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350kVA Cummins NTA855G1B Diesel Generator

  • 350kVA Cummins NTA855G1B Diesel Generator
  • Engine: Cummins
  • Prime : 316kVA / 252.8 kW
  • Standby : 3250kVA / 280 kW
  •  
  • Hz : 50Hz
  • Voltage : 3 Phase
  •  
  • Weatherproof Canopy
  • Auto Start Controller
  • Bunded Base Fuel Tank
  • Available Open or with Weatherproof Canopy / Container

SPG power generation system, providing optimum performance, reliability, and versatility for stationery standby, prime power, and continuous duty applications. All generator sets are prototype tested, factory build, and production tested.

  • High quality, reliable and complete power unit
  • Compact design
  • Easy start and maintenance possibility
  • Every generating set is subject to a comprehensive test program which includes full load testing, checking and provision of control and safety shut down functions testing
  • Fully engineered with a wide range of options and accessories : Canopy, sound proof canopy and on-road trailer


ISO8528 - This generator set has been designed to meet ISO 8528 regulation.

ISO 9001 - This generator set is manufactured in facilities certified to ISO 9001.

 This generator set is available with CE certification

Enclosed product is tested according to EU noise legislation 2000/14/EC

Dimensions and Weight

Open Type
Dimensions (LxWxH) mm 3031x1400x1978
Dry Weight kg 3300
Sound Attenuated Type
Dimensions (LxWxH) mm 4517x1463x2163
Dry Weight kg 3860

Phase Rating, 50Hz, PF 0,8

Voltage Standby Rating (ESP) Prime Rating (PRP)
kVA kW kVA kW
400/230 350 280 316 252.8

Standby Rating (ESP) : Continuous running at variable load for duration of an emergency. No overload is permitted on these ratings. In accordance with ISO 3046.

Prime Rating (PRP) : Continuous running at variable load for unlimited periods with 10% overload for 1 hour in any 12 hour period. In accordance with ISO 8528, ISO 3046.

Diesel Engine Specifications

Manufacturer Cummins
Model NTA855G1B
Engine Power Output at rated rpm kWm 321
HP 430
No. of Cylinders and Build 6 In Line
Engine Speed rpm 1500
Aspiration and Cooling Turbocharged and Aftercooled
Total Displacement L 14
Bore and Stroke mm x mm 140x152
Compression Ratio 15:1
Governor Electronic
Fuel Consumption at full load L/hr 71.4
Fuel Tank Capacity Litre 526
Oil Capacity Litre 38.6
Coolant Capacity L 60.6
Radiator Cooling Air m³ /min. 708
Air Intake - Engine m³ /min. 25.08
Exhaust Gas Flow m³ /min. 65.4
  • Heavy duty Cummins diesel engine
  • Four stroke, water cooled, turbocharged and aftercooled
  • Direct injection fuel system
  •  Electronic Governor system
  • 12/24 V DC starter and charge alternator
  • Replaceable fuel filter, oil filter and dry element air filter
  • Cooling radiator and fan
  • Starter battery (with lead acid) including Rack and Cables
  • Flexible fuel connection hoses and manual oil sump drain valve
  • Industrial capacity exhaust silencer and steel bellows
  • Jacket water heater (automatic models)
  • Operation manuals and circuit diagram documents

Alternator Specifications

Design Brushless single bearing, revolving field/td>
Stator 2/3 pitch
Rotor Single bearing, flexible disc
Insulation System Class H
Standard Temperature Rise 125 - 163°C Continuous
Exciter type Self Excited
Phase Rotation A (U), B (V), C (W)
Alternator Cooling Direct drive centrifugal blower fan
AC Waveform Total Harmonic Distortion No load <1.5% Non distorting balanced linear load < 5%
Telephone Influence Factor (TUF) <50 per NEMA MG-1-22.43
Telephone Harmonic Factor (THF) <2%
  • Brushless single bearing system, flexible disc, 4 poles
  • Insulation class H
  • Standard degree of protection IP21 (IP22/IP23 is available)
  • Self-exciting and self-regulating
  • Impregnation with tropicalised epoxy varnish
  • Solid state Automatic Voltage Regulator
  • Stator winding with 2/3 pitch for improved harmonics

Optional Equipment

Engine
Oil Heater

Alternator
3/4 Pole Output Circuit Breaker
Anti-condensation heater

Panel
Charge ammeter
Transfer Switch 3 Pole
Transfer Switch 4 Pole
Earth Fault, single set

Accessories
Bulk fuel tank
Automatic filling system
Fuel-water separator filter
Low fuel level alarm
Residential silencer
Enclosure or sound proof canopy
Trailer
Manual oil drain pump
Tool kit for maintenance

Control supervision and protection panel is mounted on the genset base frame. The control panel is equipped as follows:

  • 1. Auto Mains Failure Control Panel
    • Generating set control AMF module DSE 7320
    • Static battery charger
    • Emergency stop push button
  • 2. Power Outlet Terminal Board Mounted on the Gen-set Base Frame


  • The module is used to monitor mains supply and starts and stops of a standby generating set
  • Micro-processor based design
  • Automatic control of main and generator contactors
  • Monitors engine performance and AC power output LED alarm indication
  • Front panel configuration of timers and alarm trip points
  • CAN and magnetic pick-up versions(specify on ordering)
  • 4 digital inputs/3 analogue inputs
  • 6 outputs(4 configurable on Magnetic Pick-up, 6 configurable onCANbus version)
  • Easy push button control STOP/RESET -MANUAL -AUTO -TEST –START
  • Generator Volts (L-L / L-N)
  • Engine oil pressure (PSI-Bar)
  • Generator Ampere (L1,L2,L3)
  • Engine temperature (°C&°F)
  • Generator Frequency (Hz)
  • Plant battery volts
  • Engine hours run
  • Mains Volts (Ph-Ph/Ph-N)
  • Over and Under Speed
  • Low and High Battery Volt
  • Start and Stop Failure
  • Charge fail
  • Over Current
  • Under / Over Generator Voltage
  • Low Oil Pressure
  • Emergency stop
  • High engine temperature
  • Mains available
  • Generator available
  • Mains on load
  • Generator on load
  • All canopy parts are designed with modular principles
  • Without welding assembly
  • Doors on each side
  • All metal canopy parts are painted by electrostatic polyester powder pain
  • Exhaust silencer is protected against environment influences
  • Thermally insulated engine exhaust system
  • Emergency stop push button is installed outside of the canopy
  • Easy lifting and moving
  • Easy maintenance and operation


Chassis

  • The complete gen-set is mounted as whole on a heavy-duty fabricated, steel base frame
  • Anti-vibration pads are fixed between the engine/ alternator feet and the base frame
  • Base frame design incorporates an integral fuel tank (Up to 750 kVA)
  • The generating set can be lifted or carefully pushed / pulled by the base frame
  • Dial type fuel gauge and drain plug on the fuel tank
  • Forklift pockets within base frame (up to 500kVA)