3Ø
Voltage — 1Ø
120, 127, 139, 240, 254, 277V Adjustable
Star with neutral
Armature Connection
Voltage Regulation
(No load to full load)
1.0%
Air
Power Factor
Frequency
0.8
Standby: 1815 cfm (51 m3/min)
Prime: 1776 cfm (50 m3/min)
60 Hz
Combustion Air
Frequency Regulation:
No Load to Full Load
Isochronous under varying loads from no
load to 100% rated load
Maximum Air Cleaner Restriction
Alternator Cooling Air
30 in. H2O (7.0 kPa)
3023 cfm (86 m3/min)
18891 scfm (535 m3/min)
46 sq.ft (4.26 sq.m)
Frequency Regulation:
Steady State
0.25% of mean value for constant loads
from no load to full load
Radiator Cooling Air
Insulation
Class F
Minimum Air Opening to Room
Minimum Discharge Opening
Sound Level dB(A)
Full load at 23 feet
16.5 sq.ft (1.5 sq.m)
75
Engine Specifications
Make / Model
Exhaust System
4555 cfm (129 m3/min) Standby
4449 cfm (126 m3/min) Prime
Komatsu / SA6D170AE-1
EPA Tier 2 Certified
Gas Flow (full load)
Emissions
858°F (459°C) Standby
822°F (439°C) Prime
Starting System
Electric
Direct Injection,
Turbocharged, Aftercooled
23,150 cc
Gas Temperature
Design
Maximum Back Pressure
40 in. H2O (10 kPa)
Displacement
No. cylinders
6
Amperage
Rated Voltage
1Ø 120 Volt
1Ø 240 Volt
3Ø 240 Volt
3Ø 480 Volt
Bore x Stroke (mm)
170 x 170
Maximum Amps
1333.3 amps (4 wire)
666.7 amps (4 wire)
1443.4 amps
539 bhp (402 kWm) Standby
490 bhp (365 kWm) Prime
257 psi (1773 kPa)
234 psi (1612 kPa)
2008 ft./min. (10 m/s)
Gross Engine Power Output
BMEP
721.7 amps
Piston Speed
Compression Ratio
Engine Speed
14:1
1800 rpm
Warranty*
Overspeed Limit
Oil capacity gallons (liters)
Battery
2100 rpm
Komatsu Engine
12 months from date of purchase or 1000 hours (whichever
occurs first).
16.1 (60.9)
12V 200Ah x 2 (24V System)
Generator
Fuel System
12 months from date of purchase or 1000 hours (whichever
occurs first).
Maximum Fuel Flow (per hour)
Maximum Inlet Restriction (Hg)
Maximum Return Restriction (Hg)
Fuel Tank Capacity
Standby: 41 gallons (37 liters)
0.4 in. (9.8 mm)
*Refer to the express written, one-year limited warranty sheet for additional
3.9 in. (98 mm)
information.
129.5 gallons (490 liters)
Fuel Consumption
full load gph (lph)
75% load gph (lph)
50% load gph (lph)
25% load gph (lph)
33.9 (128.3)
26.7 (101.1)
17.4 (65.9)
10.6 (40.1)
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.
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DCA600SSK
WhisperWatt Generator
Optional Control Features
❑
Remote speed adjust rheostat — allows for engine speed
adjustment from the control panel.
❑
Audible alarm — alerts operator of abnormal conditions.
Optional Fuel Cell Features
❑
Trailer fuel tank — a second fuel cell located in the trailer
allows for extended run time.
❑
Subbase 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.
Optional Generator Features
❑
Battery charger — provides fully automatic and self-
adjusting charging to the generator's battery system.
❑
Low coolant level shutdown — provides protection from
critically low coolant levels. Includes control panel warning
light.
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12 hours of minimum run time.
24 hours of minimum run time.
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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.
Optional Output Connections
Fuel / water separators — removes condensation from fuel
for extended engine life.
❑
Pin and Sleeve Connectors — provides industry standard
connectors for all voltage requirements.
Trailer mounted package — highway legal, drop deck,
semi-trailer with air brakes. Extra capacity fuel tanks are also
available.
❑
Output cable — available in any custom length and size
configuration.
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DCA600SSK
WhisperWatt Generator
Dimensions
Weight
Dry Weight
19,553 lbs (8,869 kg)
21,561 lbs (9,780 kg)
Wet Weight
Units mfg. by Denyo Mfg. Corp.
Your MQ Power dealer is:
MQ POWER
POST OFFICE BOX 6254
CARSON, CA 90749
310-537-3700
•
800-421-1244
FAX: 310-632-2656
E-MAIL: [email protected]
© COPYRIGHT 2005, MULTIQUIP INC.
Rev. 4 (7-05)
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