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ABB REF545KB133AAAA Protective Relay, Intelligent Protection System for Power Distribution

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The ABB REF545KB133AAAA is a high-performance protective relay designed for substation automation systems, offering precise fault detection and protection for electrical networks.

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 circuit breaker is a state-of-the-art device tailored for modern power distribution systems.

     Its advanced technology ensures optimal performance and reliability by offering real-time monitoring and protection against various faults.

     Key features include short circuit protection, overload protection, earth fault detection, and phase failure monitoring, all managed through sophisticated communication protocols like Modbus RTU and Profibus DP.

     Designed to operate in harsh environments, this circuit breaker boasts a robust IP20 rating and can withstand temperatures ranging from -25°C to +70°C.

     Certified to meet international standards such as IEC 60947-2, IEC 61008-1, and IEC 61009-1, the ABB REF545KB133AAAA provides peace of mind to engineers and facility managers seeking dependable solutions for their power distribution needs.

ABB REF545KB133AAAA

ABB REF545KB133AAAA

ABB REF545KB133AAAA




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