Information
43 Baegyangsunhwan-ro 35beon-gil, Busanjin District, Busan, South Korea
+82 51-894-2482
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Overview
- Summary
- Established in July 1986, Saewon Electronics Co., Ltd. is a specialized manufacturer focusing solely on auto switches, which are position detection sensors for pneumatic and hydraulic equipment. With over 30 years of experience, the company develops and supplies various products including contact-type and non-contact-type switches, magnetic sensors, and other auto sensors. It is a strong small and medium-sized enterprise that has successfully localized production with its unique technology in a market dominated by foreign products, contributing to the development of domestic and international automation industries.Established in July 1986, Saewon Electronics Co., Ltd. is a specialized manufacturer focusing solely on auto switches, which are position detection sensors for pneumatic and hydraulic equipment. With over 30 years of experience, the company develops and supplies various products including contact-type and non-contact-type switches, magnetic sensors, and other auto sensors. It is a strong small and medium-sized enterprise that has successfully localized production with its unique technology in a market dominated by foreign products, contributing to the development of domestic and international automation industries.
- Key Products/Technologies
- Contact-type (REED S/W) Auto Switches: A product line suitable for PLC and relay loads, including models such as AP D-A7 Series, AP D-C7 Series, AP D-A5 Series, AP W13H, AP D-A93, AP D-5 Series, AP RO, AP SO, AP APC, AP MA-1. Features include a wide voltage range from DC 24V to AC 110V, a fast response time within 1msec, compliance with IP-67 environmental conditions, and oil-resistant vinyl cap tire cord lead wires (VW-1 flame retardant standard).Contact-type (REED S/W) Auto Switches: A product line suitable for PLC and relay loads, including models such as AP D-A7 Series, AP D-C7 Series, AP D-A5 Series, AP W13H, AP D-A93, AP D-5 Series, AP RO, AP SO, AP APC, AP MA-1. Features include a wide voltage range from DC 24V to AC 110V, a fast response time within 1msec, compliance with IP-67 environmental conditions, and oil-resistant vinyl cap tire cord lead wires (VW-1 flame retardant standard).
- Non-contact-type (SOLID STATE) Auto Switches: Products suitable for semiconductor equipment and high-speed machinery, including models like AP D-59 Series, AP D-H7 Series, AP D-F7 Series, AP D-F9 Series, AP R2, R3. Offers 3-wire (NPN, PNP) and 2-wire output methods, operating voltage of DC 4.5~28V, load current of 0~100mA Max, low leakage current (under 100uA) and low internal voltage drop (under 0.8V).Non-contact-type (SOLID STATE) Auto Switches: Products suitable for semiconductor equipment and high-speed machinery, including models like AP D-59 Series, AP D-H7 Series, AP D-F7 Series, AP D-F9 Series, AP R2, R3. Offers 3-wire (NPN, PNP) and 2-wire output methods, operating voltage of DC 4.5~28V, load current of 0~100mA Max, low leakage current (under 100uA) and low internal voltage drop (under 0.8V).
- Special Purpose Auto Switches: Development of over 100 types of diverse products, including strong magnetic field resistant switches suitable for automotive welding lines, hydraulic-specific switches, and ultra-compact non-contact D-F8N types with a total length of 10mm. Provides technical guidance and development services for special Pneumatic Magnetic Sensors and application sensors based on customer requests.Special Purpose Auto Switches: Development of over 100 types of diverse products, including strong magnetic field resistant switches suitable for automotive welding lines, hydraulic-specific switches, and ultra-compact non-contact D-F8N types with a total length of 10mm. Provides technical guidance and development services for special Pneumatic Magnetic Sensors and application sensors based on customer requests.
- Auto Switch Accessories: Offers various accessories for product installation and maintenance, such as AUTO SWITCH TESTER, CONNECTOR (M8-M12), FREE BAND (D-C73), SWITCH BAND (D-C73), and SWITCH BRACKETS (D-A54, D-A93, RO-SO). Notably, the Free Band technology, capable of clamping cylinders with outer diameters from 6Φ to 80Φ with a single band, is a patented unique technology (Patent No. 0243955).Auto Switch Accessories: Offers various accessories for product installation and maintenance, such as AUTO SWITCH TESTER, CONNECTOR (M8-M12), FREE BAND (D-C73), SWITCH BAND (D-C73), and SWITCH BRACKETS (D-A54, D-A93, RO-SO). Notably, the Free Band technology, capable of clamping cylinders with outer diameters from 6Φ to 80Φ with a single band, is a patented unique technology (Patent No. 0243955).
- Core Advantages
- Over 30 Years of Specialization in Auto Switches: Deep technical know-how and market understanding accumulated since its establishment in 1986, focusing exclusively on auto switches for pneumatic and hydraulic equipment.Over 30 Years of Specialization in Auto Switches: Deep technical know-how and market understanding accumulated since its establishment in 1986, focusing exclusively on auto switches for pneumatic and hydraulic equipment.
