FN258-250-40

Description：LINE FILTER 250A CHASSIS MOUNT
Series：FN 258
Mfr：Schaffner EMC Inc.
Package：Tray

SKU:638d9fb5d2f4 Category: Power Line Filter Modules Brand: Schaffner EMC Inc.

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Product introduction

Product Detailed Parameters

Description：LINE FILTER 250A CHASSIS MOUNT
Series：FN 258
Mfr：Schaffner EMC Inc.
Package：Tray
Filter Type：Three Phase (Delta)
Configuration：Two Stage
Voltage - Rated DC：-
Voltage - Rated AC：-
Current：250 A
Frequency - Operating：DC ~ 60Hz
Applications：Inverters, Power Drive Systems
Approval Agency：CSA, ENEC, UR
Operating Temperature：-25°C ~ 100°C
Mounting Type：Chassis Mount
Termination Style：Terminal Block
Inductance：-
Voltage - Rated AC (Phase to Ground/Neutral)：277 V
Voltage - Rated AC (Phase to Phase)：480 V

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FN258-250-40

Overview

The FN258-250-40 is a three-phase power line filter manufactured by TE Connectivity / Schaffner. It features a chassis mount book-style design with terminal block termination. The component is rated for 250 A current and 480 VAC voltage, operating within a frequency range of 0 Hz to 60 Hz. It has a leakage current of 3.5 mA and complies with UL, CSA, and IEC/EN standards. The unit measures 400 mm in length, 110 mm in width, and 240 mm in height, weighing approximately 11 kg.

Feature Summary

Provides electromagnetic interference mitigation for three-phase power systems
Utilizes a robust chassis-mount book-style construction for industrial environments
Supports high-current applications up to 250 amperes

Applications

Industrial automation machinery
Servo drives and inverters
Machine tools and general purpose industrial equipment

Procurement Notes

Verify the specific suffix code against official documentation to confirm exact termination style and certification status. Confirm that the terminal block configuration matches the installation requirements. Check for obsolescence notices as this part may be discontinued or subject to limited supply constraints. Ensure compliance with local electrical safety regulations before deployment.

Selection Notes

Select this model for three-phase systems requiring 250 A capacity at 480 VAC. Ensure the chassis mounting space accommodates the specified dimensions. Verify that the terminal block interface suits the wiring harness. Consider thermal management due to the physical size and weight of the unit during integration.

Part Context

This component belongs to the FN 258 series of EMC/RFI filters designed for heavy-duty industrial power conditioning. The series offers various current ratings and termination options to suit different machine tool and drive applications. It is engineered to meet stringent international safety and emission standards.