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    A professional supplier and service provider for All Automation, Safety, Instrumentation and calibration Requirements of Marine, Oil/Gas & Industrial field.

HighPROTEC Line

HighPROTEC Line is the latest generation protection relays from SEG

These advanced protection relays are easily applicable for generator protection (including differential protection), directional and non-directional feeder transformer protection, and motor protection. The innovative device handling and PC tool with plausibility check and internal fault simulator, combined with high flexible hardware minimized commissioning, training costs and setting failures. The all in one protection concept for the different application guaranties a high availability of your electrical equipment. The parameterizing and analyzing software Smart view SE is usable for each HighPROTEC device and free of charge.

MCA4 – Directional Feeder Protection

The MCA4 is designed for the protection and control of mid‑range voltage feeders. In addition to numerous protection functions for feeder protection and the utility connection point, the switch control can be fully monitored and controlled by the MCA4 by remote control or on location.

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MRA4 – Directional Feeder Protection

The MRA4 is specifically tailored to the protection of incoming and outgoing feeders in MV systems and can be used for grid and generator protection.

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MRI4 – Non-Directional Feeder Protection Relay

The MRI4 is an overcurrent and earth fault relay. The relay is used for incoming and outgoing feeder applications and recloser can also be used as backup protection for differential protection systems.

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MRU4 — Voltage and Frequency Protection

The MRU4 is designed to protect electrical equipment against dangerous voltage and frequency fluctuations, and is used for busbar, generator and feeder protection.

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MRM4 – Motor Protection

The MRM4 is designed for the protection of motors. All the protection functions based on current, as well as monitoring functions such as motor start‑up and incomplete start‑up sequence for motor protection are available.

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MCDTV4 – Enhanced Transformer Differential Protection

The MCDTV4 is a transformer protection device with phase and earth differential protection and with a large backup protection package. The device is specially designed to protect medium and large HV / MV / LV transformers in distribution and substation systems. The MCDTV4 is additional equipped with grid coupling functions for Distributed Energy Resources, especially for generator power plants.

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MRDT4 — Non‑Directional Transformer Differential Protection

The MRDT4 is a transformer differential relay designed to protect two winding transformers. The relay can also be used as a generator differential protection and incorporates backup protection functions.

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MCDGV4-2 – Generator Differential Protection

The MCDGV4 is designed for the protection of medium and large generators. The step‑up transformer can be integrated into the protection zone (unit protection). In addition to the differential protection package the device offers pole slip protection, phase distance (backup) protection and a broad interconnection package (FRT, QV, Reconnection Release) as well as full packages for phase, earth, voltage, frequency and power protection, and many more.

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MCDLV4 – Line Differential Protection

The cable / line differential protection relay MCDLV4 is designed to protect cables and lines up to 24 km. There can even be an in‑zone transformer within the line to be protected. In addition, it comes with a very comprehensive protection package like phase, restricted earth fault, inrush detection, and monitoring functions including grid interconnection and control functionality up to 6 switchgears.

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MRMV4 – Motor Protection with Voltage Measurement

Compared with the MRM4, the MRMV4 is a motor protection relay that also features voltage measurement and is therefore able to monitor power, voltage and frequency

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