7SHT-151

Current Sense Transformers Overview

The Sifam Tinsley Instrumentation Inc. 7SHT-151 is a single-phase current sense transformer designed for panel or chassis mounting. It features an ANSI standard configuration with a 150:5 A ratio and a 2.5-inch inner diameter aperture. The unit operates within a frequency range of 50Hz to 400Hz and provides a 5VA output rating. Certified for indoor use, it supports a 10 kV basic impulse insulation level (BIL) at 60Hz. The device measures 4.85 inches in height and utilizes terminal connections for secure integration into electrical metering systems.

Current Sense Transformers Feature Summary

• ANSI standard single-phase current sensing design
• Wide frequency operational capability from 50Hz to 400Hz
• High voltage insulation support with 10 kV BIL rating
• Terminal connection method for secure installation

Current Sense Transformers Applications

• Indoor electrical metering systems
• Single-phase circuit monitoring
• Industrial control panel instrumentation
• Current transformation for measurement devices

Current Sense Transformers Procurement Notes

Verify the specific manufacturer origin, as this component has been produced by GE ITI and Crompton Instruments under similar part numbers. Confirm that the 150:5 ratio and 2.5-inch aperture match the required system specifications. Ensure the application environment remains indoors to comply with the design limitations. Check for terminal connection compatibility before finalizing the order.

Current Sense Transformers Selection Notes

Select this model when a single-phase current transformer with a 150:5 ratio is required for indoor applications. The 2.5-inch aperture accommodates conductors of corresponding size. Consider the 50Hz to 400Hz frequency range to ensure compatibility with the power source. Verify that the 10 kV BIL rating meets the insulation requirements of the installation site.

Current Sense Transformers Part Context

The 7SHT-151 belongs to the broader category of instrument transformers used for stepping down high currents for safe measurement. Historically associated with GE ITI and Crompton Instruments, it serves as a critical interface between high-current circuits and low-current measuring instruments. The component ensures accurate data transmission for monitoring and protection schemes in electrical networks.

Current Sense Transformers Replacement Considerations

Cross-reference with CI-7SHT151 from TE Connectivity/Crompton Instruments. Verify identical 150:5 ratio, 2.5-inch aperture, and 5VA rating. Confirm ANSI compliance and indoor usage constraints.