ATO Inc showcases a comprehensive catalog of industrial-grade potential transformers (PTs) and instrument voltage transformers designed for reliable step-down voltage measurement. The versatile line features heavy-duty epoxy resin cast insulated models, indoor/outdoor configurations, and low-to-medium voltage options tailored for safe integration with metering devices and protection relays. Essential for power sub-stations, switchgears, and industrial control systems, these high-accuracy transformers step down high primary voltages to safe, measurable secondary outputs while ensuring supreme galvonic isolation. By sourcing these safety-critical devices directly from leading manufacturers, ATO guarantees highly competitive wholesale pricing. Electrical engineers and procurement professionals can easily access full burden ratings, accuracy classes, wiring schematics, and complimentary technical selection guidance.