ABB REF620 NBFNAANNNDA1BBN1XF – High-Performance Digital Relay for Protection
The ABB REF620 NBFNAANNNDA1BBN1XF is an advanced industrial control module designed for precise monitoring and protection in power systems. It integrates fault detection and response capabilities to enhance system reliability and operational efficiency.
Type:Protection Relay
Manufacturer:ABB
Model:REF620
Sub-model:NBFNAANNNDA1BBN1XF
Communication Interface:RS485 Modbus RTU, Ethernet TCP/IP
Operating Voltage Range:100V to 250V AC/DC
Rated Current:5A
Frequency Range:45Hz to 65Hz
Protection Functions:Overload, Short Circuit, Earth Fault
Display:Backlit LCD
Environmental Rating:IP65
Dimensions (W x H x D):180mm x 220mm x 135mm
Weight:2.5kg
The ABB REF620 NBFNAANNNDA1BBN1XF module is an essential component for industrial automation systems.
Designed with cutting-edge technology, this protection relay module ensures the safety and reliability of electrical systems by providing real-time monitoring and control.
It is compatible with a wide range of voltages and frequencies, making it versatile for various applications.
With its robust design and reliable performance, this module can withstand harsh industrial environments.
It features multiple communication interfaces, including Modbus and Ethernet, facilitating seamless integration with existing systems.
Additionally, the module meets stringent international standards such as CE, UL, and IEC certifications, ensuring compliance and safety in diverse operational settings.













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