Siemens SENTRON Series Current Transformer 200 A 100:1 Turns Ratio 20 mm Bore 4NC5117-0DA21

Siemens 4NC5117-0DA21 SENTRON Series Current Transformer is designed for industrial and automation use, offering precise current measurement with a primary current rating of 200 A and a turns ratio of 100:1. The 20 mm bore diameter and compact dimensions make it suitable for integration in control and protection circuits.

This screw terminal current transformer features a screw fixing mount type for secure and stable installation. It operates reliably over a temperature range from 30°C to 55°C, ensuring durability in various environments.

Weighing 421 grams with a compact width of 6 mm and depth of 55 mm, this transformer conforms to DIN EN 61346-2 standards, guaranteeing adherence to recognized industrial safety and performance norms.

Its pin-winding design allows accurate measurement of low primary currents, making it an ideal choice for precise monitoring and control within electrical automation and process control systems.

The 20 mm bore diameter enables efficient current carrying capability. Screw terminal and fixing mount simplify installation and maintenance. Wide temperature operating range supports diverse industrial conditions. Compact size fits constrained installation spaces.

Compliance with DIN EN 61346-2 ensures reliability and standard conformance. Pin-winding provides enhanced accuracy at low primary currents. Lightweight design reduces mechanical and structural load.

This Siemens SENTRON current transformer is suitable for electric power metering, protection relays, and process control applications in industrial, commercial, and electrical automation environments. It ensures precise current sensing to safeguard electrical installations and optimize operational efficiency.

Explore more Siemens industrial electrical components and Current Transformers in the Transformers & Transformer Parts category at EnvMart.