Rockwell A-B 857-3C6AAA857 Motor Feeder Protection Relay, Comprehensive Protection for Industrial Applications
The Rockwell Automation 857-3C6AAA857 Motor Feeder Protection Relay is designed to protect motors from electrical faults, providing overcurrent protection and fault detection in industrial environments. It is ideal for use in manufacturing facilities and other heavy-duty applications where reliable motor protection is essential.
Brand:Rockwell
Model:857-3C6AAA857
Type:Motor Feeder Protection Relay
Rated Current:Up to 600A
Operating Voltage:200-690V AC
Frequency Range:50/60Hz
Protection Class:IP20
Mounting:Panel Mount
Communication Interface:Modbus RTU
Certification:CE, UL, IECEx
The Rockwell Automation A-B 857-3C6AAA857 Motor Feeder Protection Relay is an essential device for safeguarding industrial motors and feeders against overloads, short circuits, and other electrical faults.
Its thermal-magnetic tripping characteristics ensure rapid response to abnormal conditions, minimizing downtime and damage.
Built with robust materials, this relay can withstand harsh industrial environments with an operating temperature range of -40°C to +85°C and a protection rating of IP20.
It complies with CE, UL, and IEC standards, ensuring reliability and safety.
Installation is straightforward, with clear wiring diagrams provided in the user manual.
With its compact design and efficient performance, the Rockwell Automation A-B 857-3C6AAA857 Motor Feeder Protection Relay is a reliable choice for any industrial control system.












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