We, DAERYUK CO., LTD., are the manufacturer of various kinds of Low Voltage Electric products such as MCCB (Molded Case Circuit Breaker), Circuit Protector (Hydraulic-Magnetic Circuit Breaker for Equipment), Magnetic Contactor/Switch, Electronic Over-Current Relay, ACB (Air Circuit Breaker), ATS (Automatic Transfer Switch), etc. Since the establishment in 1978, we have been known as a special maker of the products for industrial and telecommunication use. For Circuit Protector (Hydraulic-Magnetic Circuit Breaker for Equipment), we have firstly developed and manufactured in Korea and we are occupying more than 60% of our local market.Our products have been sold by some big and global companies like Samsung, Rockwell Automation and exported to some well-known Japanese makers like Fuji, Honda, Matsushida, Yamaha, Kawamura, etc. that apply one of the strictest quality standards in the world. It shows that our products have been approved by the customers with satisfying quality.We continue to develop new high-tech products meeting our customers' needs.