SJ Grid is a manufacturer of electrical circuit switching and protection devices led by CEO Lee Seung-jae. It engages in the manufacturing of electrical instruments, insulation materials, and transformers, as well as the business of power IT application devices and diagnostic systems.

Business sectors

• Manufacturing of Electrical Instruments and Insulators: We produce various instruments required for electrical measurement and control, as well as materials used for electrical insulation. These are core components essential for the stable operation of power systems.
• Transformer Manufacturing: We produce transformers essential for efficiently supplying and distributing power by converting voltage. We maximize power efficiency through transformers of various capacities and specifications.
• Power IT Application Devices and Diagnostic Systems: We develop devices and systems for efficient power management and problem diagnosis by integrating Information and Communication Technology (IT) into power systems. We contribute to the construction of next-generation power grids, such as smart grids.

Products

• Electrical Circuit Switch: A device that controls power flow in a power system by safely opening and closing electrical circuits. It plays a key role in protecting facilities from overloads and short circuits.
• Electrical Protection Devices: We produce various devices that protect electrical equipment from overcurrents, overvoltages, ground faults, etc., for the stable operation of power systems. This contributes to preventing system failures and extending their lifespan.
• Distribution Transformers: We manufacture distribution transformers that appropriately convert voltage to efficiently deliver electricity produced at power plants to end consumers. They serve as the foundation for a stable power supply.

Special Features

• Core Power System Component Technology: SJ Grid possesses manufacturing technology for core components essential for the stable operation of power systems, such as electrical circuit switching and protection devices and transformers. This contributes to the establishment of a stable power supply infrastructure.
• Power IT Convergence Capabilities: Beyond the manufacturing of electric instruments, we contribute to the advancement of next-generation power grid technologies, such as smart grids, through the development of power IT application devices and diagnostic systems. We support efficient energy management through convergence with information and communication technology.

Job Information

• Main Positions Hiring: We are primarily recruiting for production staff, production management personnel, and development/design roles.

💡 A word from Jobploy
SJ Grid is a small to medium-sized enterprise that manufactures core components for power systems, such as electrical circuit switching and protection devices and transformers. If you are applying as a foreign worker for positions primarily in production or production management, basic electrical knowledge and the ability to adhere to safety regulations may be important. As precise work may be required, it is advisable to approach your duties with meticulousness and a strong sense of responsibility.