AHR 2000 B5

Current Sensors Overview

The AHR 2000 B5 is a Hall effect, open-loop, unidirectional current transducer manufactured by LEM USA Inc. It features a single channel with a primary current range of 500 to 2000 A AC/DC. The device utilizes a split-core design for single pass-through installation. It operates on a supply voltage ranging from 20VDC to 50VDC and provides an analogue output signal proportional to the measured current.

Current Sensors Feature Summary

• Open-loop Hall effect technology for electrical isolation
• Split-core construction enabling non-intrusive installation
• Unidirectional measurement capability for high-current applications

Current Sensors Applications

• Industrial power distribution monitoring
• Electric drive systems current sensing
• Welding equipment control loops

Current Sensors Procurement Notes

Verify the specific part number suffix against the manufacturer's latest documentation to confirm mechanical dimensions and pinout compatibility. Ensure the supply voltage range aligns with system requirements. Confirm that the unidirectional nature of the sensor matches the application's current flow direction. Request the official datasheet for precise thermal and mounting specifications before finalizing procurement.

Current Sensors Selection Notes

Select this component when measuring high-amplitude DC or AC currents in industrial environments requiring galvanic isolation. The split-core design facilitates retrofitting into existing busbars without disconnecting conductors. Consider the wide supply voltage range for flexibility in various power architectures. Evaluate the open-loop topology for cost-sensitive applications where extreme precision is not critical compared to closed-loop alternatives.

Current Sensors Part Context

The AHR series represents LEM's high-current transducer line designed for robust industrial performance. The AHR 2000 B5 specifically targets the upper end of this range, handling up to 2000 A. It belongs to the family of split-core sensors that prioritize ease of installation and durability in harsh electrical environments typical of heavy machinery and power electronics.

Current Sensors Replacement Considerations

Consult LEM official substitution guides for direct replacements. Verify that alternative models maintain the same 2000 A rating and split-core form factor. Check interface compatibility and supply voltage requirements to ensure seamless integration without circuit redesign.