Nanni Generator Type Q2400 – 24CT50

Description

New Nanni Generator Type Q2400 – 24CT50 Marine Generator For Sale

Reliable Three-Phase Marine Power for Yachts and Professional Vessels

The New Nanni Q2400 24CT50 Marine Generator Marine Generator is a robust three-phase marine diesel generator designed to provide stable onboard electricity for motor yachts, sailing yachts, catamarans, expedition vessels, workboats, and professional marine craft. Built around a proven Kubota diesel engine and paired with a Mecc Alte alternator, the Q2400 – 24CT50 combines substantial electrical capacity, low-speed operation, and purpose-built marine engineering.

The generator provides 23.3 kVA of prime running power and up to 24.1 kVA of limited-time power at 230/400V and 50 Hz. This capacity makes it suitable for vessels operating three-phase pumps, refrigeration equipment, ventilation systems, hydraulic machinery, battery chargers, galley equipment, navigation electronics, and other demanding onboard loads.

Choosing the correct marine generator requires more than selecting a model by its maximum output. Vessel owners, shipyards, and marine installers must also consider continuous electrical demand, starting loads, phase configuration, machinery-space dimensions, cooling requirements, exhaust routing, operating hours, and possible future equipment upgrades.

For customers seeking a capable marine genset with reliable three-phase output, the Nanni Q2400 – 24CT50 offers a practical onboard power solution for recreational and commercial vessels.

Marine Engineering Behind the Nanni Q2400 – 24CT50

The Nanni Q2400 platform is engineered specifically for marine use. Unlike a general-purpose industrial generator adapted for installation on a boat, this generator includes systems developed around the realities of onboard operation, including restricted ventilation, vibration, humidity, seawater exposure, and long operating periods.

The Q2400 series uses a four-cylinder, inline, four-stroke Kubota diesel engine with a displacement of approximately 2.434 litres. The engine uses mechanical regulation and operates at 1500 RPM in the 50 Hz configuration.

Its low-speed design helps reduce mechanical wear, vibration, and operating noise compared with many higher-speed generator sets. This makes the Q2400 – 24CT50 suitable for vessels that require dependable electrical power without compromising long-term durability or onboard comfort.

Customers evaluating the Nanni Generator Type Q2400 – 24CT50 price should consider more than the initial purchase cost. Electrical capacity, installation compatibility, fuel consumption, maintenance accessibility, marine cooling, warranty support, and expected operating life all influence the generator’s overall value.

Efficient Kubota Diesel Performance

The Q2400 – 24CT50 uses a naturally aspirated Kubota-based diesel engine designed to provide consistent performance under sustained marine loads. Diesel-powered marine generator sets remain widely used aboard yachts and professional vessels because of their fuel efficiency, durability, and ability to support prolonged electrical demand.

The generator is designed to provide:

• Dependable electricity for essential vessel systems
• Stable operation under changing electrical loads
• Efficient low-speed diesel performance
• Straightforward mechanical regulation
• Practical routine maintenance access
• Reliable auxiliary power away from shore facilities

A properly sized diesel marine generator allows vessel owners to operate pumps, refrigeration, ventilation, charging equipment, and other electrical systems without running the main propulsion engines solely for auxiliary power.

Published Nanni specifications list fuel consumption for the Q2400 – 24CT50 at approximately 5.8 litres per hour. Actual consumption will vary according to electrical load, installation condition, maintenance, ambient temperature, and operating profile.

Prime and Limited-Time Power Ratings

Understanding generator ratings is essential when selecting an auxiliary marine power system.

The Q2400 – 24CT50 provides:

• 23.3 kVA prime running power
• 24.1 kVA limited-time power
• 230/400V three-phase output
• 50 Hz frequency
• 0.8 power factor
• 33.6 amps at the prime rating

The prime rating is the more relevant figure for sustained vessel operation. The limited-time rating provides additional capacity for shorter periods and should not be treated as the continuous operating level.

A complete load assessment should consider both normal electrical consumption and the temporary starting demand created by motors, compressors, pumps, and refrigeration equipment. Starting loads can be substantially higher than normal running demand.

Selecting a generator that is too small may lead to overload, voltage instability, and premature wear. An excessively large generator may spend long periods operating under very light load. Correct sizing helps balance capacity, efficiency, and operating reserve.

