Protection Relays – MELPRO-D Series
Strongly supporting power distribution automation by MELPRO-D series.
The MELPRO-D series are compact multi type relays which contain the necessary elements for the protection of extra high voltage/high voltage power distribution network facilities and devices such as transformers, generators, motors etc. The MELPRO-D series can be connected to a supervisory monitoring system through the application of the communication function (CC-Link).
Overcurrent Relay
The product line-up offers the OCR from single to three phase type, with the three phase type including earth fault protection. Suitable for over current protection on various grounding systems of power networks.
Voltage Relay
The product line-up offers units containing the necessary elements for under voltage, over voltage and earth fault over voltage protection.
Suitable for distribution bus bar protection, etc.
Feeder Protection Relay
The product line-up offers units containing the necessary overcurrent and ground fault protection for the feeder protection of a non-grounded power system. Feeder protection is possible with one unit.
Biased Differential Relay for Transformer Protection
Biased differential relay for transformer protection. Suitable for the connection of various types of transformers.
Motor Protection Relay
The product line-up offers units containing the necessary elements for motor protection.
System Linkage Protection Relay
The product line-up offers units containing the necessary elements for system linkage protection.
Generator Protection Relay
The product line-up offers units containing the necessary elements for generator protection.
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MITSUBISHI ELECTRIC
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