60Hz SDEC 4HT4.3-G22 56kW/70kVA Diesel Generator Set

60Hz  SDEC  56kW/70kVA Diesel Generator Set

1. Technical Parameter

2. Product Features

The SDEC 4HT4.3-G22 56kW/70kVA 60Hz diesel generator set is an upgraded medium-large power generating unit from SDEC H-series engine platform. Tailored for global 60Hz power grid standards and medium-heavy load working conditions, this 56kW 60Hz diesel generator set delivers stronger power output, superior load resistance and higher operational stability compared with conventional same-level generators. It is widely applied as reliable 70kVA industrial diesel generator for industrial standby power, commercial emergency power and overseas off-grid power supply projects, earning stable market reputation for its solid performance and low failure rate.

In terms of power performance, the unit adopts the original SDEC 4HT4.3-G22 4.3L large-displacement four-cylinder water-cooled diesel engine. Equipped with precise direct injection fuel system and electronic governing technology, it realizes sensitive speed regulation and stable power output. The rated prime power reaches 56kW/70kVA, supporting long-duration full-load continuous operation. The standby power can reach 60kW/75kVA, providing sufficient power margin to handle sudden load spikes and impact loads commonly seen in industrial equipment. The 1800RPM constant-speed operation perfectly matches 60Hz frequency requirements worldwide. Combined with high-precision AVR automatic voltage regulation system, the unit maintains ultra-low fluctuation voltage and frequency during operation, effectively avoiding equipment jitter, production errors and system shutdown caused by unstable power supply.

In terms of structural reliability and durability, the 4HT4.3-G22 engine adopts optimized reinforced structure and upgraded cooling and lubrication system, greatly improving continuous load resistance under high-temperature and high-load conditions. The matched brushless self-excited alternator removes traditional carbon brush wear components, eliminating frequent faults such as poor contact and spark ignition. With H-grade high-temperature resistant insulation material, the alternator can withstand long-term high-temperature operation without aging or breakdown. The IP23 professional protection grade provides effective dustproof and splash-proof performance, allowing the unit to run stably in dusty workshops, humid outdoor environments and complex construction sites, significantly reducing daily maintenance frequency.

In terms of operational economy and practicability, the unit features matched fuel combustion calibration, with a controllable full-load fuel consumption of 17L/H. The optimized fuel atomization and air intake structure improves combustion efficiency, ensuring sufficient power output while maintaining reasonable fuel cost. The whole unit adopts integrated modular design, with neat internal pipeline and circuit layout, making daily inspection, troubleshooting and routine maintenance more convenient. It supports long-term unattended standby operation and intermittent off-grid power generation, adapting to diversified working modes of industrial and commercial scenarios. As a mature 60Hz export diesel generator set, it has passed strict factory calibration and environmental adaptability tests, fully meeting overseas project power supply standards.

In terms of safety protection, the generator set is equipped with complete built-in protection functions including overload protection, overvoltage protection, undervoltage protection and overheat shutdown protection. Once abnormal working conditions occur, the unit will automatically alarm and stop to protect the generator body and rear-end electrical equipment from damage. Backed by SDEC’s global after-sales service network, users can obtain fast technical support and spare parts supply, ensuring long-term stable and safe operation of the equipment.

3. Application Scenarios

Thanks to its 56kW stable continuous power, 60kW emergency standby power and high-quality 60Hz standard power output, the SDEC 4HT4.3-G22 diesel generator set is widely used in medium and heavy-load power demand scenarios, covering industrial production backup, commercial facility emergency power, outdoor off-grid construction and overseas engineering supporting power supply.

3.1 Industrial Factory Emergency Standby Power

This industrial standby diesel generator is highly suitable for medium-sized processing plants, machinery manufacturing workshops, automated production lines, hardware processing factories and electronic assembly workshops. For industrial scenarios that require high power supply continuity, the unit can start and switch power supply rapidly during municipal power failure or power limitation, ensuring continuous operation of production equipment, precision testing instruments and workshop electrical systems. It effectively avoids batch product scrapping and production stagnation losses caused by sudden power outages, becoming essential power guarantee equipment for industrial production.

3.2 Commercial & Public Facility Power Backup

It is widely used in large shopping malls, commercial complexes, high-rise office buildings, hotel groups, residential communities, campus facilities and municipal public institutions. When grid power is interrupted unexpectedly, the generator set can provide stable emergency power for lighting systems, security monitoring devices, fire fighting equipment, elevator systems and weak current facilities, ensuring the normal operation of commercial and public places and eliminating potential safety hazards caused by power outages.

