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

- Seojeon Electric Machinery is a specialized company providing excellent power equipment such as distribution boards, switchgears, high-voltage enclosed switchgears, and power receiving and distribution boards, driven by continuous R&D investment in heavy electrical equipment since its establishment in 1988. The company offers a diverse product lineup including eco-friendly switchgears, medium-voltage switchgears, low-voltage switchgears, motor control centers, gas-insulated switchgears, seismic-resistant switchgears, and smart grid systems. Its commitment to perfect quality assurance and environmental management systems aims for customer satisfaction, playing a crucial role in the power industry's infrastructure and facilities.Seojeon Electric Machinery is a specialized company providing excellent power equipment such as distribution boards, switchgears, high-voltage enclosed switchgears, and power receiving and distribution boards, driven by continuous R&D investment in heavy electrical equipment since its establishment in 1988. The company offers a diverse product lineup including eco-friendly switchgears, medium-voltage switchgears, low-voltage switchgears, motor control centers, gas-insulated switchgears, seismic-resistant switchgears, and smart grid systems. Its commitment to perfect quality assurance and environmental management systems aims for customer satisfaction, playing a crucial role in the power industry's infrastructure and facilities.
- Environment Friendly Compact type Switchgears (SJE-A-R, SJE-B-R): Eco-friendly products utilizing compressed air arc extinguishing load break switches within honeycomb-type housings and PMA permanent magnetic actuator solid-insulated vacuum circuit breakers. Avoidance of environmentally harmful insulating gases, size reduction by up to 50% compared to existing products, establishment of mechanical/electrical interlock systems between LBS, ES, and doors for enhanced maintenance safety, and data linkage capability with remote monitoring and control systems through digital protective relays.Environment Friendly Compact type Switchgears (SJE-A-R, SJE-B-R): Eco-friendly products utilizing compressed air arc extinguishing load break switches within honeycomb-type housings and PMA permanent magnetic actuator solid-insulated vacuum circuit breakers. Avoidance of environmentally harmful insulating gases, size reduction by up to 50% compared to existing products, establishment of mechanical/electrical interlock systems between LBS, ES, and doors for enhanced maintenance safety, and data linkage capability with remote monitoring and control systems through digital protective relays.
- Medium Voltage Compact Switchgear (SJP-HL-A, SJP-HL-B, SJP-HL-C type): Products optimized for compact design and modularization, reducing installation space by up to 70%. Offering various options such as 4-panel, 2-panel, and 1-panel configurations suitable for diverse installation environments, equipped with safety devices for operator safety, adopting fully shielded compartment structures between equipment, applying DLD (Door Locking Device), incorporating electronic insulation degradation prevention devices, and performance proven through the first IEC 62271-200 full type test in Korea.Medium Voltage Compact Switchgear (SJP-HL-A, SJP-HL-B, SJP-HL-C type): Products optimized for compact design and modularization, reducing installation space by up to 70%. Offering various options such as 4-panel, 2-panel, and 1-panel configurations suitable for diverse installation environments, equipped with safety devices for operator safety, adopting fully shielded compartment structures between equipment, applying DLD (Door Locking Device), incorporating electronic insulation degradation prevention devices, and performance proven through the first IEC 62271-200 full type test in Korea.
- Low Voltage Module Switchgear (MCC-P, MCC-L): Products adopting the Maxi Busbar system. Application of patented polygonal busbar and multi-adapter technology for enhanced capacity and ease of maintenance, high-performance and high-quality switchgears compliant with international standards IEC 61439-1&2, and possessing key features of ACB panels and MCCB panels.Low Voltage Module Switchgear (MCC-P, MCC-L): Products adopting the Maxi Busbar system. Application of patented polygonal busbar and multi-adapter technology for enhanced capacity and ease of maintenance, high-performance and high-quality switchgears compliant with international standards IEC 61439-1&2, and possessing key features of ACB panels and MCCB panels.
- Low Voltage Motor Control Center (MCC): Technical capability to manufacture switchgears and MCCs applicable to the primary side of nuclear power plants.Low Voltage Motor Control Center (MCC): Technical capability to manufacture switchgears and MCCs applicable to the primary side of nuclear power plants.
- High Voltage Enclosed Switchgear (MCSG, SJP-M-R12, SJP-M-R24): Metal-Clad Switchgear maximizing safety through arc-proof grounded metal partitions between main circuit devices. Proven robustness through the longest arc-proof certification test in Korea, rational equipment layout integrating incoming VCB and instrument transformers (PT) into a single panel, and certified reliability and safety by Korea Electrotechnology Research Institute (KERI).High Voltage Enclosed Switchgear (MCSG, SJP-M-R12, SJP-M-R24): Metal-Clad Switchgear maximizing safety through arc-proof grounded metal partitions between main circuit devices. Proven robustness through the longest arc-proof certification test in Korea, rational equipment layout integrating incoming VCB and instrument transformers (PT) into a single panel, and certified reliability and safety by Korea Electrotechnology Research Institute (KERI).