Three-Phase Electrical Output for Demanding Vessel Equipment

The Nanni Q2400 – 24CT50 is designed for vessels requiring dependable three-phase marine power. Three-phase electricity is particularly useful for compatible motors and machinery because it provides balanced power distribution and efficient operation.

The generator may support compatible equipment such as:

• Seawater and freshwater pumps
• Refrigeration and freezer systems
• Ventilation and extraction equipment
• Hydraulic power units
• Workshop machinery
• Battery-charging systems
• Commercial galley equipment
• Water-making systems
• Auxiliary electric motors
• Professional vessel equipment

The generator uses a Mecc Alte alternator operating at 1500 RPM. The Q2400 user documentation identifies the alternator used with the 24CT50 as a self-regulating, brushless unit with a four-pole design, Class H insulation, and IP23 protection.

Before installation, a qualified marine electrician should verify voltage, frequency, phase rotation, earthing arrangements, cable sizes, circuit protection, and compatibility with the vessel’s distribution system.

Stable Power for Modern Marine Systems

Modern yachts and workboats rely on dependable electrical power for navigation, communication, safety, vessel monitoring, climate control, refrigeration, and daily operations.

The Q2400 alternator uses short-pitch windings designed to reduce harmonic content, while its self-regulating brushless design supports stable output and reduced routine alternator maintenance.

A stable vessel power-generation system can help protect compatible onboard equipment and improve operational reliability during extended voyages or commercial service.

The generator may also support single-phase loads through a correctly engineered three-phase distribution arrangement, but load balancing should be reviewed carefully. Uneven loading across phases can affect generator performance, so the final electrical design should be completed by a competent marine electrician.

Marine Cooling for Sustained Operation

Reliable cooling is critical for any marine diesel generator set. Onboard generators normally operate inside enclosed compartments where engine heat must be removed efficiently.

The Q2400 platform is designed with marine cooling and wet-exhaust systems suitable for vessel installation. Its cooling arrangement helps maintain stable engine temperature while separating the engine’s internal coolant from the raw-water circuit.

A properly maintained marine generator cooling system supports:

• Stable engine operating temperature
• Reliable performance under sustained load
• Protection of internal engine components
• Reduced thermal stress
• Longer equipment life
• Consistent offshore operation

Routine inspection should include coolant condition, raw-water strainers, seawater flow, hoses, clamps, belts, impellers, heat-exchanger surfaces, and wet-exhaust connections.

Poor seawater flow, damaged impellers, blocked cooling passages, or inadequate machinery-space ventilation can cause overheating even when the generator is correctly sized.

SI-2 Control and Generator Monitoring

The Q2400 series uses Nanni’s SI-2 control panel for generator operation and monitoring. The panel integrates information required to start, stop, and supervise the generator and connects to the engine through a dedicated extension cable or may be mounted on the soundproof enclosure.

The control system supports:

• Generator start and stop functions
• Engine parameter monitoring
• Generator status information
• Operating alarms
• Fault-code display
• System supervision

This monitoring capability helps operators identify abnormal conditions early and supports more effective troubleshooting. It does not replace preventive maintenance, but it provides useful information during daily operation.

Soundproof Marine Design and Installation Dimensions

The Nanni Q2400 – 24CT50 is available in a soundproof configuration designed to reduce generator noise and improve onboard comfort.

Published dimensions for the Q2400 soundproof range are approximately:

• Length: 1300 mm
• Width: 600 mm
• Height: 695 mm
• Weight: 436 kg

These published dimensions and weight apply to the soundproof Q2400 configuration shown in Nanni’s product guide.

A correctly installed quiet marine generator should also include:

• Suitable flexible mounts
• Correct machinery-space ventilation
• Proper hose and cable support
• An engineered wet-exhaust system
• Adequate acoustic insulation
• Sufficient service clearances

The enclosure alone does not determine the final onboard noise level. Hull construction, exhaust design, mounting quality, ventilation openings, and vibration transfer through the vessel structure also affect acoustic performance.

