ABB REF545KB133AAAA – High-Performance Protective Relay for Power Systems

ABB REF545KB133AAAA – High-Performance Protective Relay for Power Systems

    The ABB REF545KB133AAAA is a high-precision protection and control relay module designed for advanced industrial automation and electrical power systems. It ensures optimal reliability and performance in demanding applications such as substation automation, power distribution, and energy management.

Brand:ABB

Model:REF545KB133AAAA

Type:Protective Relay Module

Rated Voltage:240V AC

Rated Current:630A

Frequency Range:50/60Hz

Protection Class:Overcurrent, Overload, Short Circuit

Communication Interface:Modbus RTU

    The ABB REF545KB133AAAA is a premium industrial protection module engineered to provide superior performance and reliability in critical applications. Designed for seamless integration into industrial systems, it delivers precise control and enhanced safety for operations in sectors such as energy, metallurgy, and chemical processing.

    This protection module features a robust design that ensures long-term durability and resistance to harsh industrial conditions. It is built with high-grade materials and advanced circuitry to withstand extreme temperatures, electrical interference, and mechanical stress, making it ideal for continuous operation in challenging environments.

    With a rated voltage of 230V and a rated current of 5A, the REF545KB133AAAA provides reliable circuit protection with a breaking capacity of up to 70kW. Its insulation withstand voltage test rating of 50Vac ensures safe operation under high-voltage conditions, while its compact dimensions of 20 x 20 x 10 mm allow for flexible installation in tight spaces.

    The module is certified under the CCC standard, guaranteeing compliance with international safety and quality requirements. Its switch-type protection mechanism ensures rapid response to overvoltage and overcurrent conditions, minimizing downtime and protecting connected equipment from damage.

    Ideal for use in power plants, steel mills, and chemical facilities, the ABB REF545KB133AAAA protection module is a trusted solution for safeguarding industrial systems. Its high performance, compact design, and ease of integration make it a preferred choice for engineers and system designers seeking reliable and efficient protection for their critical infrastructure.