The ABB SPCJ4D34-AA is a multi-function motor protection relay that is part of the SPAM 150 C series. It is a secondary relay device that is connected to the current transformers of the protected motor drive. It provides protection against overload, overheating, and other electrical faults.

Here are some of the specific features of the ABB SPCJ4D34-AA:

• Versatile multifunction relay for motor protection
• Numerical motor protection relay
• Continuously measures the three phase currents and motor temperature
• Provides overload, thermal overload, and phase loss protection
• Can be used for single, two, or three phase motors
• Has a size 100 relay case

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