EOCR (Brand name of Electronic Motor Protection Relays) is being produced for 20 years and currently exporting more than 5.5 millions units to 22 nations. We have obtained International patents from Europe, U.S.A, Canada, Brazil, Mexico, Japan, Taiwan, China, Tailand, Australia, and so on, and International Standards such as UL, ABS, CSA, CCS, ISO 9001 and CE mark.

We produce ; Overcurrent relay / Voltage relay
Direct Current Relay / Earth Leakage relay
Phase Monitoring relay /Automatic Restart relay

Mainly, our EOCR protects your motor from followings.

1. Overcurrent, Overlaod 2. Phase Lose
3. Phase Reverse 4. Phase unballance
5. Ground Fault 6. Locked Rotor
7. Undercurrent, Underload 8. Overvoltage
9. Undervoltage


EOCR has a wide current adjustment range over 10:1. This means only three