ABB REF545KC133AAAA Protective Relay Module for High-Voltage Systems
The ABB REF545KC133AAAA is a high-performance protection relay designed for power systems. It offers precise and reliable protection against faults and disturbances, ensuring the safety and stability of electrical networks.
Manufacturer:ABB
Model:REF545KC133AAAA
Type:Protective Relay Module
Input Voltage Range:30…1000V AC/DC
Frequency Range:50/60Hz
Protection Class:IEC 61000-4-2 to 4-5
Communication:RS-485 Modbus RTU
Operating Temperature:-25°C to +70°C
Dimensions (W x H x D):145mm x 110mm x 90mm
Weight:1.2 kg
The ABB REF545KC133AAAA Protective Relay Module is an essential component for ensuring the safety and efficiency of electrical systems. It features a robust design that withstands harsh industrial environments, making it ideal for applications where reliability and durability are paramount.
This module integrates advanced protection functions, including overcurrent, short circuit, and earth fault detection, to offer comprehensive protection. Its compact size and lightweight design make installation easy and space-saving.
The REF545KC133AAAA supports RS-485 communication, allowing seamless integration with other devices and systems. This feature enables real-time monitoring and remote control, enhancing system management and maintenance.
Manufactured by ABB, a global leader in power and automation technologies, this protective relay module combines proven engineering expertise with cutting-edge technology. It adheres to international standards, ensuring compliance and reliability in diverse applications.
For optimal performance, the ABB REF545KC133AAAA is designed to operate within a wide temperature range and offers protection against dust and moisture. It is suitable for use in factories, power plants, and commercial buildings.











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