The MCA4 is a precise and reliable protection, control and monitoring relay for feeder, grid and generator applications. The latest generation series from Woodward (formerly SEG), the MCA4 incorporates all the ANSI and IEC concepts to comply with ever changing grid interconnection requirements.
Flexibility in hardware, software, application, user interface and communications makes the MCA4 adaptable to requirements today and in the future.  The protection functions of the MCA4 have been adapted to comply with the requirements of the VDE-AR-N-4110/4120:2018.  The parameterizing and analyzing software Smart view is usable for each HighPROTEC device and free of charge.

MCA4 is the ideal directional feeder protection for industrial and utility distribution networks. Integrated interconnection / grid code package. Large control capacity for switchgear. Very large protection package (reclosing, load shedding, load restoration, demand management, monitoring functions,…)
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

With the HighPROTEC Line Woodward offers an outstanding solution for the reliable protection of
distribution and generator applications. 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 menu overview can be optimized by hiding not relevant functions.

The line is easily applicable for generator, cable and line, and transformer differential protection,
directional and non-directional feeder protection as well as motor protection. The all-in-one protection
concept for various applications guarantees a high availability of your electrical equipment and your grid. Woodward is an independent designer, manufacturer, and service provider of control solutions for the aerospace and industrial markets. Our aerospace systems and components optimize the performance of fixed wing and rotorcraft platforms in commercial, business and military aircraft, ground vehicles and other equipment.

Its industrial related systems and components enhance the performance of industrial gas and steam turbines, reciprocating engines, compressors, wind turbines, electrical grids and other energy related industrial equipments. The company’s innovative fluid energy, combustion control, electrical energy, and motion control systems help customers offer cleaner, more reliable and more efficient equipment. Our customers include leading original equipment manufacturers and end users of their products.

Woodward MCA4-Family HIGHPROTEC relay : Feeder Protection

From the generation via transmission and distribution down to the load, Woodward’s feeder protection relays protect the entire power chain throughout different voltage levels.

Modern communication and linking to systems are the basis for economical and efficient applications of your operating components. For nearly every communication network Woodward offers you various protocols like Modbus® RTU and Modbus® TCP, Profibus® DP, IEC 60870-5-103 and IEC 61850.

Woodward’s easy-to-use feeder protection relays work safely and precisely, and are well-proven in the fields of utilities, industrial, and other power systems. They are thoroughly designed and engineered to maximize the availability of your power distribution system.

The following product lines offer the right Feeder Protection products to you.

HIGHPROTEC LINE

The new HighPROTEC line is the latest generation of complete protection for medium-voltage power systems.

Learn more about HighPROTEC Feeder Protection Devices:

MCA4 | MRA4 | MRI4

HIGH TECH LINE

These modular relays combine well-proven technology with easy handling.

PROFESSIONAL LINE

Comprehensive protective functions and competitive performance ratio are the hallmark of these relays.

To explore protection functions and comprehensive series of Woodward devices, click here!