ABB 202Z6267 Ground Shield Ground Fault Relay (Type GRZ) is a protective relay from ABB that monitors earth faults in shielded electrical systems and signals protective actions when a fault is detected. Identified by its part number 202Z6267 and the GRZ type designation, it is designed to integrate with ABB protection schemes to guard equipment such as cables, motors, and switchgear against damaging ground faults. For installation and operation, refer to ABB’s technical documentation to verify wiring configurations, input/output compatibility, and integration with companion protection relays.
