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and communication interfaces
30 mA at 24 V DC via external supply
Push-Button Configuration: Simplifies field adjustments without external tools
23 kHz (relay switching capability)
web-based configuration
ABB REJ603 REJ603BB401NN3XE Feeder Protection Relay Sourcing Output Module and communication interfacesDescription The ABB REJ603 (REJ603BB401NN3XE) is a self powered numerical protection relay designed for selective short circuit and earth fault protection in secondary distribution networks. It operates without auxiliary power, making it ideal for remote or unmanned installations. Specifications Product Type: Self powered feeder protection relay Part Number: REJ603BB401NN3XE Power Supply: Current transformer (CT) powered, no external auxiliary voltage