Products
Protection Relays - MELPRO-A Series
![Protection Relays - MELPRO-A Series](/fa/vn_en/products/mvd/pror/items/img/22lp3rya3_t001.jpg)
Made for reliability, the MELPRO-A Series.
MELPRO-A series is a protective relay for high-voltage power reception and distribution facilities. The high reliability and upgraded functions support design, operation and maintenance of the systems.
Overcurrent Relay MOC-A3
・Including two-phase overcurrent protection in one unit
・2 kinds of instantaneous overcurrent protection (50)
・4 kinds of definite time overcurrent protection (51)
![Overcurrent Relay MOC-A3](/fa/vn_en/products/mvd/pror/items/img/22lp3rya3_sMOC.jpg)
Earth Fault Directional Relay MDG-A3, A4
・Earth (ground) overcurrent protection (50G)
・Wider setting than the existing model
![Earth Fault Directional Relay MDG-A3, A4](/fa/vn_en/products/mvd/pror/items/img/22lp3rya3_sMDG.jpg)
Earth Fault Overcurrent Relay MGR-A3
・Earth (ground) overcurrent protection (50G)
・Wider setting than the existing model
![Earth Fault Overcurrent Relay MGR-A3](/fa/vn_en/products/mvd/pror/items/img/22lp3rya3_sMGR.jpg)
Under Voltage Relay MUV-A3
・Undervoltage protection(27)
・1 phase detection type
・Unnecessary power supply
![Under Voltage Relay MUV-A3](/fa/vn_en/products/mvd/pror/items/img/22lp3rya3_sMUV.jpg)
Over Voltage Relay MOV-A3
・Overvoltage protection(59)
・1 phase detection type
・Unnecessary power supply
![Over Voltage Relay MOV-A3](/fa/vn_en/products/mvd/pror/items/img/22lp3rya3_sMOV.jpg)
Earth Fault Overvoltage Relay MVG-A3, A4
・Earth (ground) overvoltage protection(64/59G)
・Wider setting than the existing model
![Earth Fault Overvoltage Relay MVG-A3, A4](/fa/vn_en/products/mvd/pror/items/img/22lp3rya3_sMVG.jpg)