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Product Detailed Parameters
- Description：LINE FILTER 250VAC 20A CHASS MNT
- Series：3E
- Mfr：Astrodyne TDI
- Package：Box
- Filter Type：Three Phase (Delta)
- Configuration：Two Stage
- Voltage - Rated DC：-
- Voltage - Rated AC：250V
- Current：20 A
- Frequency - Operating：50/60Hz
- Applications：General Purpose
- Approval Agency：CE, CSA, cURus, SEMKO
- Operating Temperature：-
- Mounting Type：Chassis Mount
- Termination Style：Threaded Post (10-32)
- Inductance：-
- Voltage - Rated AC (Phase to Ground/Neutral)：-
- Voltage - Rated AC (Phase to Phase)：-
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Overview
The Astrodyne TDI 3E20D LF is a three-phase (Delta) EMC/EMI line filter module rated for 250VAC and 20A at 50/60Hz. It utilizes a two-stage filtration design to suppress electromagnetic interference. The unit features threaded post termination with 10-32 threads, ensuring secure electrical connections. Designed for chassis mounting, this power line filter provides robust noise reduction for industrial applications requiring reliable power conditioning.
Feature Summary
- Two-stage filtration architecture for enhanced EMI/EMC suppression
- Threaded post termination (10-32) for secure connection
- Chassis mount style for stable installation
Applications
- Industrial power distribution systems
- Three-phase equipment requiring EMI filtering
- Power conditioning modules
Procurement Notes
Verify the specific suffix 'LF' against official datasheets to confirm lead-free compliance status. Confirm that the 10-32 threaded post termination matches your panel hole specifications. Ensure the 20A current rating and 250VAC voltage limit align with your system's operational requirements before procurement.
Selection Notes
Select this component when a three-phase Delta configuration is required for 20A applications. The two-stage design offers superior attenuation compared to single-stage alternatives. Verify that the chassis mount form factor fits within the available enclosure space and that the 10-32 thread pitch is compatible with existing hardware.
Part Context
This part belongs to the Astrodyne TDI power line filter series, designed for industrial EMC/EMI mitigation. It serves as a specialized solution for three-phase systems where high-current handling and effective noise suppression are critical. The module integrates directly into power distribution panels to protect downstream equipment from conducted interference.
Replacement Considerations
Consult official substitution guides for equivalent three-phase filters with matching 20A ratings and 10-32 termination styles. Verify dimensional compatibility and mounting hole patterns before replacing. Ensure any substitute maintains the same two-stage filtration performance and voltage ratings.
