3F7 L

Overview

The Astrodyne TDI 3F7 L is a high-performance, two-stage EMI/EMC power line filter designed for three-phase delta configurations. It supports a rated current of 7.5 A and operates at 250 VAC across 50 Hz and 60 Hz frequencies. The unit utilizes quick connect terminals for circuit integration and features a low-profile chassis mount design. This component provides effective noise suppression in demanding electrical environments while maintaining compliance with international safety standards.

Feature Summary

• Two-stage filtering architecture for enhanced electromagnetic interference suppression
• Low-profile physical design optimized for space-constrained installations
• Quick connect terminal interface for simplified wiring and assembly

Applications

• Industrial control systems requiring three-phase power conditioning
• Medical equipment sensitive to electromagnetic noise
• Telecommunications infrastructure power supplies

Procurement Notes

Verify the specific voltage rating and current capacity against your system requirements before ordering. Confirm that the quick connect terminal type matches your existing wiring harnesses. Ensure the chassis mount dimensions fit within your designated enclosure space. Check for any required certification markings relevant to your region's regulatory environment.

Selection Notes

Select this model when a compact, two-stage solution is needed for three-phase delta applications. It is suitable for environments where low leakage current and high attenuation are prioritized. Consider the quick connect termination if rapid installation is required. Evaluate the low-profile form factor against available mounting space constraints.

Part Context

This component belongs to the 3F series of power line filters from Astrodyne TDI. The series focuses on providing reliable EMI/EMC protection for various industrial and commercial applications. The 3F7 L specifically addresses the need for efficient noise filtering in three-phase systems without compromising on physical footprint or connection ease.

Replacement Considerations

Public confirmed substitute part numbers: None identified.