[Company Introduction]

We produce Breaker(ACB), Automatic Transfer Switch(ATS), Control Panels and Switchgears since its foundation in 1986.

Through continuing products development with technological innovation and accumulated experiences, The

below listed O-Sung products as below are supplied to domestic and overseas markets with good reputation

 - Air Circuit Breaker (630A~6300A)

 - Automatic Transfer Switch (100A~6300A)

 - Automatic Transfer Circuit Breaker (630A~3200A)

 - Auto Control Panel and By-Pass ATS Panel

With the combination of its high standard design, reliable quality assurance and high productivity, O-Sung's

quality system meets the requirements of ISO 9001. Further, O-Sung' products carry the certifications of world leading testing labs.

In addition to continuing development of highly advanced products, O-Sung is committed to supply the superior products with complete customer satisfaction.

[Company History]

2015. 06. New Excellent Transport Technology Certification (3rd RAIL)

                 Awarded the Grand Prize at contest for Quality Control in a Field

2014. 12.  Certified by KEPCO Trusted Partner (2014-KTP-008)

          06.  Certified by PRODUCT-SPECIFIC APPROVED EXPORTER (010-14-200194)

2013. 10.  NEP (New Excellent Product) Certification : Automatic Transfer Circuit Breaker 

                  (2,000A, 42 kA, 60Hz, 1s or less)

2012. 09   Awarded honor of The Ministry of Knowledge Economy

                 Awarded honor of Small and Medium Business Administration

2009. 04.  NET (New Excellent Technology) Certification : Automatic Transfer Circuit

                 CE certified for 2000A~3200A 3P, 4P 600V 65kA Air Circuit Breaker

2008. 10.  V-Check MARK Certificate for Automatic Transfer Circuit Breaker (KESCO)

          06.  Awarded Certificate of Environment Management System 

                 (KS I ISO 14001:2009 / ISO 14001:2004)

2007. 12.  Certified by Chinese Compulsory Certification (CCC) for 2000A~3200A ACB.

2006. 11.  CE Marked for 630A~1600A ACB by TUV.

          08.  CB Test Certified by KTL for ACB with electronic overcurrent protection.

[Product Description]

Available in low voltage switchboard

Combines the functions of automatic transfer switch (ATS) and air circuit breaker (ACB).

It is completely switched according to the state of commercial or standby power source. In case of over current or fault current, the power supply will be cut off and not able to re-input to protect the load equipment.

- Products with priority selection function

- Single drive with blocking capability (including overcurrent relay)

- Motor spring spindle switching method

- NEP certified, V-Check certified products

- ON-Load Type ATS

[Product Features]

- Single drive mechanism

- Prevention of contact fault and re-input

- Short-time withstand current 1000msec

- Breaking performance AC 600V 50kA

- Built-in emergency input device