ABB SPCJ4D34-AA Industrial Ethernet I/O System Module
The ABB SPCJ4D34-AA is a protection relay designed for medium voltage applications, featuring four current inputs and three voltage inputs. It supports directional earth-fault protection, phase overcurrent, and thermal overload protection. Typical applications include power distribution networks and industrial power systems. Compared to the ABB SPAU130C-AA, the SPCJ4D34-AA offers enhanced voltage input capabilities and a more comprehensive set of protection functions, making it suitable for more complex power system protection requirements.
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