NBH-30-322

Overview

The NBH-30-322 is a single-phase common mode noise filter manufactured by Cosel USA, Inc. It supports AC 1-250 VAC and DC 250 VDC input voltages with a rated current of 30 A. The component features a maximum leakage current of 0.75 mA and operates within a frequency range of 10 kHz to 10 MHz. Designed for chassis mounting via screw terminals, it utilizes a two-stage terminal block configuration to provide effective EMI/EMC suppression in power line applications.

Feature Summary

• Provides common mode noise filtering for single-phase power lines
• Utilizes a two-stage terminal block design for enhanced suppression
• Supports both AC and DC voltage inputs up to specified ratings

Applications

• Industrial equipment power conditioning
• Medical device power supply filtering
• Communication system EMC protection

Procurement Notes

Verify the specific datasheet version for the NBH-30-322 to confirm mechanical dimensions and terminal torque specifications. Ensure compatibility with existing chassis mounting holes and screw types. Cross-reference the leakage current rating against safety standards required for the final assembly. Confirm that the 30 A current rating meets the operational load requirements without derating issues.

Selection Notes

Select this model when a 30 A capacity is required for single-phase AC or DC systems. The two-stage architecture offers superior attenuation compared to single-stage alternatives. Verify that the chassis mount style fits the enclosure constraints. Consider the leakage current limit if strict safety isolation is mandated for the application environment.

Part Context

This component belongs to the NB series of power line filters from Cosel. The series includes variants with different leakage current ratings and terminal configurations. The NBH-30-322 specifically denotes the 30 A rating with a 0.75 mA maximum leakage current characteristic, distinguishing it from lower leakage models like the NBH-30-000.

Replacement Considerations

The NBH-30-322-D is listed as a related variant. Verify if the suffix indicates a specific packaging or terminal modification before substitution. Ensure any replacement maintains the 30 A current rating and 250 VAC/VDC voltage limits.