Ritz manufactures an extensive line of cast epoxy resin insulated transformers across the voltage range of 5.5 kV to 72.5 kV. This brochure describes outdoor window type Current Transformers for the 25kV class and below. The type GIFD is suitable for high current metering and relaying. Industry-standard performance ratings are shown on the reverse page. Ritz, because of product depth, familiarity with international standards, and custom design capability can also design a solution to your specific needs.