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Product Detailed Parameters
- Description：LINE FILTER 250VAC/VDC 20A DIN
- Series：NBH
- 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：DIN Rail
- 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 NBH-20-102-D is a single-phase power line filter designed for AC and DC applications. It features a two-stage filtering architecture with a common mode noise reduction capability. The unit supports a rated voltage of 250 VAC and 250 VDC, with a continuous current rating of 20 A. It utilizes screw termination for secure connections and is configured for DIN rail mounting. The device operates within a frequency range of 10 kHz to 10 MHz and maintains a maximum leakage current of 130 µA.
Feature Summary
- Two-stage filtering structure for enhanced noise suppression
- Common mode noise filtration capability
- DIN rail mounting configuration for panel integration
- Screw terminal connections for reliable electrical contact
Applications
- Industrial control systems requiring EMI/EMI protection
- Power supply input stages for sensitive electronics
- Equipment compliant with EMC emission standards
Procurement Notes
Verify the specific ordering suffix against the manufacturer datasheet to confirm mechanical dimensions and terminal configurations. Ensure the selected variant matches the required mounting style and current ratings for the target application. Cross-reference certification marks such as UL, CSA, or VDE if regulatory compliance is mandatory for the end product deployment.
Selection Notes
Select this component when a 20 A capacity is required for single-phase lines operating at 250 VAC or VDC. The DIN rail form factor suits enclosures with standard rail infrastructure. Evaluate the 10 kHz to 10 MHz operational bandwidth against the specific interference spectrum present in the installation environment to ensure adequate attenuation performance.
Part Context
This model belongs to the NB series of power line filters manufactured by Cosel USA, Inc. The series provides various current ratings and mounting options to address different electromagnetic compatibility requirements in industrial and commercial power distribution networks.
Replacement Considerations
Consult official substitution lists for equivalent models with matching current and voltage ratings. Verify that alternative components support the same DIN rail mounting interface and screw termination type to maintain mechanical compatibility.
