Diesel Generator Set X2.6 Series

25 – 35 kVA, 20 – 32 kWe Prime CPCB IV+ Emission Compliant

Acoustic Enclosure

  • Specially designed to meet stringent MoEF/CPCB norms of 75 dBA @ 1 meter at 75% load under free field conditions.

  • The acoustic enclosure is made from CRCA sheets in Munsell green shade and a structural/sheet metal base frame painted in black.

  • High-quality noise absorbent and fire-retardant grade acoustic insulation material (P.U. Foam) complying with IS8183.

  • Top lifting for easy handling at the customer site.

  • Designed for optimum serviceability.

  • Air inlet louvers specially designed to operate at rated load.

  • 11-tank pretreatment process and UV-resistant powder coating of all parts to withstand extreme environments.

  • Fluid drains for lube oil and fuel.

  • External fuel filling arrangement outside the enclosure.

Latest Technology and Unmatched Performance

The Cummins® X2.5 series features a rugged engine and world-class Stamford alternator-powered diesel generator set.

Advanced in-cylinder technology ensures compliance with stringent emission norms without requiring any after-treatment devices.

Best-in-class transient response for superior performance.

High altitude capabilities ensure reliable operation in challenging environments.

Superior finish and modern aesthetics.

Compact design with an optimal power-to-weight ratio.

Environment-Friendly Power

Class-defining, technologically advanced engine meets the latest MoEF exhaust emission norms.

Cummins® diesel generator sets operate at the lowest noise levels in their range, providing quieter, cleaner power solutions.

Lowest Operating Cost and Comprehensive Warranty

Highly reliable and durable product design.

Maximum efficiency even at part loads, reducing overall operating costs.

Extended service interval of 500 hours or 18 months.

Industry-leading, comprehensive warranty covering the entire package, including rubber components.

Single Source Power Assurance

All major components — engine, alternator, control system, and canopy — are designed, manufactured, and tested by Cummins India.

Backed by India’s largest and best customer support network, providing 24/7 service and spares availability.

Engine

  • Cummins® X2.5 series, 3 cylinder, In-line 4 stroke, radiator cooled engine

  • Robust and efficient air handling system with
    • Dry type, replaceable paper element air cleaner with restriction indicator
    • Optimized turbocharger for increased altitude capabilities

  • Optimized fuel consumption with Inline fuel pump with A1 class mechanical governing

  • Spin on fuel filter

  • Cooling system is designed and tested for 45°C ambient conditions

  • Full flow spin on lube oil filter

  • First fill of lube oil and coolant

  • Electrical starter motor with soft start engagement feature

  • Battery charging alternator

  • 1 x 12 V DC battery

Alternator

  • STAMFORD S0L1, S0L2 alternator frames from Cummins Generator Technologies

  • Brushless type, Screen protected, Revolving field, Self-excited alternator conforming to IS/IEC 60034-1

  • Better motor starting capability

  • Best in class efficiency

  • Compact design with sealed bearings for longer life and lesser maintenance

  • Impregnation on all wound components for better mechanical strength

Control Panel

Control panel is powder coated for weather-proof and long-lasting finish. The control panel consists of the following parts:

  • PS0600 Controller

  • Bus bars with suitable capacity with incoming/outgoing terminals

  • Indicating lamps for ‘Load ON’ and ‘Set Running’
    Instrument fuses duly wired and ferruled

  • MCCB of suitable rating with short circuit protections

  • AC/DC separation inside control panel for safety

PS0600 Features

  • Cummins® PowerStart™ PS0600 control is a microprocessor-based generator set monitoring, metering, and control system with LCD display designed to meet the demands of today’s engine-driven generator set

  • AMF Functionality

  • Intuitive operator interface which includes LED backlit 128×64 pixel graphic display with tactile feel soft-switches & generator set status LED lamps

  • Remote start-stop

  • Audible & visual warning for inducement

  • Engine Metering: Oil pressure, engine temperature, starting battery voltage, engine running hours

  • AC Alternator Metering: L-L voltage and L-N voltage, current (phase and total), kVA (phase and total), kW (phase and total), frequency, kWh, total & per phase (kW & kVA), power factor (PF), utility voltage and frequency

  • Engine Protection: Low lube oil pressure, High/Low coolant temperature, Battery High/Low/Weak volts, Fail to crank/start, Sensor failure, Cranking lockout, Low fuel level