- Gas Insulated Switchgear (GIS): 170kV class products with modular structures enabling diverse circuit configurations. Easy maintenance structure and robust steel enclosure, maximized operator safety, zero greenhouse gas emissions by not using SF6 gas, arc extinguishing method using compressed air, compact size reducing installation area compared to existing GIS, and high insulation reliability and stability.Gas Insulated Switchgear (GIS): 170kV class products with modular structures enabling diverse circuit configurations. Easy maintenance structure and robust steel enclosure, maximized operator safety, zero greenhouse gas emissions by not using SF6 gas, arc extinguishing method using compressed air, compact size reducing installation area compared to existing GIS, and high insulation reliability and stability.
- Seismic-resistant Switchgears (Asesmatic Switchgears): Products featuring seismic design and real-time health diagnosis functions. Remote status monitoring and control via IoT sensors, arc/fire detection and automatic initial suppression systems, big data and AI-based predictive maintenance capabilities, and seismic resistance up to magnitude 8.3.Seismic-resistant Switchgears (Asesmatic Switchgears): Products featuring seismic design and real-time health diagnosis functions. Remote status monitoring and control via IoT sensors, arc/fire detection and automatic initial suppression systems, big data and AI-based predictive maintenance capabilities, and seismic resistance up to magnitude 8.3.
- Electronic Energy-saving Composite Insulation Performance Maintenance Device (e-Keey Dry system): Technology addressing issues of conventional Space Heater methods. Improved moisture removal method simultaneously eliminating condensation and dust within switchgears, reducing relative and absolute humidity, and achieving annual electricity cost savings of approximately 85%.Electronic Energy-saving Composite Insulation Performance Maintenance Device (e-Keey Dry system): Technology addressing issues of conventional Space Heater methods. Improved moisture removal method simultaneously eliminating condensation and dust within switchgears, reducing relative and absolute humidity, and achieving annual electricity cost savings of approximately 85%.
- Web-based Power Monitoring and Control System: A system for remote monitoring and control of power facilities in unit factories and buildings using digital relays or RTUs. Applicable to and capable of integrated operation in various fields such as lighting, remote metering, HVAC, and water treatment facilities, utilizing communication devices that maximize the characteristics of digital relays, and offering on-line editing functions and convenient screen configuration.Web-based Power Monitoring and Control System: A system for remote monitoring and control of power facilities in unit factories and buildings using digital relays or RTUs. Applicable to and capable of integrated operation in various fields such as lighting, remote metering, HVAC, and water treatment facilities, utilizing communication devices that maximize the characteristics of digital relays, and offering on-line editing functions and convenient screen configuration.
- Smart Grid System: Development of a smart diagnosis and monitoring system for switchgears integrating IoT technology with AI.Smart Grid System: Development of a smart diagnosis and monitoring system for switchgears integrating IoT technology with AI.
- Proprietary Core Technology and Continuous R&D Investment: Capability to secure differentiated competitive advantage in the heavy electrical equipment sector and expand its technology portfolio through continuous R&D investment. Since the establishment of its affiliated research institute in 2009, the company has integrated management and R&D strategies, demonstrating strengths in technological completeness and commercialization capabilities.Proprietary Core Technology and Continuous R&D Investment: Capability to secure differentiated competitive advantage in the heavy electrical equipment sector and expand its technology portfolio through continuous R&D investment. Since the establishment of its affiliated research institute in 2009, the company has integrated management and R&D strategies, demonstrating strengths in technological completeness and commercialization capabilities.
- Superior Product Quality and Safety Assurance: Performance and robustness of medium-voltage switchgears proven through Korea's first IEC 62271-200 full type test and the longest arc-proof certification test. Reliability and safety of MCSG certified by KERI, and Q-class highest-grade certification for manufacturing switchgears and MCCs for nuclear power plant primary circuits.Superior Product Quality and Safety Assurance: Performance and robustness of medium-voltage switchgears proven through Korea's first IEC 62271-200 full type test and the longest arc-proof certification test. Reliability and safety of MCSG certified by KERI, and Q-class highest-grade certification for manufacturing switchgears and MCCs for nuclear power plant primary circuits.
- Leadership in Eco-friendly and Space-efficient Technologies: Development of SF6 gas-free eco-friendly gas-insulated switchgears for zero greenhouse gas emissions, and compact size reducing installation area compared to existing GIS. Eco-friendly switchgears with 50% size reduction and medium-voltage switchgears with 70% installation space reduction technology, leading to reduced construction costs and easier installation.Leadership in Eco-friendly and Space-efficient Technologies: Development of SF6 gas-free eco-friendly gas-insulated switchgears for zero greenhouse gas emissions, and compact size reducing installation area compared to existing GIS. Eco-friendly switchgears with 50% size reduction and medium-voltage switchgears with 70% installation space reduction technology, leading to reduced construction costs and easier installation.
