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The FN258-100-35 is a three-phase delta EMC/EMI line filter module manufactured by Schaffner EMC Inc. It supports a continuous current of 100 A and operates at frequencies up to 60 Hz. The unit features a two-stage configuration with chassis mount installation and terminal block termination. Rated voltages include 277 V AC (line-to-ground) and 480 V AC (line-to-line). Operating temperature ranges from -25°C to 100°C. High potential test voltages are specified as 2650 VDC for 2 seconds between phase and earth, and 2100 VDC for 2 seconds between phases.
Verify the exact part number against official Schaffner documentation before procurement. Confirm that the specific suffix matches the required voltage ratings and mounting style. Check for any recent product change notices or obsolescence announcements directly from the manufacturer. Ensure compatibility with existing chassis dimensions and terminal block specifications.
Select this component when high current capacity of 100 A is required for three-phase delta configurations. Consider the book-style form factor for space-constrained installations in industrial drive applications. Verify that the operating temperature range meets the environmental conditions of the deployment site. Ensure the terminal block termination style aligns with the system wiring infrastructure.
This component belongs to the FN258 series of power line filters designed for demanding electromagnetic compatibility requirements. The series includes variants such as FN258L and FN258HVIT, which offer different insulation and leakage current characteristics. These filters are engineered to address strict standards in industrial automation and motor control environments.
FN3288-25-33-C17-R65 and FN3288-25-33-C35-R65 are listed as manufacturer recommended substitutes.