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1. Overview
3-Grounding electromagnetic lock is an electrical grounding locking device mainly developed as an electrical locking device for power automation substations. It locks the grounding rod during maintenance to prevent accidental removal. Incorrect grounding rod inserted. It was developed in 2011 and passed the test of the Electric Power Research Institute in 2011. The comprehensive indicators are in line with national standards. It passed the appraisal organized by the Jiangsu Provincial Electric Power Company in 2015 and has been widely praised since it was put into operation in the national power grid. It can realize true all-electric five-proof for electrical locking substations.
2. Main technical parameters
Working voltage: AC and DC.
DSN(W)3-J anti-misgrounding electromagnetic lock