7SFT-301

Current Sense Transformers Overview

The Sifam Tinsley Instrumentation Inc. model 7SFT-301 is a single-phase current sense transformer designed for panel mounting applications. It features a solid core construction with a window diameter of 2.5 inches and operates within a frequency range of 50 Hz to 400 Hz. The unit provides a turns ratio of 300:5, supporting a secondary current output of 5A against a primary input rating of 300A. Rated for up to 600V, it includes terminal stud termination using 8-32 brass studs. The device meets UL standards and carries CSA and UR certifications, ensuring compliance for indoor electrical metering environments.

Current Sense Transformers Feature Summary

• Solid core design for reliable current sensing
• Terminal stud termination for secure installation
• Panel mount configuration for space efficiency

Current Sense Transformers Applications

• Indoor electrical metering systems
• Power system monitoring
• Industrial control panels

Current Sense Transformers Procurement Notes

Verify the specific voltage rating and insulation class requirements against your system's operational limits before procurement. Confirm that the terminal stud size matches your existing mounting hardware. Ensure the frequency range aligns with your power source specifications. Cross-reference certification marks such as UL or CSA with local regulatory requirements for your installation site to ensure full compliance.

Current Sense Transformers Selection Notes

Select this component when a 300:5 ratio is required for high-current measurement in indoor settings. Consider the 2.5-inch window diameter to ensure adequate clearance for busbars or cables. Evaluate the 50-400Hz frequency range compatibility with your grid or generator sources. Assess the panel mount footprint against available enclosure space. Verify that the 600V rating suffices for your circuit's maximum operating voltage.

Current Sense Transformers Part Context

This instrument transformer belongs to the Omega 30D series, which focuses on robust current sensing solutions. The 7SFT-301 variant specifically addresses applications requiring precise step-down conversion for metering instruments. Its design emphasizes durability and standard interface compatibility, fitting into traditional industrial control architectures where reliable analog signal generation is critical for accurate data acquisition.

Current Sense Transformers Replacement Considerations

Public confirmed substitute part numbers are not available.