Multiquip DCA45SSI ユーザーズマニュアル
dca45ssi — MQ POWER sERiEs gEnERatOR — REv. #12 (08/23/11)
DCA45SSI
MQ POWER Series Generator
sPEciFicatiOns
Generator Specifications
Design
Revolving field, self-ventilated
Drip-proof, single bearing
Armature Connection
Star with Neutral
Zig Zag
Phase
3
Single
Standby Output
40 KW (50 KVA)
27.6 KW
Prime Output
36 KW (45 KVA)
26 KW
3Ø Voltage (L-L/L-N)
Voltage Selector Switch at 3Ø 240/139
208Y/120, 220Y/127,
240Y/139
N/A
3Ø Voltage (L-L/L-N)
Voltage Selector Switch at 3Ø 480/277
416Y/240, 440Y/254,
480Y/277
N/A
1Ø Voltage (L-L/L-N)
(Voltage Selector Switch at 1Ø 240/120)
N/A
240/120
Power Factor
0.8
1.0
Voltage Regulation (No load to full load)
±0.5%
Generator RPM
1800
Frequency
60 Hz
No. of Poles
4
Excitation
Brushless with AVR
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 H
Sound Level dB(A) Full load at 23 feet
65
Engine Specifications
Make / Model
Isuzu / BU-4JJ1T
Emissions
EPA Interim Tier 4 Certified
Starting System
Electric
Design
4-cycle, water cooled,
direct injection, turbocharged
Displacement
183.0 in
3
(2999 cc)
No. cylinders
4
Bore x Stroke (mm)
95.4 x 104.9
Gross Engine Power Output
67.1 bhp (50 kW)
BMEP
136 psi (940 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
2.25 gallons (8.5 liters)
Battery
12V 72Ah x 1
Fuel System
Recommended Fuel
ASTM-D975-No.1 & No.2-D
Maximum Fuel Flow (per hour)
16 gallons (61 liters)
Maximum Inlet Restriction (Hg)
5.9 in. (150 mm)
Fuel Tank Capacity
26.5 gallons (100 liters)
Fuel consumption
gph
lph
At full load
2.8
10.6
At 3/4 load
2.1
8.0
At 1/2 load
1.5
5.6
At 1/4 load
0.9
3.4
Cooling System
Fan Load
0.94 hp (0.7 kW)
Coolant Capacity (with radiator)
2.96 gallons (11.2 liters)
Coolant Flow Rate (per minute)
15.4 gallons (58.5 liters)
Heat Rejection to Coolant (per minute)
1640 Btu (1.73 MJ)
Heat Rejection to Room (per minute)
379 Btu (0.40 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
99 cfm (2.8 m
3
/min)
Maximum Air Cleaner Restriction
25 in. H
2
O (6.25 kPa)
Alternator Cooling Air
526 cfm (14.9 m
3
/min)
Radiator Cooling Air
2330 cfm (66 m
3
/min)
Exhaust System
Gas Flow (full load)
233 cfm (6.6 m
3
/min)
Gas Temperature
896°F (480°C)
Maximum Back Pressure
53.2 in. H
2
O (13.3 kPa)
Amperage
Rated voltage
Maximum amps
1Ø 120 Volt
100 Amps (4 wire)
108A x 2 (Zigzag)
1Ø 240 Volt
50 Amps (4 wire)
108A (Zigzag
3Ø 240 Volt
108 Amps
3Ø 480 Volt
54 Amps
Main Line Circuit Breaker Rating
110 Amps
Over Current Relay Trip Set Point
480V Mode Only
54 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, shock and/
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.
Specifications are subject to change without notice.
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).
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.