FN258L-30-33

Overview

The Schaffner FN258L-30-33 is a three-phase EMC/RFI line filter designed for inverter and power drive systems. It features a two-stage filtering architecture with terminal block connections and chassis mounting. The unit supports a maximum current of 30 A at AC voltages up to 480 V and operates at frequencies from DC to 60 Hz. Key electrical parameters include a leakage current of 33 mA and a power loss of 11.8 W. Physical dimensions are 270 mm in length, 85 mm in height, and 50 mm in depth, with an operating temperature range of -25°C to +100°C.

Feature Summary

• Two-stage filtering design optimized for inverter applications
• Book-style construction for efficient chassis integration
• Terminal block termination for secure wiring

Applications

• Inverter systems
• Power drive systems
• Industrial machinery requiring EMI suppression

Procurement Notes

Verify the exact part number against official TE Connectivity / Schaffner documentation, as suffixes define specific ratings. Confirm lead times and availability directly with authorized distributors, as stock levels fluctuate. Ensure the selected variant matches the required voltage and current specifications for the target application before ordering.

Selection Notes

Select this component when high-current three-phase filtering is required for drives. Compare leakage current limits and physical footprint against panel constraints. Verify that the terminal block interface aligns with existing wiring harnesses. Consider thermal management requirements given the specified operating temperature range and power loss characteristics.

Part Context

This model belongs to the FN258 series, which provides book-style EMC filters for industrial power electronics. The series is engineered for robust performance in noisy environments typical of motor drives and inverters. It represents a specialized solution within Schaffner's broader portfolio of power line conditioning products.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided source material.