ABB REF620E F NBFNAANNNCC1BNN1XF feeder protection and control relay

The ABB REF620E F NBFNAANNNCC1BNN1XF is a feeder protection and control relay. It is designed to protect feeders from faults such as overcurrents, short circuits, and ground faults. It can also be used to control the operation of feeders, such as by tripping circuit breakers or opening disconnectors.

The REF620E is a microprocessor-based relay that offers a variety of features, including:

·Overcurrent protection

·Short circuit protection

·Ground fault protection

·Motor protection

·Thermal overload protection

·Loss of voltage protection

·Phase reversal protection

·Directional protection

·Communication capabilities

The REF620E is available in a variety of configurations to meet the specific needs of your application. It can be mounted in a panel or enclosure, and it is available with a variety of communication options.

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.