ABB REF542PLUS 76A2NFFN301WS28 Protection Relay

ABB REF542PLUS 76A2NFFN301WS28 Protection Relay

    The ABB REF542PLUS 76A2NFFN301WS28 is an advanced protection relay designed for high-performance electrical systems. It offers precise fault detection and protection capabilities, making it ideal for utility, industrial, and commercial applications.

Manufacturer:ABB

Model Number:REF542PLUS

Sub-model Number:76A2NFFN301WS28

Type:Protective Relay

Rated Current:250A

Voltage Rating:Up to 480V

Frequency Range:50/60Hz

Protection Functions:Overcurrent, Overload, Short Circuit, Ground Fault

Communication:Modbus, IEC 61850

Dimensions (HxWxD):215mm x 230mm x 120mm

Weight:5.5kg

    The ABB REF542PLUS series of protection relays offers superior performance and reliability in protecting electrical networks. This specific model, REF542PLUS 76A2NFFN301WS28, is tailored for applications requiring precise and dependable protection against various faults and disturbances.

    With its advanced algorithm, the relay can detect and isolate faults rapidly, minimizing downtime and enhancing system stability. It supports multiple communication protocols including Modbus RTU and Ethernet, ensuring seamless integration with existing SCADA systems.

    The relay features an easy-to-use interface with a clear LCD display, providing real-time status updates and fault information. Its robust design meets the IP54 environmental rating, making it suitable for both indoor and outdoor installations.

    Key technical specifications include a wide range of protection functions like phase overcurrent, earth fault, overvoltage, and undervoltage, all adjustable to meet specific operational needs. With a rated current up to 76A and a frequency range from 45 to 65 Hz, this relay is versatile enough to cover a broad spectrum of power system requirements.

    Designed with longevity in mind, the ABB REF542PLUS series uses durable materials and components, ensuring minimal maintenance and maximum uptime. Whether you’re looking to upgrade your existing protection system or building a new one, the REF542PLUS is a reliable choice.