ABB SPAJ110C Secondary earth-fault relay for sale

Description

The ABB SPAJ110C is a secondary earth-fault relay designed to be used for selective earth-fault protection in medium voltage power systems. It can be used as primary or back-up protection for feeders, transformers, generators, and motors.

• Solidly earthed or low-resistance earthed systems
• Feeders, transformers, generators, and motors
• Residual voltage relay cooperation
• Secondary relay
• Current transformer connection
• Residual current connection or window-type core-balance current transformer

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