50Hz 48kW 60kVA SDEC Engine 4HT4.3-G22 Diesel Generator Set

50Hz  SDEC 48kW 60kVA  Diesel Generator Set

1. Product Overview

The 50Hz 48kW 60kVA SDEC Engine 4HT4.3-G22 Diesel Generator Set is a heavy-duty H-series industrial diesel genset designed for stable medium-power continuous power supply and reliable emergency standby power applications. Powered by genuine SDEC 4HT4.3-G22 generator-dedicated engine, this 60kVA diesel generator delivers a rated prime power of 48kW and a maximum standby power of 52kW/65kVA, perfectly matching medium-load power demands for industrial manufacturing, municipal engineering, commercial facilities and outdoor field operations. With a calibrated full-load fuel consumption of 15.1L/h, this SDEC diesel generator adopts professional industrial fuel supply and combustion matching technology, ensuring stable power output and strong load tolerance during long-hour continuous operation.

Equipped with a high-performance brushless self-excited alternator, the unit features premium H-grade high-temperature insulation and standard IP23 dust and splash protection grade, enabling stable operation in complex harsh environments including dusty factory workshops, humid suburban areas and open-air construction sites. Designed with standard 50Hz industrial frequency and 400V three-phase four-wire output, this 48kW prime power diesel generator fully complies with IEC international power supply standards and domestic industrial power utilization specifications. Developed with mature SDEC H-series industrial engine technology and optimized with British RICARDO technical support, the 4HT4.3-G22 engine adopts 4.3L large displacement, dry liner cylinder structure and four-valve direct injection combustion system, featuring sufficient power reserve, excellent high-temperature resistance and outstanding operational stability. It effectively solves common defects of conventional medium-power gensets such as insufficient peak power, unstable voltage output and easy overheating under long-load operation, serving as a trustworthy independent power generation and emergency backup power solution for various medium-load scenarios.

Every finished SDEC 4HT4.3-G22 generator set undergoes strict factory full-load aging testing, voltage and frequency stability calibration, insulation resistance detection and fuel consumption verification before delivery. With standardized SAIC MOTOR industrial assembly process, reinforced mechanical structure and ultra-low operational failure rate, this heavy-duty industrial diesel genset supports long-term unattended hot standby and continuous power generation, widely favored by engineering contractors, industrial manufacturers and property management teams for medium-power power guarantee projects.

2. Technical Parameter

3. Core Product Features

This 50Hz 48kW 60kVA SDEC 4HT4.3-G22 Diesel Generator Set adopts SDEC latest upgraded H-series heavy-duty engine technology, focusing on strong power reserve, extreme operational stability and harsh environment resistance. Different from conventional medium-power gensets, this industrial-grade 60kVA diesel generator is optimized for long-hour heavy-load continuous operation and frequent emergency startup conditions, with outstanding durability and practicability, fully meeting the high-standard power supply demands of industrial and engineering scenarios.

3.1 Heavy-Duty 4HT4.3-G22 H-Series Engine with Strong Power Reserve

Powered by authentic SDEC 4HT4.3-G22 G-drive dedicated engine jointly developed with British RICARDO technology, the unit adopts 4.3L large-displacement four-cylinder four-valve structure and dry liner cylinder design. Compared with ordinary same-power genset engines, it has more abundant power reserve and stronger anti-overload capability, effectively avoiding power attenuation under long-term medium and high-load operation. The precision direct injection combustion system ensures sufficient fuel combustion and stable power output, with a full-load fuel consumption of 15.1L/h, realizing perfect matching between power performance and operational stability. The optimized firing sequence and mechanical structure reduce operational vibration and fatigue loss, greatly extending the continuous operation cycle of the equipment.

3.2 Brushless Self-Excited Alternator for Low Maintenance & Stable Power Output

Matching a high-quality industrial brushless self-excited alternator, this 48kW prime power diesel generator completely abandons the defects of traditional brushed excitation structures such as carbon brush wear, electric spark interference and poor contact conduction. It achieves true maintenance-free excitation operation, greatly reducing daily maintenance frequency and after-sales failure rate. The full pure copper winding is processed with high-temperature anti-aging varnish, featuring low resistance, low heat generation and high conductivity, ensuring stable current transmission and long service life. The built-in AVR automatic voltage regulation system intelligently adjusts voltage in real time, effectively avoiding voltage surge and frequency jitter caused by load changes.

