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WhisperWatt DCA45SSI Diesel generator

 

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Prime Rating — 36 kW (45 kVA)
Standby Rating — 40 kW (50 kVA)
Three-Phase, 60 Hertz, 0.8 PF

WhisperWatt DCA45SSI drawing

 

 

Performance Data
Prime Rating 36 kW 45 kVA
Standby Rating 40 kW 50 kVA
Generator RPM 1800
Voltage - Three Phase 208, 220, 240, 416, 440, 480 V Switchable
Voltage - Single Phase 120, 127, 139, 240, 254, 277 V Switchable
Generator Design Revolving field, Self-ventilated, Drip-proof, Single bearing
Voltage Regulation (No Load to Full Load) ±0.5 %
Power Factor 1.0
Armature Connection Star with Neutral/ Zig Zag
Excitation Brushless with AVR
No. Poles 4-pole
Frequency 60 Hz
Frequency Regulation (steady state load) ±0.25 %
Sound Level (Full Load at 23 ft.) 65 dB(A)
Notice: Features and equipment specifications are subject to change without notice.

 

WhisperWatt DCA45SSI drawing

Standard Features:

 

Optional Generator Features:

 

Optional Control Features:

 

Optional Fuel Cell Features:

 

Generator Specifications
Design Revolving field, self-ventilated, drip-proof, single bearing
Armature Connection Star w/ 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 Voltage Selector Switch at 3Ø 240/139 208Y/120, 220Y/127, 240Y/139 N/A
3Ø Voltage Voltage Selector Switch at 3Ø 480/277 416Y/240, 440Y/254,
480Y/277
N/A
1Ø Voltage Voltage Selector Switch at 1Ø 240/120 N/A 240/120
Power Factor 0.8 1.0
Voltage Regulation ±0.5%
Generator RPM 1800
Frequency 60 Hz
No. of Poles 4
Excitation Brushless with AVR

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) 65

 

Engine Specifications
Make Isuzu
Model BU-4JJ1T
Emissions EPA Interim Tier 4 Certified
Starting system Electric
Design 4-cycle, water cooled, Direct injection, turbocharged
Displacement 2,999cc
No. cylinders 4
Bore 95.4 mm
Stroke 104.9 mm
Gross Engine Power Output 67.1 hp (50kW)
BMEP 136 psi (940 kPa)
Piston Speed 1237 ft./min.
Compression Ratio 17.5:1
Engine Speed 1800 rpm
Overspeed Limit 2100 rpm
Oil Capacity 2.25 gal (8.5 L)
Battery 12V 72Ah x 1

 

Fuel System
Fuel Tank Capacity 26.5 gal (100.0 L)
Diesel Fuel at % of Load gal/hr (L/hr)
100% 2.8 (10.6)
75% 2.1 (8)
50% 1.5 (5.6)
25% 0.9 (3.4)

 

Amperage
Rated Voltage Max Amps
1Ø 120V 100 (4 wire) 108Ax2 (Zigzag)
1Ø 240V 50 (4 wire) 108A (Zigzag)
3Ø 240V 108 Amps
3Ø 480V 54 Amps
Main Line Circuit Breaker Rating 110 Amps
Over Current Releay Trip Set Point 54 Amps

 

Warranty


Isuzu Engine:
12 months from date of purchase with unlimited hours or 24 months
from date of purchase with 2000 hours (whichever occurs first).
Generator:
24 months from date of purchase or 2000 hours (whichever occurs
first).
Trailer:
12 months excluding normal wear items.

 

 

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.

 

 

WhisperWatt DCA45SSI Spec Sheet