Multiquip Specifications, Warranty, Isuzu Engine, Generator, Trailer,  DCA70USI, Fuel System

DCA70USI

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	62 KW (77 KVA)	44 KW
Prime Output	56 KW (70 KVA)	40 KW
3Ø Voltage (L-L/L-N)	208Y/120, 220Y/127,	N/A
Voltage Selector Switch at 3Ø 240/139	240Y/139
3Ø Voltage (L-L/L-N)	416Y/240, 440Y/254,	N/A
Voltage Selector Switch at 3Ø 480/277	480Y/277
1Ø Voltage (L-L/L-N)	N/A	240/120
(Voltage Selector Switch at 1Ø 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:	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.
Insulation	Class H
Sound Level dB(A) Full load at 23 feet	68

Engine Specifications

Make / Model	Isuzu / BJ-4JJ1X
Emissions	EPA Interim Tier 3 Certified
Starting System	Electric
Design	4-cycle, water cooled,
	direct injection, turbocharged
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	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	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)
1Ø 240 Volt	77.8 Amps (4 wire)
	168A (Zigzag)
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

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.

DCA70USi — MQ POWER series generator — Rev. #8 (04/17/12)