Description
The Siemens 4NC5434-2CH21 Sentron Series Window Current Transformer is a certified component crucial for accurate current measurement in industrial power systems. This transformer is designed to step down high primary currents to a lower, measurable secondary current, typically 5A, which is suitable for use with meters, relays, and control systems. With an input rating of 1250A, it is capable of handling substantial electrical loads efficiently and safely.
Featuring a window-type design, the Siemens 4NC5434-2CH21 allows for easy installation by simply passing the primary conductor through the aperture, eliminating the need to break circuits. This design significantly simplifies the process of retrofitting or upgrading existing installations. The transformer’s robust construction ensures durability and reliable performance in harsh industrial environments, meeting stringent quality standards.
The primary application of the Siemens 4NC5434-2CH21 is in power monitoring, energy metering, and protective relaying for medium to high-current circuits. It plays a vital role in ensuring the safe and efficient operation of electrical infrastructure by providing accurate current data essential for system analysis and fault detection. This Siemens current transformer is a key element in maintaining system integrity.
Choose the Siemens 4NC5434-2CH21 for its certified accuracy and robust design. This window current transformer offers a reliable solution for precise current measurement, essential for effective power management and system protection in industrial applications. It’s a dependable choice for accurate electrical monitoring.

















