60Hz SDEC 4Z3.2-G12 30kW/37.5kVA Diesel Generator Set

60Hz SDEC 4Z3.2-G12 30kW/37.5kVA Diesel Generator Set

60Hz SDEC  30kW/37.5kVA Diesel Generator Set

1. Technical Parameter

Parameter Item

Technical Data

Unit Model

SDEC 4Z3.2-G12 Diesel Generator Set

Rated Frequency

60Hz

Prime Power (kW/kVA)

30kW/37.5kVA

Standby Power (kW/kVA)

33kW/41kVA

100% Full Load Fuel Consumption

7.71L/H

Rated Speed

1800RPM

Rated Voltage

400/230V, 3 Phase 4 Wire

Power Factor

0.8 Lagging

Engine Brand

SDEC (Shanghai Diesel Engine)

Engine Model

4Z3.2-G12

Engine Type

4-Cylinder In-line, 4-Stroke, Water-Cooled

Fuel Injection Mode

Direct Injection

Alternator Excitation Type

Brushless, Self-Excited

Insulation Class

H Grade

Protection Grade

IP23

Voltage Regulation System

Automatic AVR Voltage Regulation

Steady-State Voltage Accuracy

≤±0.5%

Starting System

24V Electric Start

Operating Temperature Range

-25℃ ~ 50℃

Max Working Altitude

≤1000m

2. Product Features

The SDEC 4Z3.2-G12 30kW/37.5kVA 60Hz diesel generator set is a mid-range power generating unit optimized for global 60Hz power grid standards. Designed and manufactured by Shanghai Diesel Engine, this 30kW 60Hz diesel generator set delivers stable continuous power, reliable transient response and durable overall structure, making it a cost-effective solution for industrial standby, commercial backup and overseas off-grid power projects. It balances power output quality, operational stability and daily maintenance cost, which is widely favored by engineering contractors and end users.

In terms of power performance, the unit adopts the original SDEC 4Z3.2-G12 dedicated diesel engine with four-cylinder in-line water-cooled structure and precise direct injection fuel supply system. The rated prime power reaches 30kW/37.5kVA for long-duration continuous operation, while the standby power can hit 33kW/41kVA to handle sudden load spikes. With a fixed speed of 1800RPM, it perfectly matches 60Hz frequency requirements, ensuring ultra-stable voltage and frequency output without obvious fluctuations during full-load or partial-load operation. As a high-performance 37.5kVA industrial diesel generator, it effectively avoids equipment shutdown and production loss caused by unstable power supply.

In terms of fuel economy and operational efficiency, the unit maintains controlled fuel consumption under full-load working conditions, with a rated fuel consumption of 7.71L per hour. The optimized combustion chamber structure and fuel atomization technology improve fuel utilization efficiency, realizing stable power output with reasonable fuel cost. The SDEC original power core features low mechanical wear and low lubricating oil consumption, maintaining consistent performance after thousands of operating hours. It effectively reduces long-term operating expenses and downtime losses, achieving reliable and economical power generation for medium-load scenarios.

For safety and durability, the matched brushless self-excited alternator removes traditional carbon brush components, eliminating common faults such as carbon brush wear, spark discharge and poor contact failure. With fewer vulnerable parts, the whole unit features lower failure rate and higher continuous operation reliability. Equipped with H-grade high-temperature resistant insulation materials, the alternator can resist electrical aging and breakdown under high-temperature and humid working environments. The IP23 protection grade provides effective dustproof and splash-proof performance, protecting internal mechanical and electrical components from external debris and rain erosion, greatly extending the service life of the industrial backup generator set.

In terms of operation and maintenance convenience, the unit is equipped with a high-precision AVR automatic voltage regulation module, which realizes real-time voltage stabilization and frequency calibration without frequent manual adjustment. The integrated compact frame structure saves installation space and supports flexible moving and quick deployment. The internal pipeline and circuit layout are standardized and intuitive, lowering the technical threshold for daily inspection and maintenance. It supports unattended long-term standby operation and intermittent off-grid power supply, adapting to diverse working modes of commercial and industrial scenarios.

In terms of global adaptability, this 60Hz export diesel generator set is fully calibrated for international 60Hz power standards, compatible with power grid specifications in Southeast Asia, Africa, the Middle East, Latin America and other overseas regions. It adapts to complex climatic conditions such as high temperature, humidity and dust, with strong environmental tolerance and stable export quality, becoming a mainstream mid-power model for foreign trade power supply projects.

3. Application Scenarios

With its 30kW stable prime power, 33kW emergency standby capacity and standard 60Hz power output, the SDEC 4Z3.2-G12 diesel generator set covers various medium-load power demand scenarios, widely used in commercial emergency backup, small and medium industrial production, outdoor field operation, overseas project supporting and intelligent system power guarantee.

