Description

Used product. Three-phase Schaffner FN258P-130-35 EMC/RFI mains filter, designed for industrial power applications, inverters, and drive systems. The exact model is identified by major distributors as a 130 A, 480 VAC Schaffner filter, three-phase Delta configuration and two-stage design.

⚙️ Technical Specifications

• Brand: Schaffner
• Model: FN258P-130-35
• 3 × 480/275 VAC
• 50–60 Hz
• 130 A @ 50 °C
• Three-phase Delta configuration
• 2-stage EMC/RFI filter
• Chassis mounting
• Connection via terminal block
• Operating temperature −25…+100 °C
• Leakage current approx. 3.5 mA
• Power loss approx. 50 W
• Dimensions approx. 439 × 110 × 240 mm
  

⚡ Function in the Electrical System

The filter reduces conducted EMI/RFI electromagnetic interference present on the three-phase mains, improving the electromagnetic compatibility of the equipment. The FN258P series is specifically indicated for inverters and Power Drive Systems, as well as other industrial power conversion and control applications.

🏭 Identification and Connections

The nameplate of the photographed unit clearly shows:
SCHaffner – MADE IN HUNGARY
FN 258P - 130 - 35
3×480/275V / 50-60Hz
130A @ 50°C / 25/100/21
10 24 R
The following are also present:

• CSA, UL and ENEC14 markings
• LINE L1 / L2 / L3 connections
• Three-phase power terminals
• Recommended tightening torque 7.0–8.0 Nm visible on the component.

🛡️ Safety and Product Condition

The filter is used and shows evident signs of use, scratches, and abrasions on the metal housing, consistent with previous installation.
⚠️ 480 VAC / 130 A: power component for industrial installation. Connection must be carried out exclusively by qualified personnel, respecting LINE, phase sequence, PE connection, and the specified tightening torque. The filter's leakage current requires a proper earth connection.

📦 Package Contents

• 1 × Schaffner FN258P-130-35
• Three-phase EMC/RFI filter
• Used component in the condition visible in the photographs.

🚀 Final Description

Schaffner FN258P-130-35 three-phase 130 A EMC/RFI filter, 480/275 VAC, 50–60 Hz, Delta configuration and two-stage filtering, primarily intended for inverters, drives, and industrial power systems. The model is currently listed as obsolete, with replacements from the FN3288 family available on the market.