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:

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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