19RL 401

Overview

The Sifam Tinsley Instrumentation Inc 19RL 401 is a solid core AC current transformer designed for non-invasive current sensing applications. It features a primary current rating of 400 A and a secondary output of 5 A, with a turns ratio of 400:5. The device operates within a frequency range of 50 Hz to 400 Hz and provides an accuracy of ±1%. It includes two 24-inch 16 AWG lead wires for connection and utilizes a panel mounting configuration.

Feature Summary

• Solid core design for non-invasive current measurement
• High accuracy rating of ±1% for reliable data
• Integrated 24-inch 16 AWG lead wires for direct installation

Applications

• Industrial power monitoring systems
• Electrical distribution panel integration
• Current sensing in automation equipment

Procurement Notes

Verify the specific part number suffix against manufacturer documentation to confirm lead wire length and mounting style compatibility. Ensure the operating frequency range aligns with the target application's electrical requirements. Confirm that the primary current rating matches the circuit load to prevent saturation or measurement errors during procurement validation.

Selection Notes

Select this component when a robust, high-accuracy solution for measuring alternating currents up to 400 A is required. The solid core construction eliminates the need for circuit interruption during installation. Consider the physical dimensions of the sensing window and the provided lead wire lengths to ensure fitment within the designated enclosure or panel space.

Part Context

This model belongs to the broader category of AC current transformers manufactured by Sifam Tinsley Instrumentation Inc. These devices are engineered for industrial environments where precise current monitoring is critical. The brand specializes in instrumentation solutions for power, energy, and manufacturing sectors, providing both analog and digital metering support through compatible sensors.

Replacement Considerations

Publicly confirmed substitute part numbers for the 19RL 401 are not available in the provided reference data. When evaluating alternatives, ensure the replacement maintains the 400:5 turns ratio, ±1% accuracy class, and compatible frequency range of 50–400 Hz to preserve system performance integrity.