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1250 - 1500 kVA, 1000 - 1200 kWe Prime

Diesel Generator Set K50 Series

Diesel Range of Gensets
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Set Model





C1250 D5 P





C1500 D5 P





Reliable and durable

Cummins® ‘K50 series’ diesel engine with strong regrindable crankshaft, high strength connecting rod, low pressure fuel lines, STC (Step Timing Controls) injectors and high volume coolant system make ‘K50 series’ generating sets, more reliable and durable. Engines have clocked millions of hours operating in some of the world’s most demanding conditions. Current engines are regularly upgraded with new technologies for better performance and economy. The ultimate proof of superior performance and reliability is the fact that Cummins® entities worldwide source these engines from Cummins India for their markets.

Unmatched warranty

Cummins® ‘K50 series’ diesel engine generating sets are a truly cost effective solution to long term power need backed by industry best, 2 years / 5000 hrs warranty, for the entire generating set.

Cummins advantage

Special features of Cummins® ‘K50 series’ engines like STC (Step Timing Controls) injectors, low temperature after cooler, square combustion chamber, optimized turbocharging and precision heavy duty camshaft make these engines the ultimate in exceptional fuel efficiency all across the operating range.

Single source power assurance

Design, manufacture and testing of engine, alternator and other accessories is done by Cummins Group of companies for optimum performance and is backed by a countrywide product support network with a single source responsibility for the entire package.

Standard scope


Cummins® ‘K50 series’ direct injection, water cooled engine, 16 cylinder, 4 stroke, rated at 1500 RPM, conforming to ISO 3046 / BS 5514 has the following specifications:

  •   Cummins PT fuel pumpp
  •   Cummins heavy duty STC injectors
  •   Cummins turbocharger, pulse tuned exhaust manifold, stainless steel exhaust flexible connections
  •   Radiator or heat exchanger, coolant inhibitor
  •   Plate type lube oil cooler
  •   Outboard aftercoolers
  •   Full flow paper element filters - fuel, lube oil and by-pass
  •   Dry type replaceable paper element air cleaner with restriction indicator
  •   Flywheel housing & flywheel to suit single / double bearing alternator
  •   Holset flexible coupling for double bearing alternator
  •   Starting motor – Electric, battery charging alternator
  •   Cummins PowerCommand® microprocessor based genset controller
  •   First fill lube oil

Alternator: Stamford brushless alternator

  •   Separately excited, self-regulated
  •   Class ‘H’ insulation
  •   Salient pole revolving field
  •   Single / double bearing
  •   PMG standard


  •   Silencer suitably optimized to reduce noise
  •   Sturdy base rail
  •   990 ltrs. free standing fuel tank
  •   4 x 12 V dry, uncharged batteries with connecting leads and terminals


Engine: Heavy duty air cleaner, Lube oil / Coolant heater with thermostatic switch

Alternator: Space heater, RTDs, BTDs


Control Panel:

AMF control panel, Battery charger, Remote/Auto start panel, Auto/Manual synchronizing panel, Audio/Visual annunciation for faults

Control panel: PowerCommand® PC 3.3

The PowerCommand® control system is an integrated microprocessor based generator set control system providing voltage regulation, engine protection, alternator protection, operator interface and isochronous governing.

AmpSentry – Includes integral AmpSentry protection, which provides a full range of alternator protection function which are matched to the alternator provided.

Power management – Control function provides battery monitoring, testing and a smart starting control system.

Advanced control methodology – Three phase sensing, FET based full wave rectified voltage regulation and a PWM output for stable operation with all load types.

Communications interface – Control comes standard with PCCNet and Modbus interface.

Regulation compliant – Prototype tested: UL, CSA and CE compliant.

Service - InPower™ PC-based service tool available for detailed diagnostics, setup, data logging and fault simulation.

Reliable design – For reliable operations in harsh environment.

Multi-language support

Independent of PC/ laptop for setting up

Operator panel features

Operator panel features-The operator panel, in addition to the alternator, displays the Utility/ AC Bus data.

Operator/ display functions

  •   320 x 240 pixels graphic LED backlight LCD with bar graph for displaying electrical parameters
  •   Auto, manual, start, stop, fault reset and lamp test/panel lamp switches
  •   Alpha-numeric display with pushbuttons
  •   LED lamps indicating genset running, remote start, not in auto, common shutdown, common warning, manual run mode, auto mode and stop

Paralleling control functions

  •   Digital frequency synchronization and voltage matching
  •   Isochronous kW and kvar load sharing controls
  •   Droop kW and kvar control
  •   Sync check
  •   Extended paralleling (Peak Shave/Base Load)
  •   Digital power transfer control (AMF) provides load transfer operation in open or closed transition or soft (ramping) transfer mode

Alternator data

  •   Line-to-neutral and line-to-line AC volts
  •   3-phase AC current
  •   Frequency
  •   kW, kvar, power factor kVA (three phase and total)

Engine data

  •   DC voltage
  •   Engine speed
  •   Lube oil pressure
  •   Coolant temperature/ low level
  •   Comprehensive FAE data (where applicable)

Other data

  •   Genset model data
  •   Start attempts, starts, running hours, kW hours
  •   Load profile (operating hours at % load in 5% increments)
  •   Fault history
  •   Data logging and fault simulation (requires InPower))

Standard control functions

Digital governing

  •   Integrated digital electronic isochronous governor
  •   Temperature dynamic governing

Digital voltage regulation

  •   Integrated digital electronic voltage regulator
  •   3-phase, 4-wire line-to-line sensing
  •   Configurable torque matching

AmpSentry AC protection

  •   AmpSentry protective relay
  •   Over current and short circuit shutdown
  •   Over current warning
  •   Single and three phase fault regulation
  •   Over and under voltage shutdown
  •   Over and under frequency shutdown
  •   Overload warning with alarm contact
  •   Reverse power and reverse var shutdown
  •   Field overload

Engine protection

  •   Battery voltage monitoring, protection and testing
  •   Over speed shutdown
  •   Low oil pressure warning and shutdown
  •   High coolant temperature warning and shutdown
  •   Low coolant level warning or shutdown
  •   Low coolant temperature warning
  •   Fail to start (over crank) shutdown
  •   Fail to crank shutdown
  •   Cranking lockout
  •   Sensor failure indication
  •   Low fuel level warning or shutdown

Control functions

  •   Time delay start and cool down
  •   Real time clock for fault and event time stamping
  •   Exerciser clock and time of day start/stop
  •   Data logging
  •   Cycle cranking
  •   Load shed/ dump as per configurable priority
  •   Configurable inputs and outputs (4)
  •   Remote emergency stop


  •   Auxiliary output relays and remote annunciators
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