ESP-03-331

Power Line Filter Modules Overview

The ESP-03-331 is a single-phase EMI/EMC power line filter manufactured by Cosel USA, Inc. It features a rated voltage of 250 VAC and 250 VDC with a current rating of 3 A. The unit utilizes chassis mount installation with screw termination. Key electrical specifications include a leakage current of 37.5 uA and a capacitance of 330 pF. The component belongs to the ES series and holds UL, CSA, DIN, and ENEC compliance certifications.

Power Line Filter Modules Feature Summary

• Provides common mode noise filtering for single-phase power lines
• Supports secure chassis mounting via screw terminals
• Certified for international safety standards including UL, CSA, DIN, and ENEC

Power Line Filter Modules Applications

• Industrial equipment power conditioning
• Medical device input stages
• Information Technology Equipment (ITE) power supplies

Power Line Filter Modules Procurement Notes

Verify the specific suffix designation when ordering, as variants such as -D indicate different mounting styles like DIN rail compared to the standard chassis mount configuration. Confirm that the required certification marks align with the target market regulations before finalizing procurement. Ensure the selected variant matches the physical installation constraints of the enclosure design.

Power Line Filter Modules Selection Notes

Select this model for applications requiring low leakage current and certified safety compliance in a compact form factor. The 3 A rating suits moderate power loads where space is limited. Verify that the chassis mounting style fits the available panel space, as alternative versions exist for DIN rail integration if panel drilling is not feasible.

Power Line Filter Modules Part Context

This component is part of the ES series from Cosel USA, Inc., designed for efficient electromagnetic interference suppression. The series offers various current ratings and mounting options to accommodate diverse industrial and commercial power supply requirements while maintaining strict adherence to global safety and emissions standards.

Power Line Filter Modules Replacement Considerations

The ESP-03-331-D serves as a functional substitute within the same series but utilizes DIN rail mounting instead of chassis mounting. Verify mechanical fitment and terminal compatibility when swapping between these variants to ensure proper installation.