MULTIQUIP DCA125USI3CAN Manuel utilisateur
dca125usi3caN — MQ POWER ultRa-silENt sERiEs — REv. #0 (06/05/13)
DCA125USI3CAN
MQ POWER Ultra-Silent Series
WhisperWatt™ 125
Prime Rating — 100 kW (125 kVA)
Standby Rating — 110 kW (137 kVA)
60 Hertz
STANDARD FEATURES
Heavy duty, 4-cycle, direct injection, turbocharged, air to air
intercooled 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.
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).
Sound attenuated, weather resistant, steel housing provides
operation at 65 dB(A) at 23 feet. Fully lockable enclosure
allows safe unattended operation.
Internal fuel tank with direct reading fuel gauges are standard.
E-coat and powder coat paint provide durability and weather
protection.
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.
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.
Fuel/water separator removes condensation from fuel for
extended engine life.
Tier 3 emissions compliant.
dca125usi3caN — MQ POWER ultRa-silENt sERiEs — REv. #0 (06/05/13)
DCA125USI3CAN
MQ POWER Ultra-Silent Series
SPECIFICATIONS
Generator Specifications
Design Revolving field, Self-ventilated
Drip-proof, Single bearing
No. of Poles 4-pole
Excitation Brushless with AVR
Standby Output 110 KW (137 KVA)
Prime Output 100 KW (125 KVA)
Generator RPM 1800
Voltage — 3Ø 208, 220, 240, 416, 440, 480V Switchable
Voltage — 1Ø 120, 127, 139, 240, 254, 277V Switchable
Armature Connection Star with neutral / Zig Zag
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 65
Engine Specifications
Make/Model Isuzu / 4HK1X
Emissions EPA Tier 3 Certified
Starting System Electric
Design 4-cycle, watercooled, direct injection,
turbocharged, air to air intercooled
Displacement 5193 cc
No. cylinders 4
Bore x Stroke (mm) 115 x 125
Gross Engine Power Output 170.3 hp (127 kW)
HP at Rated Speed 152.3 hp (113.6 kW)
BMEP 212 psi (1458 kPa)
Piston Speed 1480 ft/min (7.50 m/s)
Compression Ratio 17.5 : 1
Engine Speed 1800 rpm
Overspeed Limit 2070 rpm
Oil capacity gallons (liters) 6.1 (23.4)
Battery 12V 128 Ah x 1
Fuel System
Recommended Fuel ASTM-D975-No.1 and No. 2-D
Maximum Fuel Flow (per hour) 19.0 gal (71.0 L)
Maximum Inlet Restriction (Hg) 8.9 in (225 mm)
Fuel Tank Capacity 169 gal (640 L)
Fuel Consumption gph lph
at full load 7.3 27.6
at 3/4 load 5.7 21.7
at 1/2 load 4.0 15.1
at 1/4 load 2.4 9.1
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.
Cooling System
Fan Load 4.4 hp (3.3 kW)
Coolant Capacity (with radiator) 5.2 gal (19.7 L)
Coolant Flow Rate (per minute) 48 gal (180 L)
Heat Rejection to Coolant (per minute) 3500 Btu (3.7 MJ)
Heat Rejection from Engine (per minute) 1040 Btu (1.1 MJ)
Maximum Coolant Friction Head 6.5 psi (45.0 kPa)
Maximum Coolant Static Head 29.5 ft (9.0 m)
Ambient Temperature Rating 104°F (40°C)
Air
Combustion Air 297 cfm (8.4 m3/min)
Maximum Air Cleaner Restriction 25.0 in H2O (6.25 kPa)
Alternator Cooling Air 1352 cfm (38.3 m3/min)
Radiator Cooling Air 2944 cfm (83 m3/min)
Exhaust System
Gas Flow (full load) 738 cfm (20.9 m3/min)
Gas Temperature 986°F (530°C)
Maximum Back Pressure 53.2 in/H2O (13.3 kPa)
Amperage
Rated Voltage Maximum Amps
1Ø 120 Volt 277.8 Amps (4 wire)
1Ø 240 Volt 138.9 Amps (4 wire)
3Ø 240 Volt 300 Amps
3Ø 480 Volt 150 Amps
Main Line Circuit Breaker Rating 300 Amps
Over Current Relay Trip Set Point 152 Amps
NOTICE
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.
dca125usi3caN — MQ POWER ultRa-silENt sERiEs — REv. #0 (06/05/13)
DCA125USI3CAN
MQ POWER Ultra-Silent Series
ULTRA-SILENT FEATURES
Low Noise Muffler — Large capacity low noise muffler
minimizes exhaust sound.
Soundproof Casing — The new design divides the cabinet into
three sections, separating the engine, muffler and radiator for more
efficient cooling and reduces noise from the engine and fans.
New Cooling System — An advanced design uses two
separate air intake systems to cool the generator.The engine
fan draws air in to cool the engine and generator housing while
a second electric fan directly cools the radiator. With less air
being drawn into the generator through each fan, considerably
less noise is produced through the top of the generator.
Environmental Design — Constructed using an integrated
environmental skid and fuel tank. This design fully contains fuel
leakage and any liquid that might leak from the engine such as
lube oil or radiator coolant. All potentially hazardous liquids are
contained without contaminating the surrounding area.
Outside
Air
Electric Fan Radiator
Diesel
engine Control
box
Outside air
AC generator
Flow of Cooling Air
GENERATOR OUTPUT PANEL
OPTIONAL CONTROL FEATURES
Audible alarm alerts operator of abnormal conditions.
Low coolant level shutdown system provides
protection from critically low coolant levels. Includes
control panel warning light.
Emergency stop switch
Cold weather kit
OPTIONAL GENERATOR FEATURES
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 isolators — provides extra vibration protection for
standby applications.
Trailer mounted package — highway legal, double axle
trailer with electronic or surge brakes.
OPTIONAL OUTPUT CONNECTIONS
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.
DCA125USI3CAN
MQ POWER Ultra-Silent Series
Multiquip
POST OFFICE BOX 6254
CARSON, CA 90749
310-537-3700 • 800-883-2551
FAX: 310-604-3831
E-MAIL: sales@multiquip.com
WEBSITE: www.multiquip.com
Manufactured by Denyo Co.
Your Multiquip dealer is:
© COPYRIGHT 2013 MULTIQUIP INC.
DCA125USI3CAN Rev. #0 (06/05/13)
DIMENSIONS
17.1 in
(435 mm)
73.0 in
(1855 mm)
55.9 in
(1420 mm)
48.8 in
(1240 mm)
46.1 in
(1170 mm)
4.5 in (114.3 mm)
35.4 in
(900 mm)
35.4 in
(900 mm)
120.1 in
(3050 mm)
35.4 in
(900 mm)
32.1 in
(815 mm)
10.6 in
(270 mm)
14.2 in
(360 mm)
5.9 in
(150 mm)
37 in
(940 mm)
36.2 in
(920 mm)
36.2 in
(920 mm)
37 in
(940 mm)
42.5 in
(1080 mm)
Generator can be placed on an MQ
Power Model TRLR125US Tandem
Axle Trailer.
Weight
Dry Weight 6,019 lbs. (2,730 kg)
Wet Weight 7,342 lbs. (3,330 kg)
Max. Lifting
Point Capacity 14,050 lbs. (6,370 kg)
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