Marine Installation and Replacement Considerations

The Nanni Q2400 – 24CT50 generator set may be suitable for:

• New yacht construction
• Expedition-vessel installations
• Commercial workboats
• Yacht refit projects
• Three-phase electrical upgrades
• Generator replacement projects
• Professional marine power systems

When replacing an existing boat generator, matching only the kVA rating is not enough. The installer should also verify:

• Voltage and frequency
• Phase configuration
• Mounting dimensions
• Maintenance access
• Seawater supply
• Exhaust back pressure
• Fuel connections
• Ventilation requirements
• Cable capacity
• Generator removal access

This assessment helps ensure that the selected marine generator replacement integrates correctly and remains serviceable throughout its operating life.

Applications of the Nanni Q2400 – 24CT50

Motor Yachts

The generator can support compatible pumps, refrigeration equipment, ventilation systems, battery chargers, galley equipment, water makers, and onboard comfort systems.

Sailing Yachts and Catamarans

Larger sailing yachts and expedition catamarans can use the generator as an auxiliary onboard power system for navigation, communications, refrigeration, pumps, charging systems, and water-making equipment.

Workboats and Professional Vessels

The Q2400 – 24CT50 can serve as a reliable commercial marine generator for hydraulic systems, pumps, ventilation equipment, workshop machinery, refrigeration, lighting, and daily operational loads.

Marine Refit Projects

The generator may be considered when replacing an ageing or inefficient three-phase genset, provided its electrical output, dimensions, cooling, exhaust, and supporting systems are compatible with the vessel.

Technical Specifications of the Nanni Q2400 – 24CT50

These specifications are based on Nanni’s published Q2400 product guide and user documentation. Final ratings, equipment, dimensions, and configuration should be confirmed before ordering.

Standard Equipment and Available Options

The Q2400 – 24CT50 is supplied as an integrated marine generator set designed for onboard installation.

Typical equipment may include:

• Four-cylinder Kubota diesel engine
• Mecc Alte three-phase alternator
• SI-2 control panel
• Marine heat-exchanger cooling
• Raw-water circulation system
• Wet-exhaust components
• Engine protection systems
• Fuel and oil filtration
• Flexible mounting arrangement
• Operating and maintenance documentation

Available options may include:

• Soundproof enclosure
• Fuel pre-filter
• Siphon-break equipment
• Alternative electrical-system configurations
• Additional installation accessories

The final equipment package should be confirmed when ordering because vessel requirements and regional configurations may differ.

Genuine Nanni Generator Supply and Worldwide Support

Customers looking for the New Nanni Generator Type Q2400 – 24CT50 Marine Generator for sale can contact our marine specialists for availability, configuration advice, technical guidance, and international delivery assistance.

We support customers with:

• Genuine Nanni generator supply
• Electrical-load and sizing guidance
• Replacement generator assessments
• Marine application recommendations
• Export documentation
• Worldwide shipping arrangements
• After-sales customer support

Whether you are completing a yacht refit project, upgrading a commercial vessel, or installing a new three-phase onboard power system, correct generator selection can reduce installation problems and improve long-term reliability.

Frequently Asked Questions

What is the Nanni Q2400 – 24CT50 price?

The Nanni Generator Type Q2400 – 24CT50 price depends on configuration, optional equipment, current availability, shipping destination, and delivery requirements. Contact our team for an updated quotation.

How much power does the Q2400 – 24CT50 produce?

It provides 23.3 kVA of prime running power and up to 24.1 kVA of limited-time power.

Is the Q2400 – 24CT50 a three-phase generator?

Yes. It is a 230/400V three-phase marine generator operating at 50 Hz.

Can it support pumps and commercial marine equipment?

Yes, provided the connected equipment is electrically compatible and the combined continuous and starting loads remain within the generator’s capacity.

Can it replace an existing yacht generator?

Yes. It may be suitable for a marine generator replacement when voltage, frequency, phase, output, dimensions, cooling, exhaust, and installation requirements are compatible.

Is a sound enclosure available?

Yes. Nanni publishes the Q2400 – 24CT50 in a soundproof configuration measuring approximately 1300 × 600 × 695 mm.

Request a Quote for the Nanni Q2400 – 24CT50

The New Nanni Generator Type Q2400 – 24CT50 Marine Generator is a dependable choice for yacht owners, shipyards, boat builders, and professional operators requiring substantial three-phase marine power from a proven Kubota-based generator platform.

Contact our marine generator specialists to request the latest Nanni Q2400 – 24CT50 price, confirm availability, discuss installation requirements, and receive assistance selecting the correct configuration for your vessel.