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WhisperWatt DCA20SPX Diesel generator

 

Call for guaranteed low pricing and quantity discounts!

 

Prime Rating: 20 kW (20kVA)
Standby Rating: 22 kW (22kVA)
60 Hertz

WhisperWatt DCA20SPX drawing

 

 

Performance Data
Prime Rating 20 kW
Standby Rating 22 kW
Generator RPM 1800
Voltage - Single Phase 120/240 V
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 Series
Excitation Brushless with AVR
No. Poles 4-pole
Frequency 60 Hz
Frequency Regulation (steady state load) ±3-5%
Sound Level (Full Load at 23 ft.) 63 dB(A)
Notice: Features and equipment specifications are subject to change without notice.

 

WhisperWatt DCA20SPX 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 Series
Excitation Brushless with AVR
Phase Single Phase (3-wire)
Standby Output 22KW (27.5 KVA)
Prime Output 20 KW (25 KVA)
Rated Voltage 120/240V
Power Factor 1.0
Voltage Regulation ±0.5%
Generator RPM 1800
Frequency 60 Hz
Number of Poles 4

Frequency Regulation:

Steady State

±0.5% of mean value for constant loads from no load to full load.
Insulation Class H
Sound Level dB(A) 63
Dry Weight 1,412 lbs. (640 kg)
Wet Weight 1,563 lbs. (709 kg)

 

 

Engine Specifications
Make Isuzu
Model BV-4LE2
Emissions EPA Interim Tier 4 Certified
Starting system Electric
Design 4-cycle, water cooled, Direct injection
Displacement 2,179cc
No. cylinders 4
Bore 85 mm
Stroke 96 mm
Gross Engine Power Output 34.3 hp (25.5kW)
BMEP 100 psi (691 kPa)
Piston Speed 1134 ft/min
Compression Ratio 18:1
Engine Speed 1800 rpm
Overspeed Limit 2100 rpm
Oil Capacity 2.25 gal (8.5 L)
Battery 12V 53Ah x 1

 

Fuel System
Fuel Tank Capacity 17 gal (65.0 L)
Diesel Fuel at % of Load gal/hr (L/hr)
100% 1.66 (6.3)
75% 1.21 (4.6)
50% 0.85 (3.2)
25% 0.58 (2.2)

 

Amperage
Rated Voltage Max Amps
120V 83 X 2
240V 83
Main Line Circuit Breaker Rating 90 Amps

 

Warranty

 

Isuzu Engine:

24 months or 2000 hours from date of purchase (whichever occurs first).

Generator:
24 months or 2000 hours from date of purchase (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 DCA20SPX Spec Sheet

 

DCA20SPX operators manual