NAM-20-471-D

Power Line Filter Modules Overview

The NAM-20-471-D is a single-phase EMC/EMI power line filter module manufactured by Cosel USA, Inc. It features a two-stage filtering architecture designed for noise suppression in the 10 kHz to 10 MHz frequency range. The unit supports a continuous current rating of 20 A and operates at voltage ratings up to 250 VAC or 250 VDC. Key electrical specifications include a leakage current of 50 µA and a capacitance value of 470 pF. The component utilizes screw termination for secure connections and is engineered for DIN rail mounting. It complies with UL, CSA, DIN, VDE, and ENEC standards.

Power Line Filter Modules Feature Summary

• Two-stage filtering architecture for enhanced electromagnetic interference suppression
• DIN rail mounting style for standardized industrial panel integration
• Screw termination type ensuring robust electrical connectivity
• Compliance with major international safety and regulatory standards

Power Line Filter Modules Applications

• Industrial machinery control panels requiring EMI reduction
• Power supply input stages for sensitive electronic equipment
• Automated manufacturing systems needing stable power quality
• Medical device power interfaces adhering to strict leakage limits

Power Line Filter Modules Procurement Notes

Verify the specific suffix 'D' confirms DIN rail compatibility during procurement. Confirm that the 20 A current rating aligns with the maximum load requirements of the target circuit. Ensure the installation environment supports the specified voltage ratings of 250 VAC/VDC. Check for required certifications such as UL or VDE depending on regional compliance needs. Validate terminal types match existing wiring infrastructure.

Power Line Filter Modules Selection Notes

Select this model when a two-stage filter is necessary for superior noise attenuation compared to single-stage alternatives. Choose based on the 20 A current capacity requirement for high-power applications. Consider the DIN rail form factor if space-constrained panel mounting is preferred over chassis installation. Evaluate the low leakage current specification for applications involving human contact or sensitive measurement circuits.

Power Line Filter Modules Part Context

This component belongs to the NAM series of power line filters from Cosel USA, Inc., which focuses on single-phase EMC solutions. The series offers various current ratings and capacitance values to suit different noise profiles. The NAM-20-471-D specifically addresses higher current demands while maintaining compact dimensions suitable for modern industrial enclosures.

Power Line Filter Modules Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and mounting hole patterns before considering alternative brands. Ensure replacement units meet identical voltage and current ratings to maintain system safety.