F2 Series current transformer

Product Overview

A CT is powered by electromagnetic induction and consists of a main winding (few turns, connected in series with the high-current circuit) and a secondary winding (many turns, coupled to safety or measurement devices). The primary winding receives a large current whereas the secondary winding, which is typically standardized to 5A or 1A for most industrial purposes, receives a proportionately low current. This proportionality, sometimes referred to as the transformation ratio, ensures accurate current measurement without exposing personnel or equipment to potentially dangerous voltages.

Important characteristics of CTs include high precision (needed for energy metering), strong linearity (to avoid measurement distortion), and insulation strength (to maintain high voltage between windings). Importantly, while using a CT, the secondary winding should never be open-circuited. This is due to the possibility that an open circuit might result in dangerously high voltages that could harm equipment.The In conclusion, because they provide precise current monitoring and excellent fault protection, current transformers are critical to maintaining the reliability, efficacy, and safety of modern electrical systems.

Technical Parameters