DCA800SSK
WhisperWattTM Generator
WhisperWatt
800
Prime Rating: 640 kW (800 kVA)
Standby Rating: 704 kW (880 kVA)
60 Hertz
™
Standard Features
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Heavy duty, turbocharged, aftercooled, direct injection
diesel engine provides maximum reliability.
■
Brushless alternator reduces service and maintenance
requirements and meets temperature rise standards for
Class F insulation systems.
■
Open delta alternator design provides virtually unlimited
excitation for maximum motor starting capability.
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Automatic voltage regulator (AVR) provides precise
regulation.
■
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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Sound attenuated, weather resistant, steel housing
provides operation at 73 dB(A) at 23 feet. Fully lockable
enclosure allows safe unattended operation.
■
Internal fuel tank with direct reading fuel gauges are
standard.
■
E-Coat primer with polyurethane enamel finish coat.
■
Simultaneous single and three phase power.
■
Low coolant level shutdown system - provides protection
from critically low coolant levels. Includes control panel
warning light.
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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.
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.
Automatic safety shutdown system monitors the water
temperature, engine oil pressure, overspeed, and overcrank.
Warning lights indicate abnormal conditions.
Auto start/stop control allows generator to start
automatically in the event of a commercial power failure.
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.
Emergency stop switch
Battery switch
Voltage change over board allows easy to change voltages
as your applications require. 240/480 Buss Bar.
EPA emissions certified - Tier 2 emissions compliant.
DCA800SSK2 Rev 8
Specifications
DCA800SSK
WhisperWattTM Generator
Generator Specifications
Design
No. of Poles 4-pole
Excitation Brushless with AVR
Standby Output 704 KW (880 KVA)
Prime Output 640 KW (800 KVA)
Generator RPM 1800
Voltage — 3Ø 208, 220, 240, 416, 440, 480V Reconnectable
Voltage — 1Ø 120, 127, 139, 240, 254, 277V Adjustable
Armature Connection Star with neutral
Voltage Regulation
(No load to full load)
Power Factor 0.8
Frequency 60 Hz
Frequency Regulation:
No Load to Full Load
Frequency Regulation:
Steady State
Insulation Class F
Sound Level dB(A)
Full load at 23 feet
Revolving field, self-ventilated, drip-proof,
Single bearing
±0.5%
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
73
Engine Specifications
Make / Model Komatsu / SAA6D170E-3
Emissions EPA Tier 2 Certified
Starting System Electric
Design
Displacement 23150 cc
No. cylinders 6
Bore x Stroke (mm) 170 x 170
Gross Engine Power Output 1220 hp (909.7 kW)
BMEP 361 psi (2487 kPa)
Piston Speed 2008 ft./min. (10.2 m/s)
Compression Ratio 16.1 : 1
Engine Speed 1800 rpm
Overspeed Limit 2100 rpm
Oil capacity gallons (liters) 37.2 (141.0)
Battery 12V 200 Ah x 4 (24V system)
4-cycle, water-cooled
Direct Injection, Turbocharged,
Air-to-air Intercooled
Fuel System
Maximum Fuel Flow (per hour) 196 gallons (740 liters)
Maximum Inlet Restriction (Hg) 4 in. (101.6 mm)
Fuel Tank Capacity 129.5 gallons (490 liters)
Fuel Consumption gph lph
full load 41.3 156.5
75% load 30.8 116.4
50% load 22.6 85.9
DCA800SSK2 Rev 8
25% load 14.5 54.9
Cooling System
Fan Load 49.3 hp (36.8 kW)
Coolant Capacity (with radiator) 40.4 gallons (153.0 liters)
Coolant Flow Rate (per minute) 180 gallons (680 liters)
Heat Rejection to Coolant (per minute) 15277 Btu (16.1 MJ)
Heat Radiated to Engine (per minute) 6700 Btu (6.4 MJ)
Maximum Coolant Friction Head 18.6 psi (265 kPa)
Maximum Coolant Static Head 886 ft (27 meters)
Ambient Temperature Rating 104°F (40°C)
Air
Combustion Air 2350 cfm (66 m3/min)
Maximum Air Cleaner Restriction 30.1 in. H
Alternator Cooling Air 3023 cfm (86 m
Radiator Cooling Air 19423 cfm (505 m
O (7.5 kPa)
2
3
/min)
3
/min)
Exhaust System
Gas Flow (full load) 2435 cfm (69 m3/min)
Gas Temperature 842°F (450°C)
Maximum Back Pressure 56 in. H
O (14 kPa)
2
Amperage
Rated Voltage Maximum Amps
1Ø 120 Volt 1777.8 Amps (4 wire)
1Ø 240 Volt 888.9 Amps (4 wire)
3Ø 240 Volt 1924.6 Amps
3Ø 480 Volt 962.3 Amps
Main Line Circuit Breaker Rating 2500 Amps
Over Current Relay Trip Set Point 960 Amps
Warranty*
Komatsu Engine
12 months from date of purchase or 1000 hours (whichever occurs
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.
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.
Generator Output Panels
DCA800SSK
WhisperWattTM Generator
Optional Generator Features
❑
Battery charger — provides fully automatic and selfadjusting charging to the generator's battery system.
❑
Jacket water heater — for easy starting in cold weather
climates.
❑
Fuel/water separators remove condensation from fuel for
extended engine life.
❑
Special batteries — long life batteries provide extra engine
cranking power.
❑
Spring Isolaters — provides extra vibration protection for
standby applications.
❑
Trailer mounted package — highway legal, drop deck,
semi-trailer with air brakes. Extra capacity fuel tanks are also
available.
Optional Control Features
❑
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.
❑
12 hours of minimum run time.
❑
24 hours of minimum run time.
Optional Output Connections
❑
Pin and Sleeve Connectors — provides industry standard
connectors for all voltage requirements.
❑
Output cable — available in any custom length and size
configuration.
DCA800SSK2 Rev 8
Dimensions
DCA800SSK
WhisperWattTM Generator
Weight
Dry Weight 23634 lbs (10720 kg)
Wet Weight 25308 lbs (11479 kg)
Max. Lifting Point
Capacity
Units manufactured by Denyo Corp.
Your MQ Power dealer is:
30000 lbs (13610 kg)
© COPYRIGHT 2010, MQ POWER
Rev 8 (04-10) DCA800SSK2
MQ POWER
POST OFFICE BOX 6254
CARSON, CA 90749
310-537-3700 • 800-421-1244
FAX: 310-632-2656
E-MAIL: mq@multiquip.com
WEBSITE: www.mqpower.com
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