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DCA70USI
MQ POWER Series Generator
sPEciFicatiOns
Generator Specifications
Design
Armature Connection
Phase
Standby Output
Prime Output
3Ø Voltage (L-L/L-N)
Voltage Selector Switch at 3Ø 240/139
3Ø Voltage (L-L/L-N)
Voltage Selector Switch at 3Ø 480/277
1Ø Voltage (L-L/L-N)
(Voltage Selector Switch at 1Ø 240/120)
Power Factor
Voltage Regulation (No load to full load)
Generator RPM
Frequency
No. of Poles
Excitation
Frequency
Frequency Regulation:
No Load to Full Load
Frequency Regulation: Steady State
Insulation
Sound Level dB(A) Full load at 23 feet
Engine Specifications
Make / Model
Emissions
Starting System
Design
Displacement
No. cylinders
Bore x Stroke (mm)
Gross Engine Power Output
BMEP
Piston Speed
Compression Ratio
Engine Speed
Overspeed Limit
Oil Capacity
Battery
Fuel System
Recommended Fuel
Maximum Fuel Flow (per hour)
Maximum Inlet Restriction (Hg)
Fuel Tank Capacity
Fuel consumption
At full load
At 3/4 load
At 1/2 load
At 1/4 load
Revolving field, self-ventilated
Drip-proof, single bearing
Star with Neutral
Zig Zag
3
Single
62 KW (77 KVA)
44 KW
56 KW (70 KVA)
40 KW
208Y/120, 220Y/127,
N/A
240Y/139
416Y/240, 440Y/254,
N/A
480Y/277
N/A
240/120
0.8
1.0
±0.5%
1800
60 Hz
4
Brushless with AVR
60 Hz
Isochronous under varying loads from
no load to 100% rated load
±0.25% of mean value for constant loads
from no load to full load.
Class H
68
Isuzu / BJ-4JJ1X
EPA Interim Tier 3 Certified
Electric
4-cycle, water cooled,
direct injection, turbocharged
183.0 in
(2999 cc)
3
4
95.4 x 104.9
97.9 bhp (50 kW)
204 psi (1409 kPa)
1237 ft./min. (6.29 m/s)
17.5:1
1800 rpm
2100 rpm
3.96 gallons (15 liters)
12V 72Ah x 1
ASTM-D975-No.1 & No.2-D
16 gallons (61 liters)
5.9 in. (150 mm)
103 gallons (390 liters)
gph
lph
4.1
15.4
3.1
11.9
2.1
8.1
1.3
4.8
dca70Usi — MQ POWER sERiEs gEnERatOR — REv. #8 (04/17/12)
Cooling System
Fan Load
Coolant Capacity (with radiator)
Coolant Flow Rate (per minute)
Heat Rejection to Coolant (per minute)
Heat Rejection to Room (per minute)
Maximum Coolant Friction Head
Maximum Coolant Static Head
Ambient Temperature Rating
Air
Combustion Air
Maximum Air Cleaner Restriction
Alternator Cooling Air
Radiator Cooling Air
Exhaust System
Gas Flow (full load)
Gas Temperature
Maximum Back Pressure
Amperage
Rated voltage
1Ø 120 Volt
1Ø 240 Volt
3Ø 240 Volt
3Ø 480 Volt
Main Line Circuit Breaker Rating
Over Current Relay Trip Set Point
480V Mode Only
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.
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.
0.4 hp (0.3 kW)
3.57 gallons (13.5 liters)
15.4 gallons (58.5 liters)
2260 Btu (2.38 MJ)
578 Btu (0.61 MJ)
6.1 psi (42 kPa)
21 feet (6.4 meters)
104°F (40°C)
138 cfm (3.9 m
3
/min)
25 in. H
O (6.25 kPa)
2
526 cfm (14.9 m
/min)
3
2009 cfm (56.9 m
/min)
3
332 cfm (9.4 m
/min)
3
932°F (500°C)
53.2 in. H
O (13.3 kPa)
2
Maximum amps
155.4 Amps (4 wire)
168A x 2 (Zigzag)
77.8 Amps (4 wire)
168A (Zigzag)
168 Amps
84 Amps
175 Amps
84 Amps
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