3.1 Commercial & Public Facility Emergency Power Backup

This commercial standby diesel generator is suitable for medium-sized shopping malls, comprehensive office buildings, hotel resorts, community property facilities, campus buildings and public service institutions. When municipal power fails or undergoes scheduled power cuts, the unit can start rapidly to supply stable power for lighting systems, security monitoring, office equipment, fire emergency facilities and weak current systems, ensuring uninterrupted daily operation of commercial and public venues and avoiding economic losses and safety hazards caused by power outages.

3.2 Small & Medium Industrial Production Power Supply

It is widely applied in mechanical processing workshops, electronic assembly factories, packaging production lines, hardware manufacturing plants and precision testing laboratories. It can serve as both daily auxiliary power and emergency backup power for industrial production. Its stable voltage and frequency output prevents processing errors, equipment jitter and instrument failure caused by power fluctuation, effectively guaranteeing continuous and standardized industrial production progress.

3.3 Off-Grid Field Construction Power Supply

Ideal for field scenarios without municipal power coverage, including road and bridge engineering, municipal infrastructure renovation, field geological exploration, rural infrastructure construction and temporary construction sites. The flexible movable structure adapts to complex outdoor working conditions, and reliable medium-load power output fully meets the power consumption needs of construction machinery, welding equipment and on-site living facilities, solving the power shortage problem of off-grid field operation.

3.4 Overseas Engineering & Foreign Trade Power Matching

Tailored for global 60Hz power markets, the unit is the preferred power generation equipment for overseas medium-sized engineering projects, residential community supporting power, overseas warehouse standby power and remote rural independent power supply. With standard 60Hz frequency output, excellent environmental adaptability and complete after-sales support system, it enjoys high market recognition in overseas generator export business.

3.5 Communication & Smart Monitoring Standby Power

It provides uninterrupted emergency power guarantee for outdoor communication base stations, smart city monitoring systems, environmental detection equipment and industrial weak current control systems. Continuous and stable power output avoids signal interruption, monitoring blind spots and equipment shutdown caused by sudden power failure, ensuring long-term stable operation of intelligent equipment and communication systems.

4. Core Purpose

The SDEC 4Z3.2-G12 30kW/37.5kVA 60Hz diesel generator set is positioned as a high-reliability medium-power power generation device, focusing on solving core power supply problems such as sudden municipal power outage, unstable grid voltage and no grid coverage in medium-load industrial and commercial scenarios. It integrates emergency backup, off-grid power generation and power quality optimization to provide all-round power supply solutions for users.

First, it provides reliable emergency standby power supply for industrial and commercial scenarios. As a practical medium power standby diesel generator, it acts as the core backup power source for factories, commercial venues and public facilities. Once the municipal power system fails, the unit can quickly switch to power supply state, ensuring the normal operation of key production equipment and safety facilities, minimizing power outage losses and meeting emergency power guarantee requirements in various industries.

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

Third, it optimizes and stabilizes power supply quality. Equipped with advanced brushless self-excited excitation technology and high-precision AVR automatic voltage regulation system, the unit effectively suppresses voltage and frequency fluctuation, improves overall power supply quality, and protects precision electrical equipment and testing instruments from impact damage caused by unstable power supply. It is especially suitable for scenarios with high requirements for power supply stability such as electronic processing and precision detection.

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

5. FAQ (Frequently Asked Questions)

Q1: What is the actual usage difference between prime power and standby power of the 4Z3.2-G12 generator set?

The 30kW/37.5kVA prime power refers to the rated continuous power, supporting long-term uninterrupted full-load operation, which is applicable to daily off-grid main power supply and long-duration continuous power generation. The 33kW/41kVA standby power is emergency peak power with a 10% overload margin, only designed for short-term emergency power supply during municipal power outages and cannot work under full load for a long time. In actual use, users must distinguish application scenarios reasonably to avoid long-term overload operation, so as to prevent equipment failure and extend unit service life.

Q2: Is the SDEC 4Z3.2-G12 generator set suitable for 60Hz overseas export projects?

This unit is professionally calibrated for global 60Hz power frequency standards with a rated speed of 1800RPM, fully matching the power grid and electrical equipment specifications of all 60Hz countries and regions. Adopting IP23 dust and splash proof protection and H-grade high-temperature resistant insulation structure, it can adapt to complex overseas climatic environments such as high temperature, humidity and heavy dust. Supported by SDEC’s mature global after-sales system, it features stable performance and high cost performance, being one of the most popular 60Hz medium power diesel generators for foreign trade export projects.

Q3: How to maintain the 4Z3.2-G12 generator set to keep stable performance and standard fuel consumption?

The standard full-load fuel consumption of the unit is 7.71L/H. Daily standardized maintenance can effectively maintain its stable operating state and fixed fuel consumption level. First, avoid long-term overload operation and match the load reasonably according to actual power demand to reduce invalid fuel consumption. Second, replace diesel filter, oil filter and air filter regularly to ensure sufficient fuel combustion and clean air intake. Third, use qualified standard diesel fuel to prevent carbon deposition and power instability caused by inferior fuel. Fourth, inspect the cooling system and circuit system periodically to ensure good heat dissipation and stable power generation, reduce failure rate and maintain long-term efficient operation.

 


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