ABB REF545KB133AAAA Protective Relay, Intelligent Protection System for Power Distribution

Brand:ABB

Model:REF545KB133AAAA

Type:Protection Relay

Rated Current:Up to 1200 A

Voltage Rating:24-250 V AC/DC

Frequency Range:45-66 Hz

Protection Functions:Overcurrent, Earth Fault, Phase Disconnection, Overvoltage, Undervoltage

Communication Interface:Modbus RTU, Profibus DP

Protection Class:Class 5P20

Protection Accuracy:±5%

Environmental Operating Temperature:-40°C to +70°C

Certifications:IEC 61008, IEC 61010-1, IEC 61010-2-020

    The ABB REF545KB133AAAA is engineered to provide comprehensive protection for power systems. Its advanced algorithms and robust design make it ideal for critical applications where reliability is paramount.

    This protective relay features multiple protection functions including earth fault protection, phase fault protection, and overcurrent protection. These features ensure that the system remains protected against various types of faults.

    With communication interfaces like Modbus RTU and Ethernet, the ABB REF545KB133AAAA can be seamlessly integrated into modern SCADA systems, providing real-time monitoring and control capabilities.

    The relay is housed in a compact and lightweight enclosure, making it easy to install and maintain. Its IP20 rating ensures that it can operate safely in a wide range of environments.

    Designed with precision and reliability in mind, the ABB REF545KB133AAAA meets stringent industry standards and offers exceptional performance, ensuring that your power systems remain protected and operational.