5RL-251

Current Sense Transformers Overview

The Sifam Tinsley Instrumentation Inc. model 5RL-251 is a non-ANSI rated current transformer designed for industrial electrical monitoring applications. It features a window-type configuration with a turns ratio of 250:5 and a Class 1 accuracy rating. The device supports an input current range compatible with the 250A primary specification and operates within a frequency band of 50Hz to 400Hz. Key technical specifications include a 10 VA burden capacity, a 40 mm internal diameter, and panel mounting capabilities. The unit is equipped with 24-inch leads for connection flexibility.

Current Sense Transformers Feature Summary

• Window-type construction for through-conductor installation
• Class 1 accuracy rating for precise current sensing
• Wide frequency operation from 50Hz to 400Hz
• Integrated 24-inch leads for direct wiring

Current Sense Transformers Applications

• Industrial electrical panel monitoring systems
• Current sensing in variable frequency drive circuits
• Power distribution measurement equipment
• Electrical safety and protection relay inputs

Current Sense Transformers Procurement Notes

Verify that the required accuracy class meets your specific application needs, as this unit is classified as non-ANSI rated. Confirm the physical dimensions, particularly the 40 mm internal diameter, to ensure compatibility with existing busbars or cables. Check that the operating frequency range of 50Hz to 400Hz aligns with your system's power characteristics. Ensure the 24-inch lead length is sufficient for your panel layout requirements before finalizing the order.

Current Sense Transformers Selection Notes

Select this component when a window-type current transformer with Class 1 accuracy is required for frequencies up to 400Hz. It is suitable for applications where ANSI ratings are not mandatory but high precision is needed. Consider the 250:5 ratio and 10 VA burden capacity to ensure compatibility with downstream measuring instruments. Verify that the panel mounting style and lead length meet your installation constraints compared to other available models.

Current Sense Transformers Part Context

This current transformer belongs to the Sifam Tinsley instrumentation portfolio, which provides solutions for industrial electrical monitoring. The company offers a range of analog and digital instruments backed by engineering support. This specific model complements their broader lineup of measurement devices used in power distribution and industrial control environments.

Current Sense Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer catalogs for equivalent window-type transformers with matching 250:5 ratios and Class 1 accuracy if replacement is necessary.