HAC 629-S/SP44

Current Sensors Overview

The HAC 629-S/SP44 is an open-loop current transducer from LEM's HAC series, designed for industrial applications. It measures AC and DC currents within a nominal range of 629 A RMS. The device features galvanic isolation between the primary circuit and secondary output. It utilizes a Hall effect principle for accurate current sensing. The sensor is engineered for compact integration into power systems requiring reliable current monitoring.

Current Sensors Feature Summary

• Open-loop Hall effect technology for precise current measurement
• Galvanic isolation ensuring system safety and noise immunity
• Compact design suitable for space-constrained industrial environments

Current Sensors Applications

• Industrial motor drives
• Power supply units
• Inverter systems

Current Sensors Procurement Notes

Verify the specific suffix SP44 against official LEM documentation to confirm pinout and connector compatibility. Ensure the part number matches the required nominal current rating of 629 A. Request original manufacturer certificates or authorized distributor declarations to guarantee authenticity. Confirm that the package type aligns with your mechanical assembly requirements before finalizing procurement orders.

Current Sensors Selection Notes

Select this component when high accuracy in both AC and DC current measurement is required for industrial loads. The open-loop architecture offers a balance between cost and performance for standard applications. Consider the physical aperture size and mounting constraints during the design phase. Verify thermal management capabilities if operating near maximum temperature limits.

Current Sensors Part Context

This model belongs to the HAC series, which comprises compact current sensors for industrial use. The series covers nominal currents from 200 A to 800 A. These transducers are optimized for robustness and reliability in demanding electrical environments. The HAC series represents LEM's solution for general-purpose current monitoring in heavy industry.

Current Sensors Replacement Considerations

Consult LEM's official cross-reference guides for direct replacements. Verify that alternative models maintain identical nominal current ratings and isolation voltages. Ensure mechanical dimensions and pin configurations match existing PCB layouts or wiring harnesses before substitution.