The ABB SPAJ110C is a digital earth-fault relay designed for use in solidly earthed or low-resistance earthed power systems. It can be used for primary or backup protection.

The SPAJ110C has a number of features that make it suitable for a variety of applications, including:

• Three-phase current and voltage measurement
• Selectable tripping curves for phase and earth-fault protection
• Adjustable time delays for earth-fault protection
• Communication options for integration into SCADA systems

The SPAJ110C is a reliable and versatile earth-fault relay that can help to protect your electrical system from damage.

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