3.3 H-Grade Ultra-High Temperature Insulation & IP23 Harsh Environment Protection

The alternator adopts top-level H-grade high-temperature resistant insulation materials, which can withstand long-term full-load high-temperature operation and severe temperature changes without insulation aging, breakdown or equipment burnout. The standard IP23 professional protection grade can effectively block splashing rainwater, floating dust, debris and moist air, protecting internal circuits and precision components from environmental erosion. Whether in dusty industrial workshops, humid field working areas or open-air construction sites with variable weather, this SDEC diesel generator can maintain stable and safe 24-hour operation with excellent environmental adaptability.

3.4 Dual Power Mode to Meet Diversified Working Condition Demands

The genset supports dual power output modes to adapt to different application scenarios. The 48kW rated prime power supports 24-hour uninterrupted continuous power supply for conventional medium-load production and living equipment, suitable for long-term off-grid independent power generation. The 52kW/65kVA standby power can quickly respond to sudden municipal power failures and instantaneous peak load surges, providing reliable emergency power compensation. The high-precision power output ensures clean and stable power quality, which can well protect precision production equipment, monitoring systems and electrical devices from power fluctuation damage.

3.5 Flexible Structural Design & Wide Deployment Compatibility

The whole machine adopts compact integrated modular layout, with reasonable structural arrangement and small footprint, convenient for indoor fixed installation and outdoor mobile deployment. The optimized shock absorption base and integral silencer system effectively reduce operating vibration and running noise, complying with industrial and civil environmental protection noise standards. Users can choose open type for fixed workshop use, silent type for noise-sensitive commercial and residential areas, or mobile trailer type for frequent transfer engineering projects, with extremely high scene compatibility and deployment flexibility.

4. Core Product Uses

As a high-performance heavy-duty medium-power industrial diesel generation equipment, the 50Hz 48kW 60kVA SDEC 4HT4.3-G22 Diesel Generator Set is widely used for long-term continuous prime power supply, municipal power failure emergency standby power, grid peak load compensation and fixed hot standby power reserve, solving power shortage and sudden power outage risks in various industrial, commercial and engineering medium-load scenarios.

Long-Term Off-Grid Continuous Prime Power Supply: This 60kVA diesel generator provides stable independent power generation for remote industrial zones, field operation stations, rural processing bases, mining auxiliary areas and suburban facilities without complete municipal grid coverage, ensuring normal operation of medium-load mechanical equipment and daily electrical systems.

Emergency Standby Power for Sudden Grid Failure: The 65kVA high standby power can start up quickly in case of municipal power outage, providing uninterrupted emergency power guarantee for factory production lines, fire-fighting linkage systems, building monitoring equipment, emergency lighting and safety protection systems, avoiding production shutdown and economic losses caused by power interruption.

Grid Peak Load Compensation: For medium-sized factories and commercial parks with insufficient grid peak power capacity and unstable voltage, this SDEC diesel generator set can supplement power during peak power consumption periods, balance grid load pressure and improve regional power supply stability.

Long-Term Hot Standby Power Reserve: It is configured as fixed standby power equipment for industrial workshops, public institutions and commercial complexes, maintaining long-term hot standby state to respond to unexpected power failures at any time.

Temporary Power Supply for Outdoor Engineering Projects: It provides stable medium-load temporary power support for municipal infrastructure renovation, water conservancy engineering, road construction, field exploration and environmental monitoring projects, meeting the power consumption needs of medium-sized construction equipment and on-site living facilities.

5. Wide Application Scenarios

With heavy-duty power performance, large-displacement power reserve, stable medium-load operation and strong harsh environment adaptability, the SDEC 4HT4.3-G22 48kW diesel generator set covers industrial production, commercial operation, public infrastructure and outdoor engineering fields, becoming a reliable heavy-duty medium-power power generation solution for complex working conditions.

