Kyungdong Electric, The Republic of Korea - Komachine Supplier Profile and Product List

- Kyungdong Electric, established in 1980, specializes in the manufacturing of heavy electrical equipment such as circuit breakers, switchgear, and electrical contacts, alongside providing precise inspection and preventive maintenance for switchgear. The company aims to protect lives and assets from electrical hazards by offering diverse high and low-voltage power equipment solutions as a leading power IT company. Key products include air circuit breakers, automatic transfer switches, and auto sectionalizing switches, contributing to the development of domestic power infrastructure.Kyungdong Electric, established in 1980, specializes in the manufacturing of heavy electrical equipment such as circuit breakers, switchgear, and electrical contacts, alongside providing precise inspection and preventive maintenance for switchgear. The company aims to protect lives and assets from electrical hazards by offering diverse high and low-voltage power equipment solutions as a leading power IT company. Key products include air circuit breakers, automatic transfer switches, and auto sectionalizing switches, contributing to the development of domestic power infrastructure.
- Air Circuit Breaker (ACB, Model: KD05 Series): Fixed, draw-out, and detachable types. Enhanced operational reliability through digital overcurrent relays with high-precision A/D conversion circuits. Features LED displays for load status and current values, facilitating self-performance testing. Achieves 85% reduction in size and weight, with simplified external dimensions (from 4 to 3 types: 630~1600A, 2000~2500A, 3200~4000A) for improved efficiency. The detachable type incorporates a TMS CHIP (microcomputer) for automatic display of three-phase voltage, current, frequency, power factor, and active/reactive power.Air Circuit Breaker (ACB, Model: KD05 Series): Fixed, draw-out, and detachable types. Enhanced operational reliability through digital overcurrent relays with high-precision A/D conversion circuits. Features LED displays for load status and current values, facilitating self-performance testing. Achieves 85% reduction in size and weight, with simplified external dimensions (from 4 to 3 types: 630~1600A, 2000~2500A, 3200~4000A) for improved efficiency. The detachable type incorporates a TMS CHIP (microcomputer) for automatic display of three-phase voltage, current, frequency, power factor, and active/reactive power.
- Auto Transfer Switches (ATS, Models: ATS 100~400A, ATS 600~3200A): The 100~400A models offer reliable transfer with excellent latching action, maximum conduction with minimum operating current, outstanding opening/closing performance, and compact, lightweight design. The 600~3200A models feature a completely independent molded structure for each phase, significantly reducing external dimensions. Designed with a trip device allowing a neutral (OFF) position, enabling transfer only after confirming load stability and safety.Auto Transfer Switches (ATS, Models: ATS 100~400A, ATS 600~3200A): The 100~400A models offer reliable transfer with excellent latching action, maximum conduction with minimum operating current, outstanding opening/closing performance, and compact, lightweight design. The 600~3200A models feature a completely independent molded structure for each phase, significantly reducing external dimensions. Designed with a trip device allowing a neutral (OFF) position, enabling transfer only after confirming load stability and safety.
- Air Insulated Auto Sectionalizing Switches (AISS, Model: AISS): The first indoor type developed in Korea, registered under the brand name AISS. The Combination AISS (integrated type) utilizes a patented CT support insulator, combining a current-limiting fuse and lightning arrester for effective package panel production. The general type is installed at customer receiving points (on 22.9kV-y distribution lines) to automatically isolate fault sections, minimizing outage damage. Specifications include a rated voltage of 25.8kV, rated breaking current of 900A, and rated current of 200A.Air Insulated Auto Sectionalizing Switches (AISS, Model: AISS): The first indoor type developed in Korea, registered under the brand name AISS. The Combination AISS (integrated type) utilizes a patented CT support insulator, combining a current-limiting fuse and lightning arrester for effective package panel production. The general type is installed at customer receiving points (on 22.9kV-y distribution lines) to automatically isolate fault sections, minimizing outage damage. Specifications include a rated voltage of 25.8kV, rated breaking current of 900A, and rated current of 200A.
- Power Fuse (PF, Model: PF): Provides source-side protection for transformers, cable feeders, and capacitor banks from faults. Designed to melt and protect electrical equipment and reduce outage areas in case of load-side faults.Power Fuse (PF, Model: PF): Provides source-side protection for transformers, cable feeders, and capacitor banks from faults. Designed to melt and protect electrical equipment and reduce outage areas in case of load-side faults.
- Cable Terminator (CH, Model: CH): The first 25kV all-in-one contamination-withstand cable terminator developed in Korea in 1982. Offers excellent insulation performance even in areas affected by salt or pollution.Cable Terminator (CH, Model: CH): The first 25kV all-in-one contamination-withstand cable terminator developed in Korea in 1982. Offers excellent insulation performance even in areas affected by salt or pollution.
