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Product Detailed Parameters
- Description：LINE FILTER 520/300VAC 400A CHAS
- Series：FN 3311
- Mfr：Schaffner EMC Inc.
- Package：Box
- Filter Type：Three Phase (Delta)
- Configuration：Single Stage
- Voltage - Rated DC：-
- Voltage - Rated AC：520V, 300V
- Current：400 A
- Frequency - Operating：60Hz
- Applications：General Purpose
- Approval Agency：CE, cURus, ENEC
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Chassis Mount
- Termination Style：Terminal Post
- Inductance：-
- Voltage - Rated AC (Phase to Ground/Neutral)：300 V
- Voltage - Rated AC (Phase to Phase)：520 V
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Overview
The Schaffner FN3311-400-99-C16-R55 is a three-phase (Delta) EMC/EMI line filter designed for high-current industrial applications. It features a rated AC voltage of 520V phase-to-phase and 300V phase-to-neutral, with a continuous current rating of 400A. The unit operates within a frequency range of 0Hz to 60Hz and utilizes chassis mounting with terminal post termination. Certified by CE, cURus, and ENEC, it functions reliably in temperatures from -40°C to 100°C.
Feature Summary
- Three-phase Delta configuration for high-power industrial environments
- Chassis mount design with robust terminal post connections
- Single-stage filtering architecture for effective noise suppression
Applications
- High-current industrial power distribution systems
- Large motor drive installations requiring EMI mitigation
- Industrial machinery with significant electromagnetic interference
Procurement Notes
Verify the specific current rating and voltage configuration against your system requirements before ordering. Confirm that the terminal post termination style matches your busbar or cable connection infrastructure. Ensure the chassis mounting dimensions fit your available enclosure space. Check for updated certification marks such as UKCA if applicable to your region. Validate the operating temperature range against your environmental conditions.
Selection Notes
Select this model when a three-phase Delta filter is required for currents up to 400A. Consider the physical size constraints due to its chassis mount design. Evaluate the need for single-stage versus multi-stage filtering based on emission levels. Compare leakage current specifications if sensitive equipment is present downstream. Ensure compatibility with the 520V/300VAC voltage ratings of your power source.
Part Context
This component belongs to the FN3311 series, which offers compact three-phase high-power filters. The series supports currents up to 2300A across various models. It is manufactured by TE Connectivity Schaffner, a provider of EMC solutions. The series is designed for demanding industrial applications where space and performance are critical.
Replacement Considerations
Direct substitutes include other FN3311 series variants with different current ratings, such as FN3311-250-99-C16-R55 or FN3311-600-99-C16-R55. Verify that any replacement maintains the same 520V/300VAC rating and terminal post termination style. Ensure the physical footprint and mounting hole patterns are compatible with existing installations.
