DCA70USI
MQ POWER Series Generator
Specifications
Generator Specifications
Design | Revolving field, | |||
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Armature Connection | Star with Neutral |
| Zig Zag | |
Phase | 3 |
| Single | |
Standby Output | 62 KW (77 KVA) |
| 44 KW | |
Prime Output | 56 KW (70 KVA) |
| 40 KW | |
3Ø Voltage | 208Y/120, 220Y/127, |
| N/A | |
Voltage Selector Switch at 3Ø 240/139 | 240Y/139 |
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3Ø Voltage | 416Y/240, 440Y/254, |
| N/A | |
Voltage Selector Switch at 3Ø 480/277 | 480Y/277 |
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1Ø Voltage | N/A |
| 240/120 | |
(Voltage Selector Switch at 1Ø 240/120) |
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Power Factor | 0.8 |
| 1.0 | |
Voltage Regulation (No load to full load) | ±0.5% |
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Generator RPM | 1800 |
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Frequency | 60 Hz |
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No. of Poles | 4 |
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Excitation | Brushless with AVR | |||
Frequency | 60 Hz |
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Frequency Regulation: | Isochronous under varying loads from | |||
No Load to Full Load | no load to 100% rated load | |||
Frequency Regulation: Steady State | ±0.25% of mean value for constant loads | |||
from no load to full load. | ||||
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Insulation | Class H |
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Sound Level dB(A) Full load at 23 feet | 68 |
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Engine Specifications
Make / Model | Isuzu / | |
Emissions | EPA Interim Tier 3 Certified | |
Starting System | Electric | |
Design | ||
direct injection, turbocharged | ||
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Displacement | 183.0 in3 (2999 cc) | |
No. cylinders | 4 | |
Bore x Stroke (mm) | 95.4 x 104.9 | |
Gross Engine Power Output | 97.9 bhp (50 kW) | |
BMEP | 204 psi (1409 kPa) | |
Piston Speed | 1237 ft./min. (6.29 m/s) | |
Compression Ratio | 17.5:1 | |
Engine Speed | 1800 rpm | |
Overspeed Limit | 2100 rpm | |
Oil Capacity | 3.96 gallons (15 liters) | |
Battery | 12V 72Ah x 1 |
Fuel System
Recommended Fuel |
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Maximum Fuel Flow (per hour) | 16 gallons (61 liters) |
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Maximum Inlet Restriction (Hg) | 5.9 in. (150 mm) |
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Fuel Tank Capacity | 103 gallons (390 liters) | ||
Fuel Consumption | gph |
| lph |
At full load | 4.1 |
| 15.4 |
At 3/4 load | 3.1 |
| 11.9 |
At 1/2 load | 2.1 |
| 8.1 |
At 1/4 load | 1.3 |
| 4.8 |
Cooling System
Fan Load | 0.4 hp (0.3 kW) |
Coolant Capacity (with radiator) | 3.57 gallons (13.5 liters) |
Coolant Flow Rate (per minute) | 15.4 gallons (58.5 liters) |
Heat Rejection to Coolant (per minute) | 2260 Btu (2.38 MJ) |
Heat Rejection to Room (per minute) | 578 Btu (0.61 MJ) |
Maximum Coolant Friction Head | 6.1 psi (42 kPa) |
Maximum Coolant Static Head | 21 feet (6.4 meters) |
Ambient Temperature Rating | 104°F (40°C) |
Air
Combustion Air | 138 cfm | (3.9 m3/min) |
Maximum Air Cleaner Restriction | 25 in. H2O (6.25 kPa) | |
Alternator Cooling Air | 526 cfm (14.9 m3/min) | |
Radiator Cooling Air | 2009 cfm | (56.9 m3/min) |
Exhaust System
Gas Flow (full load) | 332 cfm (9.4 m3/min) |
Gas Temperature | 932°F (500°C) |
Maximum Back Pressure | 53.2 in. H2O (13.3 kPa) |
Amperage
Rated Voltage | Maximum Amps | |
1Ø 120 Volt | 155.4 Amps (4 wire) | |
168A x 2 (Zigzag) | ||
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1Ø 240 Volt | 77.8 Amps (4 wire) | |
168A (Zigzag) | ||
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3Ø 240 Volt | 168 Amps | |
3Ø 480 Volt | 84 Amps | |
Main Line Circuit Breaker Rating | 175 Amps | |
Over Current Relay Trip Set Point | 84 Amps | |
480V Mode Only | ||
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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,
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, shock 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.
DCA70USi — MQ POWER series generator — Rev. #8 (04/17/12)
