SAMWHA EOCR LTD. was established in Seoul, South Korea in 1981. The company focuses on the production of motor protection relays. In 1983, the electronic overcurrent relay EOCR-SS developed by SAMWHA was widely praised by customers after it was put into the market. In 1988, SAMWHA EOCR products were continuously updated, and EOCR-3DD, EOCR-3D420 and other products with digital display were successively developed.
In 2001, in order to develop the enterprise into a global and strategic enterprise, SAMWHA subsequently joined the French Schneider Electric Group. In 2010, the packaging logo of EOCR series products adopted the Schneider enterprise standard, and EOCR products were operated as the EOCR brand under Low Voltage Electrical Division of Schneider (Korea) Electric Co., Ltd.
SAMWHA's main products are: electronic current protector, electronic voltage protector, electronic grounding protector, electronic DC relay, intelligent current protector, motor management controller, etc.
SAMWHA EOCR relays / SAMWHA Digital Electronic Over Current Relays include the following models,
●Digital type including 3DM, FDM
●Analog type including SS, SP, DS3, DZ
●Application type including PMR, SDDR, EVR-FD, EGR
●New Digital type including i-Series (i3DM, iFDM), DM-Series (3DM2, FDM2)
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