HMS 20-P

Current Sensors Overview

The HMS 20-P is a Hall effect-based current sensor module manufactured by LEM USA Inc. It features an open-loop bidirectional design intended for the electrical measurement of DC, AC, and pulsed currents. The device provides galvanic isolation between the primary high-power circuit and the secondary control circuitry. This specific model supports a nominal current rating of 20 Amperes across a single channel.

Current Sensors Feature Summary

• Utilizes Hall effect technology for accurate current sensing
• Provides galvanic isolation between primary and secondary circuits
• Supports bidirectional current flow measurement

Current Sensors Applications

• Industrial motor drive monitoring
• Power supply output current regulation
• Battery management systems

Current Sensors Procurement Notes

This component is officially listed as no longer manufactured by LEM USA Inc. Procurement efforts should focus on verifying the authenticity of remaining stock from authorized distributors or exploring approved replacement models within the manufacturer's current portfolio to ensure long-term supply chain stability.

Current Sensors Selection Notes

Engineers selecting this part must account for its end-of-life status. Design reviews should prioritize alternative sensors that offer similar 20A capacity and open-loop architecture while ensuring availability through active manufacturing channels to prevent obsolescence risks in production environments.

Current Sensors Part Context

The HMS 20-P belongs to LEM's range of electronic components designed for precise current measurement solutions. As part of the company's historical product line, it represents standard industrial-grade sensing technology before being superseded by newer series such as the HMSR family which offers integrated improvements.

Current Sensors Replacement Considerations

Users should consult official LEM documentation for direct substitute part numbers. The HMSR series is identified as a modern alternative offering integrated current sensing capabilities suitable for space-constrained applications.