3.3 Outdoor Field Off-Grid Power Supply

Ideal for off-grid areas without municipal power coverage, including road and bridge construction, municipal infrastructure renovation, field exploration, water conservancy projects and remote construction sites. The unit features strong environmental adaptability and stable heavy-load performance, fully meeting the power consumption demands of construction machinery, welding equipment, temporary living facilities and on-site office equipment. It solves the core power supply problem of off-grid field operation and supports long-term outdoor construction work.

3.4 Overseas Engineering & Foreign Trade Power Projects

Specially calibrated for global 60Hz power frequency standards, the unit is fully compatible with local power grid specifications in Southeast Asia, Africa, the Middle East, Latin America and other regions. It is commonly used for overseas factory standby power, residential community supporting power, remote area independent power supply and foreign engineering temporary power use. With stable performance and strong environmental adaptability, it is a cost-effective mainstream model in the medium-large power diesel generator export market.

3.5 Communication & Intelligent System Emergency Power

The generator set provides reliable uninterrupted power guarantee for outdoor communication base stations, smart city monitoring systems, environmental monitoring equipment and industrial control systems. Its stable and low-fluctuation power output prevents signal interruption, monitoring failure and system shutdown caused by power failure, ensuring continuous and stable operation of intelligent equipment and communication facilities.

4. Core Purpose

The SDEC 4HT4.3-G22 56kW/70kVA 60Hz diesel generator set is positioned as a high-reliability medium-large power industrial power generation equipment. It is mainly designed to solve practical power supply problems such as sudden municipal power outage, unstable grid power quality and insufficient power supply capacity in off-grid areas, providing integrated power solutions including emergency backup power, off-grid independent power generation and power quality stabilization.

First, it provides high-reliability emergency standby power supply for medium and heavy-load industrial and commercial scenarios. As a practical 56kW standby diesel generator, it serves as the core backup power source for factories and commercial facilities. When municipal power fails suddenly, the unit can respond quickly to complete power switching, ensuring the continuous operation of key production equipment and safety facilities, minimizing power outage economic losses and meeting high-standard emergency power guarantee requirements.

Second, it acts as the main independent power supply for off-grid and remote scenarios. In field construction sites, remote mountainous areas and unpowered overseas regions without grid support, the unit can operate stably for a long time, providing standard 60Hz AC power for production machinery, construction equipment and daily living facilities, completely solving the long-term power shortage dilemma of off-grid working environments.

Third, it optimizes and stabilizes power supply quality. Equipped with advanced brushless self-excited excitation technology and electronic speed regulation plus AVR dual stabilization system, the unit can effectively suppress voltage and frequency fluctuation, filter power supply clutter and improve overall power supply quality. It can effectively protect precision electrical equipment and industrial instruments from impact damage caused by unstable power supply, and is very suitable for high-precision production and monitoring scenarios with strict power quality requirements.

In addition, the unit supports grid peak shaving operation. In areas with tight municipal power supply and peak power restriction policies, it can be started during peak power consumption periods to share partial load, reduce enterprise peak power consumption pressure, and effectively lower daily operational energy costs.

5. FAQ (Frequently Asked Questions)

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

The 56kW/70kVA prime power is the rated continuous power of the unit, which supports long-term full-load uninterrupted operation and is applicable to daily off-grid main power supply and long-time continuous power generation. The 60kW/75kVA standby power is emergency peak power with a certain overload margin, only used for short-term emergency power supply during municipal power outages. It is not allowed to operate under full standby load for a long time in daily use. Reasonable distinction between the two power modes can effectively avoid equipment overload failure and prolong the service life of the generator set.

Q2: Is the SDEC 4HT4.3-G22 generator set suitable for 60Hz overseas export projects?

This unit is professionally calibrated for international 60Hz power standards with a rated speed of 1800RPM, fully matching the power grid and electrical equipment specifications of all 60Hz countries. It adopts IP23 dust and splash proof structure and H-grade high-temperature resistant insulation, adapting to complex overseas climates such as high temperature, humidity and multi-dust environments. With stable power performance and complete after-sales support system, it is one of the most popular 70kVA 60Hz export diesel generators for foreign trade engineering and residential power projects.

Q3: How to maintain the 4HT4.3-G22 generator set to keep stable performance and standard fuel consumption?

The standard full-load fuel consumption of this unit is 17L/H. Daily standardized maintenance can keep the equipment in stable working condition and maintain standard fuel consumption level. Users should avoid long-term overload operation and reasonably match the load according to actual power demand. Regular replacement of diesel filter, oil filter and air filter ensures sufficient fuel combustion and clean air intake. It is necessary to use qualified standard diesel oil to prevent carbon deposition and power instability. In addition, regular inspection of cooling system and electrical control system can reduce failure rate and ensure long-term efficient and stable operation of the generator set.