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Product Detailed Parameters
- Description：LINE FILTER 250A CHASSIS MOUNT
- Series：FN 3311
- Mfr：Schaffner EMC Inc.
- Package：Bulk
- Filter Type：Three Phase (Delta)
- Configuration：Single Stage
- Voltage - Rated DC：-
- Voltage - Rated AC：-
- Current：250 A
- Frequency - Operating：DC ~ 60Hz
- Applications：Inverters, Power Drive Systems
- Approval Agency：CE, cURus, ENEC, UKCA
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Chassis Mount
- Termination Style：Terminal Post
- Inductance：-
- Voltage - Rated AC (Phase to Ground/Neutral)：440 V
- Voltage - Rated AC (Phase to Phase)：760 V
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Overview
The FN3311HV-250-99-C18-R55 is a three-phase busbar power line filter from the Schaffner FN3311HV series. It features a Delta (3-wire + ground) configuration with busbar input and output terminations. The unit is rated for 760 VAC and supports a continuous current of 250 A. Designed for chassis mounting via screw connections, it exhibits a leakage current of 90 uA. The filter operates within a frequency range of 0 Hz to 60 Hz and complies with CSA, IEC/EN 60939, and UL 1283 standards.
Feature Summary
- Three-phase busbar topology supporting high-current industrial applications
- High voltage rating up to 760 VAC for robust grid integration
- Low leakage current design ensuring personnel and equipment safety
- Chassis mount construction with screw termination for secure installation
Applications
- Industrial motor drive systems requiring EMI suppression
- High-power renewable energy inverters
- Heavy-duty manufacturing machinery power conditioning
- Uninterruptible power supply (UPS) input stages
Procurement Notes
Verify exact dimensional constraints against chassis cutouts before procurement. Confirm that the busbar interface matches existing terminal hardware. Ensure the operating environment temperature remains within specified limits. Check local regulatory compliance requirements against the listed certifications. Validate that the 250 A current rating aligns with peak load demands without derating issues.
Selection Notes
Select this model when high current capacity and high voltage tolerance are required in a compact busbar format. Compare against standard plug-in filters if space allows for lower current ratings. Consider thermal management needs given the high current handling capability. Verify compatibility with upstream circuit breakers and downstream loads. Evaluate maintenance access requirements for chassis-mounted units.
Part Context
This component belongs to the Schaffner FN3311HV series, designed specifically for high-voltage and high-current EMC filtering. The HV designation indicates enhanced voltage insulation capabilities compared to standard variants. The series utilizes advanced materials to maintain performance under heavy electrical stress. It represents a specialized solution for demanding industrial power electronics environments.
Replacement Considerations
Direct substitutes include other FN3311HV models with matching current ratings such as FN3311HV-400-99-C18-R55 or FN3311HV-600-99-C18-R55, provided voltage and physical dimensions are compatible. Cross-reference datasheets for identical busbar spacing and mounting hole patterns to ensure mechanical interchangeability.
