Description
The Siemens 4NC5440-2DM21 is a certified window current transformer essential for accurate current measurement in high-voltage and high-current industrial applications. This transformer is designed with a primary input capacity of 2500 Amperes and features a 2500:5 turns ratio, which precisely steps down the current to a safe and manageable 5 Ampere output on the secondary side. The convenient window design of the Siemens 4NC5440-2DM21 allows for effortless installation by simply passing the primary conductor through the aperture, eliminating the need to interrupt the circuit.
Constructed with high-quality materials and adhering to strict industry standards, this Siemens current transformer ensures reliable and stable performance over its operational life. It is designed to minimize measurement errors and provide consistent readings, crucial for both energy metering and protective relaying applications. The Siemens 4NC5440-2DM21 offers excellent insulation and safety features.
This current transformer is ideal for use in power distribution systems, substations, large industrial facilities, and anywhere accurate current monitoring is required. It plays a vital role in ensuring the efficient operation of electrical grids, preventing overloads, and enabling precise energy billing. The Siemens 4NC5440-2DM21 is a key component for modern power management.
Choose the Siemens 4NC5440-2DM21 for a certified, reliable, and easy-to-install current transformer that delivers accurate measurements for your critical electrical systems. Invest in Siemens’ proven technology for dependable power monitoring.







