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The Cosel NBM-16-221-D is a single-phase EMC/EMI power line filter rated for 16 A current and 250 VAC/VDC voltage. It features low leakage current specifications of 37.5 uA typical and 75 uA maximum, with a capacitance of 330 pF. The unit utilizes push-down terminal connections and is designed for DIN rail mounting. This component belongs to the NB series and is classified as a low leakage current filter suitable for power conditioning applications.
Verify the specific suffix 'D' indicates DIN rail mounting configuration distinct from chassis mount variants. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure input voltage ratings match system requirements of 250 VAC or DC. Validate terminal type compatibility with existing wiring infrastructure to guarantee proper connection integrity.
Select this model when low leakage current is critical compared to standard filters. Compare capacitance values against regulatory safety standards for medical or sensitive devices. Evaluate DIN rail mounting constraints versus available panel space. Consider thermal management requirements under continuous 16 A load conditions within the enclosure environment.
This component is part of the Cosel NB series power line filters. It shares design principles with other models like NBM-20-331-D but differs in current rating and capacitance. The series focuses on balancing EMI suppression with minimal ground leakage current, addressing specific regulatory and safety needs in modern power electronics.
Direct substitutes include NBM-16-221 without the D suffix if chassis mounting is acceptable. Verify electrical parameters match exactly before swapping. Consult Cosel technical support for cross-reference validation to ensure functional equivalence in specific circuit designs.