current transformer 6a315 3 200 5aProduct Description The 6A315. 3 200 5A is a precision plug in current transformer designed for the safe and accurate measurement of electrical current in industrial and commercial applications. With a primary current rating of 200 A and a secondary current of 5 A, this transformer provides a reliable means for energy monitoring, metering, and protection systems. It is ideally suited for use in power distribution systems, energy management, and