Overview:
Compact, sound-attenuated diesel generator set
Designed for standby/home backup or light continuous power applications
Powered by Kubota engine, close-coupled to Leroy Somer alternator
Housed in powder-coated acoustic canopy
Rated for 50 Hz single-phase operation at 1500 rpm
Key Ratings:
Model: PT27K-S-SAE
Prime Power: 30 kVA / 24 kW
Standby Power: 33 kVA / 26 kW
Frequency / Speed: 50 Hz 1500 rpm
Phase: 1-phase
Voltage options: 220 V / 230 V / 240 V
Current: 136.4 A (220 V), 130.4 A (230 V), 125.0 A (240 V)
Sound pressure level: 61.0 dBA 7 m
Dry weight: 1,193 kg
Dimensions (L × W × H): 2,030 × 946 × 1,256 mm
Fuel tank capacity: 165 L (approx. 21 hours runtime)
Fuel Consumption:
25% load: N/A
50% load: 4.0 L/h
75% load: 5.9 L/h
100% load: 7.7 L/h
110% load: 8.5 L/h
Engine – Kubota V3300-BG:
Manufacturer: Kubota
Model: V3300-BG
Configuration: 4-cylinder, direct injection, natural aspiration
Displacement: 3.318 L
Bore × Stroke: 98 mm × 110 mm
Compression ratio: 22.6 : 1
Dimensions (L × W × H): 769.2 × 536 × 751 mm
Dry weight (approx.): 241 kg
Cooling: Water-cooled with pusher fan
Oil capacity: 13.2 L (Class CF lubricating oil)
Fuel type: Diesel Fuel No. 2-D (ASTM D975)
Battery voltage: 12 V
Standby power: 28.9 kW
Prime power: 26.3 kW
Fuel consumption (100% load): 7.7 L/h
Intake resistance: 1.96 kPa
Back pressure: ? 7.07 kPa
Alternator – Leroy Somer LSA42.3M8:
Manufacturer/Brand: Leroy Somer
Model: LSA42.3M8
Excitation: Brushless, self-excited (SHUNT)
AVR: R220
Insulation class: H
Winding pitch: 2/3
Windings: 100% copper
Terminals: 12
Protection: IP23 (drip-proof)
Voltage regulation: ±1.0%
Total harmonic distortion: < 1.5% (no load) / < 5% (on load)
Telephone interference: THF < 2%; TIF < 50
Overspeed capability: 2,250 rpm
Altitude rating: ? 1,000 m
Control System – DSE 4520 MKII:
Deep Sea Electronics DSE 4520 MKII Auto Mains (Utility) Failure control module
Compact, fully configurable Auto Start / AMF controller
Large back-lit icon LCD display
Key features & functions:
Configurable as Auto Start or Auto Mains Failure (AMF) controller
Manual, Auto and Stop/Reset modes
3-phase generator & mains (utility) voltage/frequency sensing
Generator & load power monitoring (kW, kVA, kVAr, pf)
Accumulated energy monitoring (kWh, kVAh, kVArh)
Generator overload (kW) and current protection
Load unbalanced alarm
Engine speed protection, hours counter, pre-heat & idle control
3 engine maintenance alarms
Real-time clock with event logging
J1939 CAN support (with alarm ignore function)
Alternator frequency & CAN speed sensing
USB configuration via DSE Configuration Suite PC software or front-panel editor
Configurable inputs/outputs (digital & analogue)
Fuel & start outputs (configurable when using CAN)
Power-save / sleep / deep-sleep modes for low current draw
Battery voltage monitoring
Typical protections:
Low oil pressure
High engine temperature
Overspeed / underspeed
Under/over voltage & frequency
Charge failure
Fail to start / fail to stop
Overcurrent & overload
Auxiliary / emergency shutdown
Panel features retained:
Schneider 160 A main circuit breaker
Key switch
Emergency stop button
ATS receptacle
Remote run connector
Time counter (hours)
Live / Neutral / Ground terminals
Mains input / remote communication connector
General Features & Construction:
Close-coupled engine–alternator assembly
Mechanical speed governor
50 °C radiator
Steel base frame with vibration isolators
Powder-coated sound-proof canopy
Dry-type air filter
Base-mounted fuel tank with drain points
1 × 12 V / 60 Ah sealed maintenance-free battery
Lockable battery isolator switch
Coolant heater required below 5 °C
Environmental limits:
Installation: Outdoors or well-ventilated indoors
Ambient temperature: –25 °C to +50 °C
Humidity: < 90%
Altitude: < 1,000 m above sea level
Overall Dimensions & Key Points:
Length: 2,030 mm
Width: 946 mm
Height: ? 1,255–1,256 mm
Lifting lugs, water inlet, air outlet, coolant drain, oil drain, fuel drain and ground bolting points provided
Summary:
Compact, quiet (61 dBA 7 m) Kubota-powered single-phase diesel generator
30 kVA prime / 33 kVA standby
Fitted with industry-standard Deep Sea Electronics DSE 4520 MKII Auto Mains Failure controller
Full AMF capability, power monitoring, event logging and advanced engine/alternator protections
165 L fuel tank for extended runtime
Schneider 160 A breaker and full acoustic enclosure
Ideal for residential standby, small commercial or remote power applications
Meets Australian and international standards