ESC-03-332

Power Line Filter Modules Overview

The Cosel ESC-03-332 is a single-phase EMI/EMC power line filter designed for chassis or DIN rail mounting. It features a common mode configuration with a rated current of 3 A and voltage ratings of 250 VAC and 250 VDC. The unit utilizes screw terminals for connection and includes integrated capacitors of 3.3 nF. Key electrical specifications include a leakage current of 380 uA and an operating frequency range from 150 kHz to 1 MHz. The component weighs approximately 170 g and operates within a temperature range of -40°C to 85°C.

Power Line Filter Modules Feature Summary

• Provides common mode noise filtering for single-phase AC and DC power lines
• Supports flexible installation via chassis mount or DIN rail configurations
• Utilizes screw terminal connections for secure wiring
• Designed for general purpose electromagnetic compatibility applications

Power Line Filter Modules Applications

• General purpose electronic equipment power input stages
• Industrial control systems requiring EMI suppression
• Medical device power supplies adhering to EMC standards
• Information technology equipment (ITE) power conditioning

Power Line Filter Modules Procurement Notes

Verify the specific suffix designation, such as -D for DIN rail or standard chassis mount variants, against the required mechanical interface. Confirm compliance with regional safety certifications like UL or CE if mandated by the end application. Ensure the 3 A current rating aligns with the system's maximum load requirements to prevent thermal overload during continuous operation.

Power Line Filter Modules Selection Notes

Select this model when a compact, single-stage solution is needed for low-current applications up to 3 A. Consider the physical mounting constraints, as the unit supports both chassis and DIN rail options depending on the specific suffix. Evaluate the 380 uA leakage current against sensitive medical or precision instrumentation requirements to ensure it meets safety isolation limits for the intended deployment environment.

Power Line Filter Modules Part Context

This component belongs to the Cosel EA series of power line filters, which are engineered for robust noise suppression in compact form factors. The series typically offers various current ratings and capacitance values to suit different power levels. The ESC-03-332 specifically addresses the needs of applications requiring reliable common mode attenuation without excessive bulk, fitting into the broader portfolio of Cosel's power condition products.

Power Line Filter Modules Replacement Considerations

Direct substitutes may include the EAC-03-332 or EAP-03-332 models, which share identical electrical specifications including 3 A rating, 250 VAC/VDC, and 3.3 nF capacitance. Verify that the mechanical mounting style matches the existing design, as these alternatives may differ in chassis versus DIN rail compatibility.