Rockwell Automation 857-3C6BID857 Motor Feeder Protection Relay
The Rockwell Automation 857-3C6BID857 Motor Feeder Protection Relay is an advanced circuit protection device designed for industrial control systems. It ensures reliable operation and safety of motors and feeders by providing overcurrent, short-circuit, and phase failure protection. Ideal for applications in manufacturing plants, energy facilities, and large-scale industrial environments.
Brand:Rockwell Automation
Model Number:857-3C6BID857
Type:Motor Feeder Protection Relay
Rated Current:Up to 600 A
Voltage Rating:AC 277 V
Protection Levels:Overcurrent, Ground Fault, Phase Unbalance, Under Voltage
Communication Interface:Modbus RTU, DeviceNet
Operating Temperature Range:-25°C to +70°C
Enclosure Rating:NEMA 4X, IP66
Weight:Approximately 1.5 kg
This Motor Feeder Protection Relay is an essential component for industrial electrical systems. With its robust design and high-performance standards, it efficiently guards against various electrical faults. The relay’s protection class of IP65 ensures it can operate reliably in harsh environments without the risk of dust or water ingress. Rated for voltages up to 480V AC and currents up to 600A, this relay is suitable for a wide range of applications, including manufacturing facilities and power distribution systems. Its tripping characteristics are adjustable between Type B, C, and D, allowing for precise protection settings tailored to specific motor and feeder requirements. Operating within a temperature range of -25°C to +70°C, this relay remains stable and effective under varying environmental conditions. Certified to meet CE, UL, and IEC standards, the A-B 857-3C6BID857 Motor Feeder Protection Relay ensures safety, reliability, and compliance with international regulations.











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