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Product Detailed Parameters
- Description：LINE FILTER 250VAC/VDC 20A CHASS
- Series：NBM
- Mfr：Cosel USA, Inc.
- Package：Box
- Filter Type：Single Phase
- Configuration：Two Stage
- Voltage - Rated DC：250V
- Voltage - Rated AC：250V
- Current：20 A
- Frequency - Operating：-
- Applications：General Purpose
- Approval Agency：cURus, VDE
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Chassis Mount
- Termination Style：Terminal Block
- Inductance：-
- Voltage - Rated AC (Phase to Ground/Neutral)：250 V
- Voltage - Rated AC (Phase to Phase)：-
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Overview
The Cosel NBM-20-101 is a single-phase, two-stage EMC/EMI power line filter designed for chassis mounting. It supports AC voltages up to 250 VAC and DC voltages up to 250 VDC with a continuous current rating of 20 A. The unit features screw terminal connections and includes a 100 pF capacitor. Leakage current is specified at a maximum of 25 uA, with typical values around 12.5 uA. Operating temperatures range from -40°C to 85°C, and the component weighs approximately 270 g.
Feature Summary
- Two-stage filtering architecture for enhanced noise suppression
- Chassis mount design with screw terminal block termination
- Dual voltage capability supporting both AC and DC applications
Applications
- Industrial equipment power conditioning
- Medical device power supply input protection
- General purpose EMC/EMI line filtering
Procurement Notes
Verify the specific ordering suffix against official Cosel documentation to ensure correct termination style and certification requirements. Confirm that the 20 A current rating and 250 VAC/VDC voltage limits align with your system's electrical specifications before procurement. Check for RoHS3 compliance status if required by your manufacturing standards.
Selection Notes
Select this model when a single-phase, two-stage filter is required for chassis installation. Ensure the application environment stays within the -40°C to 85°C operating temperature range. Verify that the 20 A current capacity meets the load requirements and that the 100 pF capacitance value is suitable for the specific EMI suppression needs.
Part Context
This component belongs to the Cosel NBM series of power line filters. The series offers various configurations for different current ratings and mounting styles. The NBM-20-101 specifically denotes the 20 A variant with chassis mount terminals. It is part of a broader family of industrial-grade filters designed for robust electromagnetic interference reduction in demanding environments.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Consult Cosel USA, Inc. technical support or official distributor catalogs for verified cross-references or equivalent models within the NBM series.
