The ChinaSound CPT110A12-4.0R is a compact current transformer (CT) specifically engineered for precise AC current measurement. This transformer features a 100A primary current rating and a 1:1000 turns ratio, providing accurate current transformation. It incorporates an integrated 4.0 Ohm burden resistor, simplifying circuit design and reducing external component requirements. The 12mm aperture facilitates easy installation around conductors. Ideal for various applications including power monitoring, control systems, and instrumentation. As an authorised distributor of ChinaSound components, Supreme Components International guarantees the authenticity and performance of this product. Benefit from reliable current sensing with this high-quality CT.