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ZHONGCHAI · Cummins
ZC-20DC27.5 kVADiesel generator
Diesel generator · Powered by Cummins
ZC-20DC is a 27.5 kVA prime-power diesel generator set with a sound-attenuated canopy, powered by a Cummins 4B3.9-G2 engine.
The published electrical configuration is 400 V, 50 Hz, three-phase. Listed components — alternator: ZC-20E4; controller: SmartGen.
Prime power27.5 kVA
Engine model4B3.9-G2
Electrical specification400 V · 50 HzPhases: 3
01 / ZC-20DC
Technical specifications
Review the model, power rating and electrical requirements together.
- Generator model
- ZC-20DC
- Prime power
- 27.5 kVA
- Engine brand
- Cummins
- Engine model
- 4B3.9-G2
- Alternator model
- ZC-20E4
- Controller brand
- SmartGen
- Voltage
- 400 V
- Frequency
- 50 Hz
- Phases
- 3
- Enclosure
- Silent canopy
- Prime power
- 22 kW
- Power factor
- 0.8
Prime power is stated in kVA; do not treat it as standby power or kW.
ZHONGCHAI · ZC-20DC
Detailed technical specifications
Review the engine, alternator, electrical ratings and configuration dimensions below.
Engine specifications
- Engine model
- 4B3.9-G2
- Cylinders
- 4
- Bore × stroke
- 102 × 120 mm
- Displacement
- 3.9 L
- Compression ratio
- 16.5:1
- Engine oil capacity
- 11 L
- Coolant capacity
- 24 L
- Starting voltage (DC)
- 24 V
Alternator specifications
- Alternator model
- ZC-20E4
- Phases
- 3
- Connection
- Three-phase, 4-wire, star (Y)
- Power factor
- 0.8
- Protection class
- IP23
- Excitation
- Brushless
- Insulation / temperature-rise class
- H/H
- Telephone influence factor (TIF)
- <50
- Telephone harmonic factor
- <2%
- Alternator rated capacity
- 27.5 kVA
- Voltage
- 400 V
Electrical ratings by voltage - 440/254 V
- Voltage
- 440/254 V
- Frequency
- 50 Hz
- Phases
- 3
- Power factor
- 0.8
- Rated current
- 36.8 A
- Standby power
- 24 kW
- Standby apparent power
- 30.25 kVA
- Prime power
- 22 kW
- Prime apparent power
- 27.5 kVA
Electrical ratings by voltage - 415/240 V
- Voltage
- 415/240 V
- Frequency
- 50 Hz
- Phases
- 3
- Power factor
- 0.8
- Rated current
- 38.2 A
- Standby power
- 24 kW
- Standby apparent power
- 30.25 kVA
- Prime power
- 22 kW
- Prime apparent power
- 27.5 kVA
Electrical ratings by voltage - 400/230 V
- Voltage
- 400/230 V
- Frequency
- 50 Hz
- Phases
- 3
- Power factor
- 0.8
- Rated current
- 39.7 A
- Standby power
- 24 kW
- Standby apparent power
- 30.25 kVA
- Prime power
- 22 kW
- Prime apparent power
- 27.5 kVA
Electrical ratings by voltage - 380/220 V
- Voltage
- 380/220 V
- Frequency
- 50 Hz
- Phases
- 3
- Power factor
- 0.8
- Rated current
- 41.7 A
- Standby power
- 24 kW
- Standby apparent power
- 30.25 kVA
- Prime power
- 22 kW
- Prime apparent power
- 27.5 kVA
Dimensions and weight - Sound-attenuated configuration
- Length
- 2300 mm
- Width
- 1000 mm
- Height
- 1220 mm
- Weight
- 990 kg
Dimensions and weight - Open configuration
- Length
- 1580 mm
- Width
- 650 mm
- Height
- 1146 mm
- Weight
- 777 kg
Unpacked reference dimensions and weight; confirm packing dimensions and transport weight separately.
Configuration reference. Confirm the final equipment, duty rating, dimensions and weight in the agreed order specification. Do not apply these 50 Hz ratings directly to 60 Hz configurations.
ZC-20DC · Request a quotation →Understand the power and electrical specifications
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01
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Read with this model selected →02kW or kVA?
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Read with this model selected →03Starting a motor?
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Read with this model selected →Frequency, voltage and automatic transfer
04
50 Hz or 60 Hz?
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Read with this model selected →05Voltage and phases?
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Read with this model selected →06Need an ATS?
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Read with this model selected →General selection guidance; suitability needs confirmation against your equipment and site conditions.
Ask about this model · ZC-20DC →Product information
Engine brand: Cummins
Model: ZC-20DC
Prime power: 27.5 kVA
Engine model: 4B3.9-G2
Alternator: ZC-20E4
Controller: SmartGen
Voltage: 400 V
Frequency: 50 Hz
Phases: 3
02 / Before you order
Before you order
What is included in the quote?
Confirm the generator, ATS, packing, transport and inspection records. Agree warranty and delivery responsibilities in writing.
Selection, shipping and after-sales guides
Cummins
Compare nearby power ratings
These published models use the same engine brand. Compare the prime rating, engine and electrical configuration; a nearby kVA value does not establish suitability for your loads.
ZC-24DC · 30 kVA →
- Prime power
- 30 kVA
- Engine model
- 4B3.9-G12
- Electrical configuration
- 400 V · 50 Hz · Phases: 3
ZC-30DC · 37.5 kVA →
- Prime power
- 37.5 kVA
- Engine model
- 4BT3.9-G2
- Electrical configuration
- 400 V · 50 Hz · Phases: 3
ZC-45DC · 56.3 kVA →
- Prime power
- 56.3 kVA
- Engine model
- 4BTA3.9-G2
- Electrical configuration
- 400 V · 50 Hz · Phases: 3
Selected model · ZC-20DC
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ZC-20DC27.5 kVA
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