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The Sifam Tinsley Instrumentation Inc model 2SHT-401 is a single-phase ANSI current transformer designed for panel or chassis mounting. It features a fixed turns ratio of 400:5 and operates within a frequency range of 50Hz to 400Hz. The device utilizes a solid core, non-invasive design with an aperture diameter of 1.13 inches (approximately 28.7mm). It is classified as Class 1% accuracy and measures 68.83mm in length by 60.96mm in width, with a maximum seated height of 0.940 inches.
Verify the specific aperture size requirement against the conductor diameter to ensure proper fitment. Confirm that the system frequency falls within the 50Hz to 400Hz operational range. Ensure the load connected to the secondary side does not exceed the rated burden for Class 1% accuracy. Check mounting dimensions for compatibility with existing panel or chassis layouts.
Select this component when a 400:5 ratio is required for single-phase applications. Consider the 1.13-inch aperture if larger conductors are present. Evaluate the need for ANSI compliance versus other international standards. Assess whether the physical dimensions suit the available installation space compared to alternative current transformers.
This part belongs to the Sifam Tinsley Instrumentation portfolio, which provides analog and digital measurement solutions for various industrial sectors. The company specializes in precision instruments for power, energy, and manufacturing industries, offering both traditional analog meters and modern digital instrumentation.
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing secondary circuitry before considering alternatives.