ABB REF620 NBFNAANNNDA1BBN1XF feeder protection and control relay

The ABB REF620 is a feeder protection and control relay that is part of ABB's Relion® family and its 620 protection and control product series. It is a dedicated feeder management relay for protection, control, measurement and supervision in utility and industrial power distribution systems, including radial, looped and meshed networks, with or without distributed power generation.

The REF620 supports the following features:

·Comprehensive protection functionality, including overcurrent, earth fault, overload, and motor protection

·Advanced control capabilities, such as automatic reclosing, sectionalizing, and load shedding

·Extensive measurement and monitoring functions, including voltage, current, power, and energy

·Communication protocols for integration with SCADA systems and other automation devices

The REF620 is a versatile and feature-rich relay that can be used in a wide range of applications. It is a popular choice for utilities and industrial facilities that need to protect, control, and monitor their power distribution systems.

Our main products:

1. Distributed Control System (DCS)

·Adopting advanced control technology to achieve precise control of complex industrial processes.

·Featuring high reliability, high security, and high scalability.

·It can be widely used in industries such as electricity, petrochemicals, metallurgy, chemicals, pharmaceuticals, etc.

2. Programmable Logic Controller (PLC)

·Flexible, reliable, and easy to program, it is an ideal choice in the field of industrial control.

·It can be applied in various automation control scenarios, such as mechanical manufacturing, textile, food and beverage, packaging and other industries.

3. Large scale servo control system

·Provide high-precision and high-speed control performance.

·Can be applied in precision control fields such as robots, machine tools, and CNC machining.

Our strengths:

·Having an experienced R&D team, continuously innovating and developing new products and technologies.

·We have a comprehensive sales and service network to provide customers with timely and professional services.

·Dedicated to establishing long-term cooperative relationships with customers and jointly promoting the development of industrial automation technology.