  • AC Alternator Protection: Over/Under voltage, Over/Under frequency, Loss of AC sensing, Overspeed, Overcurrent, kW overload

  • Data Logging: Engine hours, Control hours, and up to 5 recent fault codes

  • Configurable glow plug control

  • 12 Volt DC operation

  • Sleep mode

  • Modbus interface (RS485 RTU)

  • InPower compatible (PC-based service tool)

  • Certifications: Meets the requirements of relevant ISO, EN, Mil Std., and CE standards

  • Maintenance due alarm based on engine run time and due date

  • Exerciser scheduler

Silencer

  • Critical grade silencer suitably optimized to meet stringent emission standards laid down by MoEF/CPCB

Mounting Arrangement

  • Engine and alternator are mounted on a common MS fabricated base frame with AVM pads

  • Skid mounted radiator

  • Base frame with integral fuel tank is provided with drain plug, air vent, inlet and outlet connection, and provision for cleaning

Optional

  • Engine: Cold start kit

  • Alternator: PMG and space heater

  • Canopy: Inside bolt design

  • Remote monitoring system

Technical Data — Generator Set Specification

Specification CI 25D5SP CI 27.5D5SP CI 35D5SP
Duty
Prime
Prime
Prime
Power Rating (kVA / kWe)
25 / 20
27.5 / 22
35 / 28
No. of Phases
1 Phase
1 Phase
1 Phase
Output Voltage and Frequency
230 V, 50 Hz
230 V, 50 Hz
230 V, 50 Hz
Power Factor
0.8 (lagging)
0.8 (lagging)
0.8 (lagging)
Current (1 phase) (A)
109
120
152
RPM
1500
1500
1500

Engine Specification

Make Cummins
Content
Model
X2.6-G1, X2.6-G1, X2.6-G2
Required Certified Power for Rated kVA (hp)
41.2, 41.2, 41.2
Cooling
Liquid Cooled (EG Compleat 50:50)
Aspiration
Turbocharged
No. of cylinders
3, In-line
Bore (mm) x Stroke (mm)
93 x 127
Compression ratio
17:1
Displacement (litre)
2.59
Fuel
High Speed Diesel
Performance class of generator set
ISO 8528-5 G2
Starting System
12 V DC Electrical
Lube oil specification
Ck4
Lube oil sump capacity, High-Low level (litre)
7.3-3.2
Total lubrication system capacity (litre)
8.5
Total coolant capacity (litre)
10.2
Exhaust pipe size (inch)
3
Total wet weight (Engine+Radiator) (kg)*
320
Length x Width x Height (Engine) (mm)
702 x 705x 895
Mean piston speed (m/s)
6.35
Combustion air intake @100% load (±5%) (cfm)
66
Exhaust temperature (°C)
410

Alternator Specification

Make STAMFORD (CGT) STAMFORD (CGT) STAMFORD (CGT)
Alternator Frame
S1L2-K
S1L2-R
S2L1D-E
Enclosure
IP23
IP23
IP23
Voltage regulation (Max.)
±1%
±1%
±0.5%
Class of Insulation
H Class
H Class
H Class
Winding Pitch
2/3
2/3
2/3
Stator Winding
Double layer lap
Double layer lap
Double layer lap
Rotor
Dynamically Balanced
Dynamically Balanced
Dynamically Balanced
Waveform distortion/Total Harmonic Distortion
No load < 1.5%, Non distorting balanced linear load < 5%
No load < 1.5%, Non distorting balanced linear load < 5%
No load < 1.5%, Non distorting balanced linear load < 5%
Maximum Unbalanced Load across phases
≤ 25%
≤ 25%
≤ 25%
Telephonic Harmonic factor
< 2%
< 2%
< 2%

Rating Definitions

Prime Power (PRP):
Applicable for supplying power to varying electrical load for unlimited hours.
Prime Power (PRP) is in accordance with ISO 8528.

Conformance Standards

  • IS/IEC 60034-1

  • ISO 1460

  • ISO 8528

  • ISO 3046

  • ISO 9001

  • ISO 13018

Typical Enclosed Genset Dimensions

Genset Model Rating (kVA) Length (mm) Width (mm) Height (mm) Wet Weight (kg) Standard Fuel Tank Capacity (litre)
CI 25D5SP
25
2400
950
1400
1029
102
CI 27.5D5SP
27.5
2400
950
1400
1029
102
CI 15D5SP
35
2400
950
1400
1065
102