FN351-25-33

Overview

The Schaffner FN351-25-33 is a single-stage EMC/EMI line filter designed for three-phase Delta configurations. It features a rated current of 25A and supports voltages up to 520VAC. The component utilizes terminal block input and output connections, facilitating secure electrical interfacing in industrial environments. Designed for chassis mounting, it operates within a temperature range of -25°C to 100°C. This filter provides effective noise suppression for power lines, ensuring compliance with electromagnetic compatibility standards while maintaining structural integrity under standard industrial operating conditions.

Feature Summary

• Single-stage EMC/EMI filtering architecture for efficient noise attenuation
• Terminal block termination for reliable input and output connections
• Chassis mount design suitable for integration into industrial equipment enclosures

Applications

• Industrial automation systems requiring EMI suppression
• Three-phase power distribution networks
• Equipment maintenance and replacement scenarios

Procurement Notes

Verify the specific configuration requirements against official datasheets before procurement. Confirm that the terminal block interface matches existing wiring infrastructure. Ensure the chassis mounting dimensions align with the target enclosure space. Validate voltage and current ratings against the actual load parameters to prevent operational failure. Check for required regulatory certifications such as CE or CSA depending on the deployment region.

Selection Notes

Select this model when a single-stage solution is sufficient for the intended noise reduction levels. Consider the 25A current rating to ensure adequate capacity for the connected load. Evaluate the terminal block connection type against available cable options. Assess the thermal performance within the expected operating environment limits. Compare alternative models only if higher current capacity or different termination styles are required.

Part Context

This component belongs to the Schaffner FN351 series, which offers a broad range of power ratings for general-purpose EMC filtering applications. The series is engineered for fast and convenient filter selection across various industrial equipment types. It represents a standardized approach to electromagnetic interference mitigation in power line applications.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation. Verify compatibility with direct replacements by cross-referencing technical specifications.