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World Class Technology Solution

Directional (Incoming and Outgoing) Feeder Protection

The directional feeder protection relay MRA4 is a high precision and reliable protection and control relay. The intuitive setting concept with plausibility test enables reliable and time optimized configuration of the extensive protection function to a variety of applications such as incoming or outgoing feeder protection, network protection and generator protection. The implemented switchgear management guaranties an efficient and safe control and supervision.

The device is a benchmark in flexibility and usability and offers various communication options. The hardware is designed for all nominal values in combination with protection and control functionality.

The intuitive operating concept with plausibility checks and extensive commissioning functions such as the built-in fault simulator allows a safe and time-optimized maintenance and commissioning. The parameter setting and evaluation software Smart view can be used consistently across the entire family of devices.

ANSI: ANSI: 50, 51, 67, 51C, 51V, 50N, 51N, 67N, 46, 49, 27, 59, 59N, 81U/O, 60FL, 79, 86, 50BF, 74TC , 81R, 78, 47, 60FL, 60L, 32F, 25, 37F, 32Q, 37Q, 37QR, 32S, 37S, 37R, 55, 51C, LVRT , Q->V, UFLS


Feeder Protection