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Product Detailed Parameters
- Description：LINE FILTER 250VAC 20A CHASS MNT
- Series：FN 2450
- Mfr：Schaffner EMC Inc.
- Package：Box
- Filter Type：Single Phase
- Configuration：Single Stage
- Voltage - Rated DC：-
- Voltage - Rated AC：250V
- Current：20 A
- Frequency - Operating：DC ~ 400Hz
- Applications：General Purpose
- Approval Agency：CSA, ENEC, UR
- Operating Temperature：-25°C ~ 100°C
- Mounting Type：Chassis Mount
- Termination Style：Terminal Block
- Inductance：940µH
- Voltage - Rated AC (Phase to Ground/Neutral)：-
- Voltage - Rated AC (Phase to Phase)：-
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Overview
The Schaffner FN2450B-20-61 is a single-phase EMC/EMI power line filter module designed for chassis mounting. It features screw termination and operates within a frequency range of 0 Hz to 400 Hz. The component has a voltage rating of 250 VAC and a current rating of 20 A. Key electrical parameters include an inductance of 0.94 mH and a leakage current of 660 µA (0.002 mA). Physical dimensions are 103 mm in length and 38 mm in height. It complies with UL, CSA, and IEC/EN standards.
Feature Summary
- Single-stage EMC/EMI filtering architecture
- Very low leakage current design
- Chassis mount installation style
- Screw terminal connections
Applications
- Medical equipment power supplies
- Industrial control systems
- General purpose AC power filtering
Procurement Notes
Verify the specific part number suffix against official TE Connectivity Schaffner documentation to ensure correct configuration. Confirm that the required certifications (UL, CSA, IEC/EN) match your regional compliance needs. Check datasheet specifications for thermal derating curves if operating near the maximum current rating of 20 A. Ensure chassis mounting hardware is compatible with the specified screw termination type.
Selection Notes
Select this model when low leakage current is critical for safety isolation, such as in medical applications. The 20 A rating suits high-power single-phase loads. Verify that the 0.94 mH inductance provides sufficient attenuation for your specific noise profile. Consider the physical footprint of 103 mm x 38 mm for enclosure integration. Compare against other FN2450 variants if different current or inductance values are required.
Part Context
This component belongs to the Schaffner FN2450 series of single-stage EMC/EMI filters. The series is characterized by low leakage current capabilities and robust construction for industrial environments. The FN2450B-20-61 variant specifically denotes the 20 A current rating and standard chassis mount configuration within this product family.
Replacement Considerations
Publicly confirmed substitute part numbers for FN2450B-20-61 were not found in the provided source material. Consult manufacturer cross-reference guides for potential equivalents.
