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Diagnostics: Built‑in HART communication and device status monitoring
including Ethernet and serial communication
Environmental Rating: Temperature: –40°C to +70°C
Fast Response: Rapid start-up for emergency or peak load balancing
This module provides essential relay contact outputs for controlling various devices effectively
ABB REJ603BB401NN31E Self-Powered Feeder Protection Relay PCB Board Diagnostics: Built‑in HART communication andDescription The ABB REJ603BB401NN31E is a self powered feeder protection relay from the Relion 605 series. Designed for secondary distribution networks, it provides reliable overcurrent and earth fault protection without requiring auxiliary power, making it ideal for remote or backup installations. Specifications Model: REJ603BB401NN31E Series: Relion 605 Type: Self Powered Feeder Protection Relay Power Supply: Directly powered by current transformers
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