NAM-20-331

Power Line Filter Modules Overview

The NAM-20-331 is a single-phase EMC/EMI power line filter module manufactured by Cosel USA, Inc. It features a chassis mount design with screw termination for secure electrical connections. The component is rated for 250 VAC and 250 VDC operation with a current capacity of 20 A. It utilizes a single-stage terminal block configuration to suppress electromagnetic interference.

Power Line Filter Modules Feature Summary

• Single-phase EMI/EMC noise suppression
• Chassis mount construction
• Screw termination interface

Power Line Filter Modules Applications

• Industrial equipment power conditioning
• General purpose power line filtering
• Electronic device input protection

Power Line Filter Modules Procurement Notes

Verify the specific suffix designation when ordering, as variants such as NAM-20-331-D exist with different mounting styles like DIN rail. Confirm that the required leakage current specifications align with the standard NAM-20-331 parameters before finalizing procurement. Ensure compatibility with the intended chassis mounting infrastructure.

Power Line Filter Modules Selection Notes

Select this model for applications requiring robust single-phase filtering in a chassis-mounted form factor. Consider the NAM-20-331-D variant if DIN rail installation is preferred over direct chassis mounting. Evaluate the 20 A current rating against peak load requirements to ensure adequate performance margins during operation.

Power Line Filter Modules Part Context

This component belongs to the NAM series of power line filters from Cosel. The series includes related models such as NAM-20-221 and NAM-20-471, which share similar voltage and current ratings but differ in capacitance values. The NBH series represents a distinct product line with different physical characteristics.

Power Line Filter Modules Replacement Considerations

The NAM-20-331-D serves as a functional substitute with identical electrical ratings but utilizes DIN rail mounting instead of chassis mounting. Verify mechanical fitment constraints before substituting. Other NAM series variants may offer different filtering characteristics.