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Product Detailed Parameters
- Description：LINE FLTR 115/250VAC 20A PANEL
- Series：PLF
- Mfr：Adam Tech
- Package：Tray
- Filter Type：Single Phase
- Configuration：Two Stage
- Voltage - Rated DC：-
- Voltage - Rated AC：115V, 250V
- Current：20 A
- Frequency - Operating：50/60Hz
- Applications：General Purpose
- Approval Agency：cURus
- Operating Temperature：-25°C ~ 85°C
- Mounting Type：Panel Mount
- Termination Style：Threaded Post (M4)
- Inductance：500µH
- Voltage - Rated AC (Phase to Ground/Neutral)：-
- Voltage - Rated AC (Phase to Phase)：-
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Overview
The PLF-21D4-20A-S is a single-phase EMI/RFI power line filter manufactured by Adam Tech. It features a two-stage design for enhanced attenuation and supports current ratings up to 20 A at voltage levels of 115 VAC or 250 VAC. The unit operates within a frequency range of 50 Hz to 60 Hz and utilizes screw clamp termination methods. Designed for chassis mounting, this component provides robust electromagnetic interference suppression for critical power applications.
Feature Summary
- Two-stage architecture providing high-performance signal attenuation
- Chassis mount configuration with flanged housing
- Screw clamp termination for secure electrical connections
Applications
- Medical equipment requiring strict EMI suppression
- High-performance industrial control systems
- Sensitive electronic instrumentation
Procurement Notes
Verify the specific suffix against official Adam Tech documentation to confirm exact mechanical dimensions and terminal configurations. Ensure the selected variant matches the required chassis cutout and mounting hole pattern. Confirm compliance certifications such as UL or CURUS are valid for your target market before finalizing procurement orders.
Selection Notes
Select this model when dual-stage attenuation is necessary for stringent noise reduction requirements. Compare physical envelope dimensions against available panel space. Verify that the 20 A current rating aligns with the maximum load current of the protected circuit to ensure safe operation under all expected conditions.
Part Context
This component belongs to the PLF series of EMI/RFI power line filters from Adam Tech. The series includes various configurations tailored for different current and voltage needs. The PLF-21D4-20A-S specifically represents a medium-outline chassis mount option designed for demanding environments where superior filtering performance is essential.
Replacement Considerations
Consult official substitution guides for compatible alternatives. Verify that any replacement part maintains identical mounting dimensions and electrical ratings to ensure direct interchangeability without modifying existing hardware layouts.
