Multiquip DCA125USI manual Specifications

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DCA125USI

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

 

±0.5%

 

 

(No load to full load)

 

 

 

 

 

 

 

 

 

Power Factor

 

0.8

 

 

Frequency

 

 

 

60 Hz

 

Frequency Regulation:

 

Isochronous under varying loads from

No Load to Full Load

 

 

 

no load to 100% rated load

Frequency Regulation:

 

±0.25% of mean value for constant loads

Steady State

 

 

 

from no load to full load

Insulation

 

 

 

Class F

 

Sound Level dB(A)

 

65

 

 

Full load at 23 feet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

DCA125USI Rev 2

 

 

 

 

 

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

 

 

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.

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.

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Contents Standard Features DCA125USISpecifications Optional Generator Features Ultra-Silent FeaturesGenerator Output Panel Optional Control Features Optional Output ConnectionsDimensions Weight
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Manual 90 pages 60.3 Kb

DCA125USI specifications

The Multiquip DCA125USI is a high-performance portable diesel generator renowned for its reliability, efficiency, and robust construction, making it an ideal choice for construction sites, events, and remote locations requiring continuous power. Engineered for durability, this generator features a solid and compact design that allows seamless transport while providing ample power to meet demanding applications.

One of the standout features of the DCA125USI is its powerful 125 kVA output, capable of supplying electricity to a wide range of equipment simultaneously. With a fuel-efficient Tier 4 compliant engine, this generator not only delivers high performance but also addresses environmental concerns through reduced emissions. Operating at low noise levels, the DCA125USI ensures a quieter work environment, making it suitable for urban areas and noise-sensitive locations.

In terms of technology, the DCA125USI is equipped with a state-of-the-art digital control panel that offers advanced monitoring capabilities, allowing users to easily track the generator's performance, fuel consumption, and overall health. This user-friendly interface simplifies operation and enhances the overall experience for users, whether they are seasoned professionals or first-time operators. Additionally, the generator is fitted with automatic voltage regulation (AVR), which provides stable power output, protecting connected equipment from voltage fluctuations.

Safety is a priority with the Multiquip DCA125USI, as evidenced by its comprehensive set of protection features, including low oil pressure shutdown, high-temperature shutdown, and overload protection. These safety mechanisms ensure the longevity of the engine and the generator's components while safeguarding connected equipment against potential damage.

Another notable characteristic is its large fuel tank, which allows for extended run times, reducing the need for frequent refueling. This feature is particularly beneficial in situations where access to fuel is limited or where continuous operation is critical.

In conclusion, the Multiquip DCA125USI is a versatile and dependable portable diesel generator, catering to a wide variety of applications. Its combination of high output, advanced technology, and robust safety features make it an excellent investment for contractors, event organizers, and anyone in need of reliable power in challenging environments. With this generator, users can have peace of mind knowing they have a powerful energy solution at their disposal.