- Dominant Competitive Edge in Public Procurement Market: Strategic utilization of government and public institution policies for promoting small and medium-sized enterprise products. Continuous acquisition of intellectual property rights such as patents and utility models, and attainment of NEP, performance certification, and green certification for technology/quality, securing a competitive advantage over competitors in the public procurement market.Dominant Competitive Edge in Public Procurement Market: Strategic utilization of government and public institution policies for promoting small and medium-sized enterprise products. Continuous acquisition of intellectual property rights such as patents and utility models, and attainment of NEP, performance certification, and green certification for technology/quality, securing a competitive advantage over competitors in the public procurement market.
- Maximized Maintenance and Operational Efficiency: Technical capability to save approximately 85% of annual electricity costs through its electronic energy-saving composite insulation performance maintenance device. Remote monitoring/control and maintenance cost reduction via web-based power monitoring and control systems, and maximized power grid operational efficiency through remote management and predictive diagnostic functions of seismic-resistant smart switchgears.Maximized Maintenance and Operational Efficiency: Technical capability to save approximately 85% of annual electricity costs through its electronic energy-saving composite insulation performance maintenance device. Remote monitoring/control and maintenance cost reduction via web-based power monitoring and control systems, and maximized power grid operational efficiency through remote management and predictive diagnostic functions of seismic-resistant smart switchgears.
- Diversified Business Areas and Specialization: Capability to develop and produce essential components for stable power system operation in the power equipment and railway power sectors. Diversification of business areas by supplying specialized power supply and control systems for the railway sector, which demands high safety and reliability.Diversified Business Areas and Specialization: Capability to develop and produce essential components for stable power system operation in the power equipment and railway power sectors. Diversification of business areas by supplying specialized power supply and control systems for the railway sector, which demands high safety and reliability.
- Industrial plants (semiconductor factories, petrochemicals, steel mills, etc.)Industrial plants (semiconductor factories, petrochemicals, steel mills, etc.)
- Various buildings and unit factoriesVarious buildings and unit factories
- Airports and railways (social overhead capital facilities)Airports and railways (social overhead capital facilities)
- Korea Electric Power Corporation (KEPCO) and power generation companies (hydro, thermal, combined heat and power plants, nuclear power plants)Korea Electric Power Corporation (KEPCO) and power generation companies (hydro, thermal, combined heat and power plants, nuclear power plants)
- Data centersData centers
- SingaporeSingapore
- Germany (technical cooperation), Belgium (technical cooperation), France (technical cooperation), Switzerland (technical cooperation)Germany (technical cooperation), Belgium (technical cooperation), France (technical cooperation), Switzerland (technical cooperation)
- United States (technical cooperation)United States (technical cooperation)
- Designation as an Excellent Product by the Public Procurement Service (Smart Switchgear)Designation as an Excellent Product by the Public Procurement Service (Smart Switchgear)
- Awarded Minister of Trade, Industry and Energy Award, Presidential Award, Minister of Knowledge Economy AwardAwarded Minister of Trade, Industry and Energy Award, Presidential Award, Minister of Knowledge Economy Award
- Performance certification for seismic-resistant switchgears (high-voltage, low-voltage, MCC, distribution panels)Performance certification for seismic-resistant switchgears (high-voltage, low-voltage, MCC, distribution panels)
- New Excellent Product (NEP) certification from the Ministry of Knowledge EconomyNew Excellent Product (NEP) certification from the Ministry of Knowledge Economy
- Performance certification for 3 products including switchgears (ultra-high integrated, modular assembly, low-voltage) and motor control panels (modular assembly, low-voltage)Performance certification for 3 products including switchgears (ultra-high integrated, modular assembly, low-voltage) and motor control panels (modular assembly, low-voltage)
- KESCO V-Check Mark certification (VCB)KESCO V-Check Mark certification (VCB)
- KEPIC (Korea Electric Power Industry Code) certification and certification as a nuclear power companyKEPIC (Korea Electric Power Industry Code) certification and certification as a nuclear power company
- ISO 9001 Quality Management System certificationISO 9001 Quality Management System certification
- ISO 14001 Environmental Management System certificationISO 14001 Environmental Management System certification
- ISO 45001 Occupational Health and Safety Management System certificationISO 45001 Occupational Health and Safety Management System certification
- Green Technology Certification and Green Technology Product Confirmation (Optimal design technology for gas-insulated switchgears applying Dry-Air to replace SF6 gas)Green Technology Certification and Green Technology Product Confirmation (Optimal design technology for gas-insulated switchgears applying Dry-Air to replace SF6 gas)
- Acquisition of Disaster Safety Grade SH1Acquisition of Disaster Safety Grade SH1
- Awarded commendations from the Korea National Railway and the Public Procurement ServiceAwarded commendations from the Korea National Railway and the Public Procurement Service
- Possession of patented polygonal busbar and multi-adapter technology applied to low-voltage switchgearsPossession of patented polygonal busbar and multi-adapter technology applied to low-voltage switchgears
- Continuous efforts to secure intellectual property rights including patents and utility modelsContinuous efforts to secure intellectual property rights including patents and utility models