HTC 250-S/SP2

Current Sensors Overview

The LEM HTC 250-S/SP2 is an open-loop Hall effect current transducer designed for high-precision isolation measurement of AC, DC, and pulsed currents. It features a nominal primary current rating of 250 A with a secondary output range of ±15 V. The device provides galvanic separation between the primary circuit and the secondary signal path, ensuring safety and noise immunity. It operates with a bipolar power supply of ±15 V and delivers an instantaneous voltage output of ±10 V. This component is engineered for robust performance in demanding industrial environments.

Current Sensors Feature Summary

• Open-loop Hall effect technology for accurate current sensing
• Galvanic isolation between primary and secondary circuits
• Bipolar power supply compatibility
• Instantaneous voltage output capability

Current Sensors Applications

• Railway traction systems
• Industrial motor drives
• Power electronics monitoring
• Pulsed current measurement

Current Sensors Procurement Notes

Verify the specific suffix SP2 against official LEM documentation to confirm pinout and mounting configuration. Ensure the procurement channel provides original manufacturer certification to guarantee authenticity. Cross-reference the part number with the latest datasheet revisions to avoid obsolete variants. Confirm that the supplier can provide traceability documents required for critical infrastructure applications such as railway systems.

Current Sensors Selection Notes

Select this model when a nominal current of 250 A is required with high linearity and fast response times. The open-loop design offers a cost-effective solution for general industrial isolation needs. Consider the ±15 V supply requirement during system power budgeting. Evaluate the physical dimensions and mounting style against the available space in the target enclosure before finalizing the selection.

Current Sensors Part Context

The HTC series represents LEM's compact current transducers for AC and DC measurements. The HTC 250-S/SP2 belongs to the S/SP2 sub-family, which typically denotes specific packaging or terminal configurations within the broader product line. This series is widely recognized for its reliability in mobility and energy sectors, providing essential feedback signals for control loops.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult LEM directly for cross-reference information regarding newer generations or alternative packages within the HTC family.