Multiquip DCA250SSI manual Warranty

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DCA250SSI

WhisperWattTM Generator

Generator Specifications

Design

 

 

 

Revolving field, Self-ventilated

 

 

 

Drip-proof, Single bearing

 

 

 

 

No. of Poles

 

 

 

 

4-pole

Excitation

 

 

 

 

Brushless with AVR

Standby Output

 

 

 

 

220 kW (275 kVA)

Prime Output

 

 

 

 

200 kW (250 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

 

 

±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)

 

 

68

Full load at 23 ft

 

 

 

 

 

 

 

 

 

 

 

Engine Specifications

 

 

 

Make/Model

 

 

 

Isuzu / 6UZ1X

Emissions

 

 

 

EPA Tier 3 Certified

Starting System

 

 

 

Electric

 

 

 

 

 

 

Design

 

 

4-Cycle, Water cooled, Direct injection,

 

 

 

Turbocharged, Air cooled

 

 

 

 

 

Displacement

 

 

 

9839 cc

 

 

 

 

 

No. cylinders

 

 

6

 

 

 

 

 

Bore x Stroke (mm)

 

 

 

120 x 145

Gross Engine Power Output

 

 

348 hp (259 kW)

BMEP

 

 

 

252 psi (1735 kPa)

Piston Speed

 

 

 

1713 ft/min (8.7 m/s)

Compression Ratio

 

 

17.5 : 1

Engine Speed

 

 

 

1800 rpm

Overspeed Limit

 

 

 

2070 rpm

Oil capacity gallons (liters)

 

 

 

10.8 gal (41.0 L)

Battery

 

 

 

12V 150 Ah x 2

 

 

 

 

 

Fuel System

 

 

 

 

Recommended Fuel

 

 

 

ASTM-D975-No.1 or No. 2-D

 

 

 

 

Maximum Fuel Flow (per hour)

 

 

98.8 gal (347 L)

Maximum Inlet Restriction (Hg)

 

 

8.86 in. (225 mm)

Fuel Tank Capacity

 

 

 

121 gal (460 L)

 

 

 

 

 

 

Fuel Consumption

full load gph (lph)

 

14.7 (55.8)

75% load gph (lph)

 

10.9 (41.2)

 

 

 

50% load gph (lph)

 

7.5 (28.5)

 

 

 

25% load gph (lph)

 

4.4 (16.6)

DCA250SSI Rev 0

 

 

 

 

Cooling System

Fan Load

5.6 hp (4.2 kW)

Coolant Capacity (with radiator)

14.3

gal (54.0 L)

 

 

 

Coolant Flow Rate (per minute)

56.8

gal. (215 L)

Heat Rejection to Coolant (per minute)

7489 Btu (7.90 MJ)

Heat Radiated to Room

2095 Btu (2.21 MJ)

Maximum Coolant Friction Head

8.1 psi (56.0 kPa)

 

 

Maximum Coolant Static Head

29.5 ft (9.0 m)

Ambient Temperature Rating

104°F (40°C)

 

 

 

Air

Combustion Air

498 cfm (14.1 m3/min)

Maximum Air Cleaner Restriction

13.6 in H20 (3.4 kPa)

Alternator Cooling Air

1459 cfm (41.3 m3/min)

Radiator Cooling Air

8404 cfm (238 m3/min)

Exhaust System

Gas Flow (full load)

1261 cfm (35.7 m3/min)

Gas Temperature

1004°F (540°C)

Maximum Back Pressure

53.2 in. H20 (13.3 kPa)

Amperage

Rated Voltage

Maximum Amps

1Ø 120 Volt

555.5 Amps (4 wire)

 

 

1Ø 240 Volt

277.7 Amps (4 wire)

3Ø 240 Volt

601 Amps

3Ø 480 Volt

301 Amps

 

 

Main Line Circuit Breaker Rating

800 Amps

Over Current Relay Trip Set Point

301 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 DCA250SSIWarranty Optional Fuel Cell Features Optional Generator FeaturesOptional Control Features Optional Output Connections Generator Output PanelDimensions Weight
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DCA250SSI specifications

The Multiquip DCA250SSI and DCA250SSIU are powerful diesel generators designed to meet the demanding energy needs of various industries. These models are specifically engineered for reliability, efficiency, and performance, making them suitable for commercial applications, construction sites, and emergency backup power.

One of the standout features of both the DCA250SSI and DCA250SSIU is their impressive power output. Each model is capable of delivering 250 kVA, allowing users to run multiple equipment and tools simultaneously without worrying about power shortages. This makes them ideal for large-scale operations where consistent power is critical.

Both generators are equipped with a robust industrial-grade engine, ensuring long-lasting performance and durability. The DCA250SSI features a Kohler 4038T, whereas the DCA250SSIU includes a Yanmar engine. These engines are designed to operate efficiently under heavy loads while minimizing fuel consumption. The advanced design helps reduce emissions, making these models environmentally friendly.

The DCA250SSI and DCA250SSIU come with a sound-attenuated enclosure, which significantly reduces noise levels during operation. This design makes them suitable for use in urban settings or noise-sensitive environments, allowing businesses to comply with regulations without compromising on power supply.

Furthermore, both models integrate advanced technologies to enhance user experience. The digital controller allows for easy monitoring and control of the generator's performance, providing crucial information such as voltage, frequency, and engine parameters in real-time. This feature helps operators stay informed of the system's status and facilitates timely maintenance when needed.

Safety is another critical consideration in the design of these generators. The DCA250SSI and DCA250SSIU include a comprehensive range of safety features, such as low oil pressure shutdown, high-temperature shutdown, and overcurrent protection, ensuring reliable operation while safeguarding against potential hazards.

Versatility is key with these models. They can be configured for both single-phase and three-phase output, catering to diverse energy requirements across different applications. Additionally, their compact design makes them easy to transport and install, further enhancing their appeal for rental companies and on-the-go operations.

In conclusion, the Multiquip DCA250SSI and DCA250SSIU stand out in the generator market with their blend of power output, fuel efficiency, noise reduction, and advanced technologies. Their robust design and safety features make them a reliable choice for a wide array of industries, offering peace of mind and consistent energy wherever it's needed.