5.1 Medium-Sized Industrial Workshop Production

Ideal for mechanical processing workshops, hardware manufacturing factories, packaging production lines and rural industrial parks. The stable 48kW continuous power output fully meets daily medium-load production demands, and sufficient power reserve can cope with instantaneous load changes during equipment startup and operation. It effectively avoids production interruption caused by grid voltage instability and sudden power outages, ensuring continuous and stable industrial production operation.

5.2 Commercial Building & Logistics Park Backup Power

Suitable for medium-sized office buildings, comprehensive commercial centers, logistics distribution parks and community service complexes. It serves as core emergency backup power to ensure the normal operation of elevators, central air conditioning, monitoring systems, fire safety equipment and public emergency lighting during power outages, improving commercial operation safety and user experience.

5.3 Municipal & Outdoor Engineering Construction

Perfect for urban municipal renovation, rural infrastructure construction, water conservancy project maintenance, road engineering and field engineering operations. With IP23 outdoor protection performance and optional mobile trailer configuration, the unit adapts to complex open-air harsh environments such as wind, dust and splashing rain, supporting frequent equipment transfer and long-term on-site power supply for temporary engineering projects.

5.4 Public Institution & Infrastructure Power Guarantee

Widely applied in township hospitals, suburban campus clusters, scenic area supporting facilities and public service stations. The low-noise and stable operation will not interfere with public working and living environments, and the low-maintenance design is very suitable for long-term unattended standby operation of public infrastructure.

5.5 Monitoring & Communication Equipment Backup Power

Applicable for medium-sized communication base stations, field environmental monitoring stations, meteorological monitoring equipment and industrial auxiliary power equipment. High-precision stable power output avoids voltage surge and frequency jitter, effectively protecting precision electronic devices and ensuring 24-hour uninterrupted operation of monitoring and communication systems.

6. Frequently Asked Questions (FAQ)

Q1: What is the difference between prime power and standby power of the 4HT4.3-G22 60kVA diesel generator set?

Prime power (48kW/60kVA) refers to the rated continuous power that the genset can stably output for 24-hour long-term uninterrupted operation, which is designed for daily continuous off-grid power generation and regular medium-load production and living power consumption. Standby power (52kW/65kVA) is emergency peak power, only used for short-time power compensation during sudden municipal power outages or instantaneous load surges, and cannot support long-term full-load continuous operation. In actual on-site use, it is recommended to control the operating load within 80% of the prime power to avoid long-term overload operation, which can effectively extend the overall service life and maintain stable performance of the SDEC 4HT4.3-G22 generator set.

Q2: What makes the SDEC 4HT4.3-G22 engine different from ordinary generator engines?

The SDEC 4HT4.3-G22 is a heavy-duty H-series G-drive engine professionally developed for medium-power long-hour power generation working conditions, with core technical support from British RICARDO. Different from ordinary general-purpose engines, it adopts 4.3L large-displacement four-valve structure and dry liner design, featuring stronger power reserve, better high-temperature resistance and longer continuous operation life. The precision direct injection combustion system ensures stable power output under harsh working conditions, and the optimized mechanical structure greatly reduces failure rate. It is far more suitable for industrial continuous power supply and outdoor harsh environment operation than ordinary civilian generator engines.

Q3: What routine maintenance does the 50Hz 48kW 60kVA SDEC diesel generator require?

Benefiting from the mature brushless self-excited alternator design and SDEC H-series heavy-duty industrial engine structure, this genset has low daily maintenance pressure. Daily routine inspection only needs to check diesel fuel level, cooling water capacity and 24V battery starting status to ensure normal standby condition. Users need to regularly clean radiator dust and ventilation gaps to guarantee unobstructed heat dissipation and prevent high-temperature overload. Replace engine oil, fuel filter and oil filter regularly according to cumulative operating hours. There is no need for regular carbon brush replacement and complex mechanical debugging as traditional brushed generators, greatly saving daily operation and maintenance time and economic costs.