A-B 857-3C6CAL Protection Relay with RS232 & Enet Communication for Arc Flash Detection
The A-B 857-3C6CAL Protection Relay is designed for industrial automation systems, providing advanced protection against arc faults. Equipped with RS232 and Ethernet communication capabilities, it ensures seamless integration with existing control networks. Ideal for applications requiring high reliability and safety.
Manufacturer:A-B
Model Number:857-3C6CAL
Type:Protection Relay
Communication Interfaces:RS232, Ethernet
Arc Flash Detection:Yes
Operating Voltage Range:120-480V AC
Current Rating:Up to 600A
Protection Functions:Overcurrent, Ground Fault, Phase Unbalance
Environmental Protection Rating:IP65
Weight:3.5 lbs
Dimensions:8.5 x 4.3 x 2.7 inches
The A-B 857-3C6CAL Protection Relay is designed for industrial applications requiring robust overcurrent, short-circuit, and ground fault protection. It is equipped with both RS232 and Ethernet communication interfaces, enabling seamless integration into existing networks. The relay supports operating voltages up to 120V AC or 24V DC and can handle currents up to 100A, ensuring it meets the needs of a wide range of industrial control systems.
Built to withstand harsh industrial environments, this protection relay boasts an IP65 rating, making it resistant to dust and water splashes. Its compact design at 100mm x 150mm x 50mm (LxWxH) ensures it can be easily installed in tight spaces without compromising functionality. Weighing only 1.2kg, it is lightweight yet durable, withstanding the rigors of continuous operation in demanding conditions.
Certified to meet international safety standards, including UL, CE, and RoHS, the A-B 857-3C6CAL Protection Relay is built to last and perform reliably under the most challenging conditions. Whether you’re upgrading an existing system or building a new one from the ground up, this protection relay offers unparalleled performance and peace of mind.














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