ABB REF545 KB133AAAA Protection Relay, Overcurrent and Earth Fault Protection Device
The ABB REF545 KB133AAAA is a highly reliable protective relay designed for safeguarding electrical systems against faults and overloads. Its advanced features make it an essential component in power distribution networks.
Manufacturer:ABB
Model:REF545
Sub-model:KB133AAAA
Type:Protective Relay Module
Rated Voltage:Up to 500V AC
Rated Current:Up to 500A
Protection Functions:Short-circuit, overload, phase imbalance
Operating Temperature Range:-40°C to +70°C
Communication Interfaces:RS485, Ethernet
Dimensions:220mm x 160mm x 95mm
Weight:2.5 kg
The ABB REF545 KB133AAAA is a sophisticated protective relay module engineered for the most demanding industrial applications.
Its advanced overcurrent, earth fault, and differential protection functions ensure optimal safety and reliability in electrical systems.
Designed for easy integration, this module supports Modbus RTU communication, facilitating seamless interaction with other devices in your network.
Crafted from durable materials, it withstands harsh environments while delivering consistent performance.
Installation is straightforward, making it a versatile solution for both new installations and upgrades.
Ideal for power utilities, industrial plants, and infrastructure projects, the REF545 KB133AAAA provides peace of mind through its robust protection capabilities.
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