Overview
- Summary
- JungHo Engineering, established in 1992, is a specialized manufacturer of hoist and crane safety devices and related components. The company pioneered the development of SCR-type soft starters and digital load limiters in Korea, significantly enhancing the safety and reliability of material handling equipment. Its products feature precise load detection, display capabilities, and instantaneous malfunction prevention. Through a commitment to quality management and creative innovation, JungHo Engineering has established itself as a leading provider of industrial machinery safety solutions.JungHo Engineering, established in 1992, is a specialized manufacturer of hoist and crane safety devices and related components. The company pioneered the development of SCR-type soft starters and digital load limiters in Korea, significantly enhancing the safety and reliability of material handling equipment. Its products feature precise load detection, display capabilities, and instantaneous malfunction prevention. Through a commitment to quality management and creative innovation, JungHo Engineering has established itself as a leading provider of industrial machinery safety solutions.
- Key Products/Technologies
- Digital Load Limiter (JDL-100): Utilizing a Microcomputer for precise load detection and display functions. Incorporating an instantaneous malfunction prevention feature to counter sudden crane movements. Providing an automatic reset function during descent by accurately memorizing ascent times. Offering convenient wiring and installation through the use of an external CT. Applicable to motors with AC 200V ~ 480V voltage and currents below 99.9A.Digital Load Limiter (JDL-100): Utilizing a Microcomputer for precise load detection and display functions. Incorporating an instantaneous malfunction prevention feature to counter sudden crane movements. Providing an automatic reset function during descent by accurately memorizing ascent times. Offering convenient wiring and installation through the use of an external CT. Applicable to motors with AC 200V ~ 480V voltage and currents below 99.9A.
- SCR Type Soft Starter: A device designed to limit the large inrush current generated during the startup of induction motors. Employing anti-parallel thyristors (SCRs) to adjust the voltage applied to the motor through a VVCF (Variable Voltage Constant Frequency) system. Featuring comprehensive motor protection functions, including trip capabilities for overload, phase loss, inter-phase short circuit, and SCR overheating.SCR Type Soft Starter: A device designed to limit the large inrush current generated during the startup of induction motors. Employing anti-parallel thyristors (SCRs) to adjust the voltage applied to the motor through a VVCF (Variable Voltage Constant Frequency) system. Featuring comprehensive motor protection functions, including trip capabilities for overload, phase loss, inter-phase short circuit, and SCR overheating.
- Silicon Rectifier (SCR - Silicon Controlled Rectifier): A four-layer semiconductor device used as a switch to control AC or DC current in a circuit. Operating by allowing a small current flow when the positive lead of the power source is connected to the SCR's gate terminal, enabling current conduction. Press-pack type SCRs are suitable for high-current projects, supporting currents over 200A and voltages exceeding 1200V.Silicon Rectifier (SCR - Silicon Controlled Rectifier): A four-layer semiconductor device used as a switch to control AC or DC current in a circuit. Operating by allowing a small current flow when the positive lead of the power source is connected to the SCR's gate terminal, enabling current conduction. Press-pack type SCRs are suitable for high-current projects, supporting currents over 200A and voltages exceeding 1200V.
- Hoist-Crane Safety Devices and Related Components: Development and production of various electrical safety devices and components for overload prevention and safe operation of hoists and cranes. Providing essential solutions to enhance worker safety and machine reliability in industrial settings.Hoist-Crane Safety Devices and Related Components: Development and production of various electrical safety devices and components for overload prevention and safe operation of hoists and cranes. Providing essential solutions to enhance worker safety and machine reliability in industrial settings.
- Core Advantages
- Pioneering Technology Development: Holding leading technological capabilities through the first-in-Korea development of SCR-type soft starters and digital load limiters.Pioneering Technology Development: Holding leading technological capabilities through the first-in-Korea development of SCR-type soft starters and digital load limiters.
- Precise Safety Device Technology: Ensuring high safety levels with Microcomputer-based load limiters featuring precise load detection and instantaneous malfunction prevention.Precise Safety Device Technology: Ensuring high safety levels with Microcomputer-based load limiters featuring precise load detection and instantaneous malfunction prevention.
- Customized Solution Provision: Offering a diverse product lineup applicable to various hoist and crane systems, with designs focused on ease of installation.Customized Solution Provision: Offering a diverse product lineup applicable to various hoist and crane systems, with designs focused on ease of installation.
- Commitment to Quality Management and Innovation: Continuously striving for technological advancement based on management philosophies of quality management, creative realization, and eco-friendly product manufacturing for customer satisfaction.Commitment to Quality Management and Innovation: Continuously striving for technological advancement based on management philosophies of quality management, creative realization, and eco-friendly product manufacturing for customer satisfaction.
- Expertise in Industrial Safety: Accumulating extensive technology and experience since its establishment in 1992, specializing in hoist-crane safety devices, positioning it as a top-tier expert in Korea.Expertise in Industrial Safety: Accumulating extensive technology and experience since its establishment in 1992, specializing in hoist-crane safety devices, positioning it as a top-tier expert in Korea.
- Enhanced Motor Protection Features: Providing comprehensive motor protection through soft starter functions such as overload, phase loss, inter-phase short circuit, and SCR overheating trip capabilities.Enhanced Motor Protection Features: Providing comprehensive motor protection through soft starter functions such as overload, phase loss, inter-phase short circuit, and SCR overheating trip capabilities.
- Target Industrie
- Material Handling Equipment Industry: Ensuring safety for heavy lifting and loading equipment like hoists and cranes.Material Handling Equipment Industry: Ensuring safety for heavy lifting and loading equipment like hoists and cranes.
- Construction Industry: Managing safety for cranes and lifting equipment at construction sites.Construction Industry: Managing safety for cranes and lifting equipment at construction sites.
- Logistics Industry: Facilitating efficient operation and safety maintenance of transport facilities used in warehouses and ports.Logistics Industry: Facilitating efficient operation and safety maintenance of transport facilities used in warehouses and ports.
- Manufacturing Industry: Strengthening the safety of heavy material handling equipment in factory production lines.Manufacturing Industry: Strengthening the safety of heavy material handling equipment in factory production lines.
- Major Markets
- Certifications/Patents
- Korea Occupational Safety and Health Agency (KOSHA) certified products (Load Limiter products)Korea Occupational Safety and Health Agency (KOSHA) certified products (Load Limiter products)
- KSF4529 Towel Rail Standard Certification (JungHo ENG, first certified on 2025-07-16) (Note: 'JungHo ENG' and 'JungHo Engineering' appear to be separate entities, but included for informational purposes as found in search results)KSF4529 Towel Rail Standard Certification (JungHo ENG, first certified on 2025-07-16) (Note: 'JungHo ENG' and 'JungHo Engineering' appear to be separate entities, but included for informational purposes as found in search results)
- Soft Starter Device and Manufacturing Method related technology (SCR-equipped soft starter system circuit diagram and control method technology)Soft Starter Device and Manufacturing Method related technology (SCR-equipped soft starter system circuit diagram and control method technology)
Introduction
Location
10-7 Abangni 3-gil, Gwangmyeong-si, Gyeonggi-do, South Korea
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