3-121-378

Overview

The Schurter 3-121-378 is an AC power line filter module designed for mains input protection. It features a C14 connector interface and supports a rated current of 15A at 250V AC. The unit utilizes screw terminals for secure electrical connections and quick-connect mounting options for chassis integration. This component provides electromagnetic interference suppression to ensure compliance with regulatory standards in electronic equipment power supplies.

Feature Summary

• Integrates EMI filtering capabilities within a compact power entry module form factor
• Equipped with a standard IEC C14 inlet for compatible cordset attachment
• Utilizes screw terminal technology for robust and reliable circuit termination

Applications

• Industrial control systems requiring filtered AC power inputs
• Medical equipment power supply units demanding noise reduction
• Test and measurement instruments needing clean signal environments

Procurement Notes

Verify the specific voltage and current ratings against your system requirements before ordering. Confirm that the C14 connector type matches your existing cable assemblies. Ensure the screw terminal configuration aligns with your panel layout constraints. Cross-reference the datasheet for precise dimensional tolerances to guarantee proper enclosure fitment during installation.

Selection Notes

Select this model when both EMI suppression and direct mains connection are required in a single component. Consider the physical dimensions and mounting style relative to available space in the target enclosure. Evaluate the thermal performance characteristics if the device will operate in enclosed or high-ambient temperature environments. Compare alternative filters based on specific attenuation requirements and certification needs.

Part Context

This component belongs to Schurter's AC power entry module series, specifically the 5124 connector filter line. These modules are engineered to provide essential power conditioning and safety isolation for various electronic applications. The series emphasizes reliability and adherence to international safety standards for mains-connected devices.

Replacement Considerations

Public confirmed substitute part numbers only; omit otherwise.