- Over 40 Years of Experience and Accumulated Technology: A long history since 1980, demonstrating extensive expertise and experience in the heavy electrical equipment sector. A leading position in switchgear precision inspection and preventive maintenance.Over 40 Years of Experience and Accumulated Technology: A long history since 1980, demonstrating extensive expertise and experience in the heavy electrical equipment sector. A leading position in switchgear precision inspection and preventive maintenance.
- Proprietary Patented Technologies: Leveraging patented technologies like 'Instrument Transformer using Insulating Gas' to maximize product safety and reliability. Holding patents for AISS CT support insulators (Patent No. 10-2008-0046262) and utility models for AISS control boxes (Utility Model No. 0182617).Proprietary Patented Technologies: Leveraging patented technologies like 'Instrument Transformer using Insulating Gas' to maximize product safety and reliability. Holding patents for AISS CT support insulators (Patent No. 10-2008-0046262) and utility models for AISS control boxes (Utility Model No. 0182617).
- Cost Competitiveness through Vertical Integration: Direct production of electric contacts for high-voltage switches, ensuring price competitiveness for high-voltage equipment sets. This capability provides a significant market advantage.Cost Competitiveness through Vertical Integration: Direct production of electric contacts for high-voltage switches, ensuring price competitiveness for high-voltage equipment sets. This capability provides a significant market advantage.
- Customized Power Solutions: Designing and manufacturing custom-made solutions that reflect specific customer requirements and on-site conditions. Offering a broad product lineup to meet various voltage and current specifications.Customized Power Solutions: Designing and manufacturing custom-made solutions that reflect specific customer requirements and on-site conditions. Offering a broad product lineup to meet various voltage and current specifications.
- Advanced Products and User Convenience: Integration of digital protective relays in ACBs, miniaturization, lightweight design, and modular construction for easier maintenance. ATS products feature independent molded structures and a neutral (OFF) position design for enhanced stability and safety.Advanced Products and User Convenience: Integration of digital protective relays in ACBs, miniaturization, lightweight design, and modular construction for easier maintenance. ATS products feature independent molded structures and a neutral (OFF) position design for enhanced stability and safety.
- Quality and Safety Certifications: Attainment of ISO 9001 and ISO 14001 certifications, along with Korean Industrial Standards (KSC 8330) and Group Standards (KEMC 1144, KEMC 1177) approvals. Possession of Public Inspection Test Exemption Certificates, affirming product reliability.Quality and Safety Certifications: Attainment of ISO 9001 and ISO 14001 certifications, along with Korean Industrial Standards (KSC 8330) and Group Standards (KEMC 1144, KEMC 1177) approvals. Possession of Public Inspection Test Exemption Certificates, affirming product reliability.
- Power Infrastructure Industry: Supplying core components for power systems including power plants, substations, and distribution lines.Power Infrastructure Industry: Supplying core components for power systems including power plants, substations, and distribution lines.
- Construction and Plant Industry: Installation of switchgear and power equipment in large-scale power consumption sites such as factories and buildings.Construction and Plant Industry: Installation of switchgear and power equipment in large-scale power consumption sites such as factories and buildings.
- Manufacturing and Commercial Buildings: Providing solutions for industrial sites and commercial facilities where stable power supply is critical.Manufacturing and Commercial Buildings: Providing solutions for industrial sites and commercial facilities where stable power supply is critical.
- Korea Electric Power Corporation (KEPCO) and Large Power Consumers: Supplying essential instrument transformers (MOF) for power consumption measurement and billing systems.Korea Electric Power Corporation (KEPCO) and Large Power Consumers: Supplying essential instrument transformers (MOF) for power consumption measurement and billing systems.
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- Patent: Instrument Transformer using Insulating GasPatent: Instrument Transformer using Insulating Gas
- Patent: AISS CT Support Insulator (Patent No: 10-2008-0046262)Patent: AISS CT Support Insulator (Patent No: 10-2008-0046262)
- Utility Model: AISS Control Box (Utility Model No: 0182617)Utility Model: AISS Control Box (Utility Model No: 0182617)
- Certification: ISO 9001 (2000 version)Certification: ISO 9001 (2000 version)
- Certification: ISO 14001Certification: ISO 14001
- Certification: Korean Industrial Standard (KSC 8330) Approval (1994.06)Certification: Korean Industrial Standard (KSC 8330) Approval (1994.06)
- Certification: Group Standard (KEMC 1144, KEMC 1177) Approval (1997.12)Certification: Group Standard (KEMC 1144, KEMC 1177) Approval (1997.12)
- Certification: V-CHECK Product CertificateCertification: V-CHECK Product Certificate
- Certification: Public Inspection Test Exemption Certificate (AISS General Type, AISS Integrated Type, CH Cable Terminator)Certification: Public Inspection Test Exemption Certificate (AISS General Type, AISS Integrated Type, CH Cable Terminator)