8SHT-151

Current Sense Transformers Overview

The Instrument Transformer 8SHT-151 is a single-phase indoor current transformer belonging to the Model 8 series. It features a fixed ratio of 150:5 A and operates at 60 Hz. The unit provides a basic impulse withstand voltage (BIL) rating of 10 kV. Designed for metering applications, it utilizes a window-type construction with a 3.25-inch aperture. The physical dimensions include a width of 5.73 inches, and the approximate weight is 2.5 lbs.

Current Sense Transformers Feature Summary

• Single-phase indoor current transformer design
• Fixed 150:5 A transformation ratio
• Window-type construction for busbar or cable passage
• 10 kV basic impulse withstand voltage capability

Current Sense Transformers Applications

• Electric metering circuits
• Relay protection systems
• Indoor power distribution monitoring

Current Sense Transformers Procurement Notes

Verify the specific model suffix against official manufacturer documentation to ensure compatibility with required accuracy classes and burden ratings. Confirm that the 150:5 A ratio aligns with the primary circuit load requirements. Check for any ordering suffixes that may indicate specialized insulation levels or mounting configurations distinct from the standard base part number.

Current Sense Transformers Selection Notes

Select this component when a fixed 150:5 A ratio is required for indoor single-phase metering or protection. Ensure the primary conductor fits within the 3.25-inch window opening. Verify that the 10 kV BIL rating meets the system's insulation coordination requirements. Consider the physical footprint and weight constraints for panel installation compared to alternative models in the same series.

Current Sense Transformers Part Context

This current transformer belongs to the Model 8 series, which includes various ratios such as 8SHT-152-1 and 8SHT-201. These units are generally classified as instrument transformers used in combination with electric meters and measuring devices. The series shares common physical characteristics like the 3.25-inch window size and similar dimensional profiles across different ratio variants.

Current Sense Transformers Replacement Considerations

Direct substitutes within the same series include models with identical window sizes but different ratios, such as 8SHT-152-1 or 8SHT-201. Cross-brand replacements require matching the 150:5 A ratio, 10 kV BIL, and indoor application constraints. Verify mechanical fit and electrical accuracy class before substitution.