Midwest Electric 4CT15B Current Transformer

Midwest Electric 4CT15B Current Transformer has a primary-to-secondary ratio of 500:5, providing a scaling factor of 100:1 so that high primary currents are represented by a 5 A secondary for safe, accurate measurement. The model designation 4CT15B identifies this unit within Midwest Electric's current transformer lineup. The specification lists a frequency range of 25-400 CYCLES, indicating its operation across a broad spectrum of alternating-current environments. Together, these core specifications—ratio, model identifier, and cycle range—define the essential characteristics needed to determine if this current transformer matches your sensing or metering requirements in electrical installations.