The ABB SPAJ142C-AA RS611006-AA is a combined overcurrent and earth-fault relay.

• Combined Protection: Provides protection against both overcurrents and earth faults in a single unit.
• Selectivity: The relay can distinguish between fault currents within its protected zone and those originating elsewhere in the system, allowing for targeted tripping of circuit breakers and minimizing downtime.
• Multiple Settings: Offers adjustable settings for overcurrent and earth fault levels to optimize protection for specific applications.
• Tripping and Signaling: Can initiate tripping of circuit breakers or activate alarms and signals in response to detected faults.

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