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ABB REF545KB133AAAA – High-Performance Protective Relay Module for Power Distribution Systems
The ABB REF545KB133AAAA is a high-performance protective relay designed for precise fault detection in electrical systems. It is ideal for applications requiring reliable protection against faults and overloads.
Detailed content
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 a highly reliable relay protection module specifically engineered for industrial environments. Designed with cutting-edge technology, this module provides robust protection against electrical faults and ensures uninterrupted power supply. Its compact design allows for easy installation and maintenance, making it an ideal choice for various industrial applications.
This relay protection module features a wide operating voltage range of 240V AC and supports both 50Hz and 60Hz frequencies, ensuring compatibility with diverse power systems. With its advanced protection class of IP20, it offers excellent dust and water resistance, enhancing its durability and longevity. The ABB REF545KB133AAAA also comes equipped with a Modbus RTU communication interface, enabling seamless integration with other control systems and enhancing operational efficiency.
Its DIN rail mounting type makes it convenient to install in tight spaces, saving valuable real estate in industrial settings. Additionally, the module is certified to meet international standards such as CE, UL, IEC 61000-4-4, and IEC 61000-4-5, ensuring safety and reliability in demanding environments.
Designed with user convenience in mind, the ABB REF545KB133AAAA offers straightforward installation and maintenance procedures. The module’s rugged construction and wide operating temperature range (-25°C to +55°C) make it suitable for harsh conditions, including extreme temperatures and dusty environments. By leveraging the advanced features of the ABB REF545KB133AAAA, industries can achieve superior protection and reliability, ultimately leading to enhanced productivity and reduced downtime.
