General Features:
Cummins engine 6LTAA9.5-G1
Close-coupled to LSA alternator LSA46.3L10
DSE 7420 MKII controller
ABB main circuit breaker: 500 A, 4P
Electrical speed governor
Self-excited excitation system (SHUNT)
AVR model: R250
Key switch
Emergency stop switch
ATS (automatic transfer switch) receptacle
2 × 12 V / 120 Ah sealed-for-life maintenance-free batteries
Lockable battery isolator switch
50 °C radiator
Oil pump on the engine
Steel base frame with lifting lug
Vibration isolators between engine/alternator and base frame
Dry-type air filter
Base fuel tank for approximately 18.7 hours running
Drain points for fuel tank
Operation Manual / Specifications
Equipment Specification:
Model: PR350C-SAE
Structure type: R (sound-proof)
Fuel tank capacity: 1 310 L
Dry weight: 3 790 kg
Noise level 7 m: 75.7 dBA
Dimensions (L × W × H): 3 970 × 1 300 × 2 241 mm
Standby power: 352 kVA / 282 kW
Prime power: 320 kVA / 256 kW
Diesel Engine:
Manufacturer/Brand: Cummins
Model: 6LTAA9.5-G1
(Detailed engine dimensions, weight, bore/stroke, displacement and other technical data follow the standard Cummins 6LTAA9.5-G1 specification as referenced in the data sheet)
Alternator:
Manufacturer/Brand: LSA (Leroy-Somer)
Model: LSA46.3L10
Exciter: Brushless
Insulation class: H
Protection: IP23
Voltage regulation and harmonic performance consistent with LSA46.3 series standards
Control System – DSE 7420 MKII:
The DSE 7420 MKII is an advanced Auto Mains Failure (AMF) control module based on microprocessor technology. It provides comprehensive monitoring and control of both the generator set and the mains supply, with automatic start/stop, load transfer, and extensive protection functions. All operational parameters, status information and alarms are clearly displayed on the LCD.
Key Features
Microprocessor control with high stability and reliability
Monitoring and measuring of mains supply and genset operational parameters
Manual, Automatic and Remote operating modes
Real-time clock with date/time display and overall runtime
Event logging (up to 250 log entries)
Overall power output display
Integral speed/frequency detection
Communication with PC via RS485 or RS232 using MODBUS protocol
Multiple configurable inputs and outputs
Standard Protection / Monitoring Functions:
Low oil pressure
High engine temperature
Overspeed / Underspeed
Charge failure
Auxiliary shutdown
Emergency stop
Battery voltage monitoring
Generator voltage and frequency monitoring
Mains supply monitoring and automatic transfer control
Multiple additional engine and electrical protections
Overall Dimensions & Access Points:
Overall size: 3 970 mm (L) × 1 300 mm (W) × 2 241 mm (H)
Key external features follow the standard PR series sound-proof canopy layout, including control cabinet, emergency stop, fuel drains, lifting points, air inlets/outlets, exhaust outlet, and coolant/fuel fittings.
Control & Field Wiring Cabinet Layout:
Charge indicator
Control cabinet lamp
DSE 7420 MKII control module
Main circuit breaker
Live wire terminals
Neutral wire terminal
Ground wire terminal
Emergency stop button
Key switch
Time counter / hour meter