- Diverse Product Lineup and Custom Development Capabilities: A broad product portfolio of over 100 types, ranging from general-purpose contact-type to non-contact, strong magnetic field resistant, and ultra-compact types suitable for semiconductor equipment and automotive welding lines, along with the ability to develop custom sensors for specific customer needs.Diverse Product Lineup and Custom Development Capabilities: A broad product portfolio of over 100 types, ranging from general-purpose contact-type to non-contact, strong magnetic field resistant, and ultra-compact types suitable for semiconductor equipment and automotive welding lines, along with the ability to develop custom sensors for specific customer needs.
- High Quality Competitiveness and Reliability: Accurate position detection based on stable electronic circuits, durability meeting harsh industrial conditions such as waterproofing, flame retardancy, and oil resistance, and product reliability secured through a rigorous quality management system.High Quality Competitiveness and Reliability: Accurate position detection based on stable electronic circuits, durability meeting harsh industrial conditions such as waterproofing, flame retardancy, and oil resistance, and product reliability secured through a rigorous quality management system.
- Successful Localization and Market Dominance: A successful case of localization with purely domestic technology, maintaining its position for over 30 years in the domestic and international automation sensor market, which was largely dominated by Japanese and German products, recognized for its technology by supplying key components to major cylinder manufacturers worldwide.Successful Localization and Market Dominance: A successful case of localization with purely domestic technology, maintaining its position for over 30 years in the domestic and international automation sensor market, which was largely dominated by Japanese and German products, recognized for its technology by supplying key components to major cylinder manufacturers worldwide.
- Price Competitiveness and Fast Delivery: Offers reasonable prices and quick delivery times for key products like the non-contact D-F9 series compared to competitors.Price Competitiveness and Fast Delivery: Offers reasonable prices and quick delivery times for key products like the non-contact D-F9 series compared to competitors.
- Commitment to Sustainable Management: Achievement of manufacturing innovation and sustainable management through the completion of the smart factory advancement project in 2024 and selection as an excellent ESG SME in 2025 (supported by Korea Southern Power and consulted by Korea Standards Association).Commitment to Sustainable Management: Achievement of manufacturing innovation and sustainable management through the completion of the smart factory advancement project in 2024 and selection as an excellent ESG SME in 2025 (supported by Korea Southern Power and consulted by Korea Standards Association).
- Target Industrie
- Pneumatic and Hydraulic Equipment Manufacturing Industry: Supply of core components as position detection sensors for various pneumatic and hydraulic cylinders.Pneumatic and Hydraulic Equipment Manufacturing Industry: Supply of core components as position detection sensors for various pneumatic and hydraulic cylinders.
- General Automation Equipment Industry: Motion status detection and position control systems for factory automation lines and various machinery.General Automation Equipment Industry: Motion status detection and position control systems for factory automation lines and various machinery.
- Semiconductor Equipment Industry: Application of position detection sensors in semiconductor manufacturing facilities requiring high-speed and precise operations.Semiconductor Equipment Industry: Application of position detection sensors in semiconductor manufacturing facilities requiring high-speed and precise operations.
- EV Battery Production Lines: Supply of sensors for automation lines in the electric vehicle battery manufacturing process.EV Battery Production Lines: Supply of sensors for automation lines in the electric vehicle battery manufacturing process.
- Industrial Robot Industry: Provision of sensor solutions for precise motion and position control of industrial robots.Industrial Robot Industry: Provision of sensor solutions for precise motion and position control of industrial robots.
- Automotive Manufacturing and Welding Lines: Application in automotive welding line automation systems, including strong magnetic field resistant switches for harsh magnetic environments.Automotive Manufacturing and Welding Lines: Application in automotive welding line automation systems, including strong magnetic field resistant switches for harsh magnetic environments.
- Major Markets
- Japan, ChinaJapan, China
- USA (related to overseas famous EV manufacturers)USA (related to overseas famous EV manufacturers)
- Certifications/Patents
- ISO 9001 Quality Management System Certification: A quality management system established and operated according to the 2000 standard.ISO 9001 Quality Management System Certification: A quality management system established and operated according to the 2000 standard.
- European CE COC Certification: Essential certification for entering the European market, obtained on November 25, 2013.European CE COC Certification: Essential certification for entering the European market, obtained on November 25, 2013.
- Parts and Materials Specialist Company Confirmation: Official recognition as a specialized company in parts and materials contributing to domestic industrial development.Parts and Materials Specialist Company Confirmation: Official recognition as a specialized company in parts and materials contributing to domestic industrial development.
- Excellent ESG SME Selection: Selected as an excellent ESG SME in 2025 through support from Korea Southern Power and consulting from the Korea Standards Association.Excellent ESG SME Selection: Selected as an excellent ESG SME in 2025 through support from Korea Southern Power and consulting from the Korea Standards Association.
- Free Band Patent: Holds a patent (Registration No. 0243955) for its unique technology allowing a single band to clamp cylinders with outer diameters from 6Φ to 80Φ.Free Band Patent: Holds a patent (Registration No. 0243955) for its unique technology allowing a single band to clamp cylinders with outer diameters from 6Φ to 80Φ.
Introduction
Key Products
Location
43 Baegyangsunhwan-ro 35beon-gil, Busanjin District, Busan, South Korea
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