CSNS300M

Current Sensors Overview

The Honeywell CSNS300M is a closed-loop Hall effect current sensor rated for 300A primary current. It features a single channel with bidirectional measurement capability for AC, DC, and pulse currents. The device offers an accuracy of ±0.5% and a linearity of ±0.1%. Operating on a supply voltage range of 12V to 18V, it draws a maximum supply current of 160mA. The sensor provides a ratiometric current output with a response time of 500ns. It supports frequencies up to 150kHz and functions within a temperature range of -40°C to +85°C.

Current Sensors Feature Summary

• Closed-loop magnetic compensation technology ensures high precision and wide bandwidth performance.
• Complete electrical isolation between primary and secondary circuits for enhanced safety.
• Ratiometric current output simplifies interface requirements with downstream signal conditioning.

Current Sensors Applications

• Motor drive and control systems
• Battery management systems in electrified vehicles
• Industrial power supply monitoring

Current Sensors Procurement Notes

Verify the specific suffix designation (e.g., -500, -001) against official datasheets to confirm pinout and mechanical compatibility. Confirm component availability status as some variants may be obsolete. Ensure the selected part number matches the required current rating and output type for the target application design.

Current Sensors Selection Notes

Select this model for applications requiring high-precision measurement of combined AC/DC currents. Verify that the system operating temperature remains within the specified -40°C to +85°C range. Ensure the primary conductor diameter fits within the 26mm aperture constraint. Check supply voltage stability to maintain accuracy within the ±0.5% specification.

Current Sensors Part Context

The CSNS300M belongs to the Honeywell CSN series of industrial current sensors. This family utilizes advanced multi-sensing schemes and magnetic compensation principles. The series is designed for robust performance in demanding environments, providing reliable current feedback for critical power electronics and automotive applications.

Current Sensors Replacement Considerations

Consult official substitution lists for direct replacements. Generic equivalents may not match the closed-loop topology or 150kHz bandwidth. Verify mechanical mounting dimensions and pin assignments before integrating alternative components into existing designs.