8ARL-401

Current Sense Transformers Overview

The Sifam Tinsley Instrumentation Inc. model 8ARL-401 is a current transformer designed for electrical measurement applications. It features a window-type construction with a through-hole diameter of 63.5 mm, allowing for inline installation without circuit interruption. The device provides a secondary output ratio of 400:5 A and operates within a frequency range of 50 Hz to 400 Hz. Certified as Class 1 accuracy, it supports a maximum burden of 15 VA. The unit utilizes a free suspension mounting method suitable for panel integration.

Current Sense Transformers Feature Summary

• Window-type design enabling non-intrusive current sensing
• Free suspension mounting mechanism for flexible installation
• Compliant with Class 1 accuracy standards

Current Sense Transformers Applications

• Industrial power monitoring systems
• Electrical panel metering circuits
• Current sensing for protection relays

Current Sense Transformers Procurement Notes

Verify the specific accuracy class and burden rating requirements against the application load before procurement. Confirm that the primary conductor fits within the 63.5 mm window aperture. Ensure the operating frequency range of 50 Hz to 400 Hz aligns with the system specifications. Check for any specific certification requirements such as ANSI or non-ANSI ratings depending on regional compliance needs.

Current Sense Transformers Selection Notes

Select this component when a robust, window-type current transformer is required for high-current measurements up to 400 A primary. The 400:5 ratio is standard for interfacing with typical panel meters or relay inputs. Consider the 15 VA burden capacity to ensure compatibility with downstream devices. The wide frequency range supports various industrial power frequencies.

Current Sense Transformers Part Context

This part belongs to the Sifam Tinsley instrumentation portfolio, known for precision electrical measuring components. The company emphasizes reliability and adherence to international standards in its product line. The 8ARL series represents their current transformer offerings, focusing on durable construction and accurate signal transformation for industrial environments.

Current Sense Transformers Replacement Considerations

Cross-reference with other window-type current transformers offering a 400:5 ratio and similar physical dimensions. Verify that substitute models maintain the 63.5 mm aperture size and compatible mounting style. Ensure equivalent accuracy class and burden ratings are met to preserve system performance.