NBC-20-681-D

Power Line Filter Modules Overview

The NBC-20-681-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 DIN rail mounting with screw termination. The component supports AC voltages up to 250VAC and DC voltages up to 250VDC, handling a rated current of 20A. Key electrical specifications include a maximum leakage current of 75.5 µA or 150 µA depending on configuration, a capacitance of 1 nF, and an operating frequency range of 150 kHz to 1 MHz.

Power Line Filter Modules Feature Summary

• Two-stage common mode noise filtering architecture
• DIN rail mounting style with screw terminal connections
• Low leakage current design for safety compliance

Power Line Filter Modules Applications

• Industrial control systems requiring EMI suppression
• Power distribution units needing EMC compliance
• General-purpose electromagnetic interference filtering

Power Line Filter Modules Procurement Notes

Verify the specific suffix designation against official Cosel documentation to ensure correct leakage current ratings and certification status. Confirm that the required voltage and current parameters align with the system's operational limits before procurement. Ensure compatibility with standard DIN rail profiles for mechanical installation.

Power Line Filter Modules Selection Notes

Select this model when a two-stage filtering solution is required for single-phase applications up to 20A. Consider the low leakage current specification if personnel safety or sensitive equipment grounding is a priority. Verify that the DIN rail form factor fits the existing enclosure constraints compared to panel mount alternatives.

Power Line Filter Modules Part Context

This component belongs to the NBC series of power line filters from Cosel. The series offers various current ratings and capacitance values to suit different EMC requirements. The NBC-20 variant specifically addresses higher current demands while maintaining compact DIN rail compatibility for industrial environments.

Power Line Filter Modules Replacement Considerations

Check for NBC-20-472-D as a potential alternative within the same series. Verify if the leakage current and capacitance values of the substitute meet the specific circuit requirements. Ensure the replacement maintains the same DIN rail mounting interface and voltage ratings.