33574 | Schneider Electric

Summation current transformer, 33574, Schneider Electric

This is a rectangular sensor for earth leakage protection for Compact NS 1600b to 3200 devices equipped with Micrologic 7 A/P trip unit. The sensor is installed around the busbars (phases + neutral) to detect the zero phase sequence current required for the earth - leakage protection. The operational current is up to 3200 A. The inside dimensions are 470mm (W) x 160mm (H) x 72mm (D). The external dimensions are 572mm (W) x 281mm (H) x 72mm (D). The weight is 18 Kg. The sensor is installed in the switchboard. The sensor is provided with a cable for the connection to Compact NS circuit breaker.