A-B 857-3C6AEC857 Motor Feeder Protection Relay, Industrial Grade Protection Device
The A-B 857-3C6AEC857 Motor Feeder Protection Relay provides reliable protection against overloads, short circuits, and phase failure in industrial electrical systems. Ideal for applications requiring high reliability and durability.
Manufacturer:Rockwell Automation
Model Number:857-3C6AEC857
Protection Type:Overcurrent, Phase Loss, Thermal Overload
Rated Current:Up to 600 A
Operating Voltage:24-480 VAC
Communication Interface:Ethernet/IP, DeviceNet
Environmental Rating:IP65
Certifications:CE, UL, CSA, RoHS
The A-B 857-3C6AEC857 Motor Feeder Protection Relay from Rockwell Automation combines advanced technology with robust design to offer unparalleled protection for your industrial electrical systems. This relay is meticulously engineered to safeguard motors and feeders against overcurrent, short circuits, and other potential hazards, ensuring continuous operation and longevity of your equipment.
With its thermal-magnetic tripping characteristics, it provides a balance between fast response times for high fault currents and delayed action for overload situations. Its protection rating of IP20 makes it suitable for indoor installations where dust ingress needs to be controlled.
This relay operates within a wide frequency range of 50/60Hz and supports a rated voltage of 480V, making it versatile enough to meet the demands of various industrial applications. Certified to meet international standards such as CE, UL, and CSA, this device adheres to strict quality and safety guidelines.
Installation and maintenance are straightforward, thanks to its user-friendly interface and comprehensive documentation. Whether you’re upgrading existing systems or installing new ones, the A-B 857-3C6AEC857 ensures peace of mind with its reliable performance.











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