NBC-30-681

Overview

The NBC-30-681 is a single-phase EMC/EMI line filter module manufactured by Cosel USA, Inc. It is rated for a continuous current of 30 A and operates at voltages up to 250 V AC or DC. The device features a two-stage filtering architecture designed to suppress electromagnetic interference in power lines. It utilizes a terminal block connection method for installation.

Feature Summary

• Single-phase EMC/EMI line filtering
• Two-stage attenuation architecture
• Terminal block connection interface

Applications

• Industrial power supply input stages
• Electromagnetic compatibility compliance for electronic equipment
• Power line noise suppression in control systems

Procurement Notes

Verify the specific suffix (e.g., -D) against the required mounting style, as the base part number may refer to a chassis mount variant while suffixes indicate DIN rail options. Confirm voltage ratings and current capacity match the system requirements before ordering. Request official datasheets to validate terminal block specifications and physical dimensions.

Selection Notes

Select this component based on the 30 A current rating and 250 V operating voltage limits. Ensure the application requires single-phase filtering. Compare the two-stage design against other models in the NBC-30 series if different attenuation characteristics are needed. Verify that the terminal block interface is compatible with the existing wiring infrastructure.

Part Context

This component belongs to the NBC-30 series of power line filter modules from Cosel USA, Inc. The series offers various current ratings and configurations for EMC/EMI suppression. The NBC-30-681 specifically denotes a 30 A unit within this lineup, distinguished by its two-stage filtering capability and terminal block connectivity.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Cosel USA, Inc. technical support for direct replacements or cross-references.