Ground Current Transformers: Transformer Type - GF Relay External Current Transformer; Window - 4.00 x 13.80 in.; Ratio - 500-1; Class - 600V; Additional Information - Zero Sequence, Dimensions: 20.87 in. W x 7.87 in. H x 1.57 in. D; Manufacturer Series - C311CT
Additional Info: Zero Sequence, Dimensions: 20.87 in. W x 7.87 in. H x 1.57 in. D