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ARU-B100-D175/SP3 is listed in the Current Sensors range at ChipApex. The manufacturer field lists LEM USA Inc.. Its product description is SENSOR. Review the specifications below when checking this part for your BOM.
The ARU-B100-D175/SP3 is a Rogowski coil current sensor from the LEM ARU series, designed for outdoor industrial applications. It features a flexible clip-around design enabling installation around primary conductors without disconnection. The device provides galvanic separation between the primary circuit and secondary output. It measures alternating current with a detection range of 1000A and offers a single channel voltage output. The sensor operates within a temperature range of -40°C to 80°C and supports frequencies up to 519kHz. Sensitivity is specified at 0.1mV/A with an accuracy of ±0.5%. The module utilizes base mounting for secure positioning.
Verify the specific suffix SP3 against official LEM documentation to confirm mechanical dimensions and connector type compatibility. Ensure the selected variant matches the required operating temperature range and frequency bandwidth for the target application. Cross-reference the part number with the latest datasheet revision to confirm availability status and any potential obsolescence notices prior to finalizing procurement orders.
Select this component when measuring high AC currents up to 1000A in outdoor environments where conductor disconnection is impractical. The flexible Rogowski design suits irregularly shaped busbars. Consider the 519kHz frequency response and ±0.5% accuracy for precise energy metering. Verify that the 0.1mV/A sensitivity aligns with the input requirements of the downstream signal conditioning or data acquisition hardware.
This sensor belongs to the LEM ARU series, which specializes in outdoor flexible Rogowski coils for electronic AC current measurement. The series emphasizes galvanic separation and durability for external deployment. The ARU-B100-D175/SP3 variant specifically addresses high-current applications with a 1000A rating, distinguishing it from lower-range indoor models within the broader product family.
Consult official LEM documentation for confirmed substitute part numbers. No public substitutes are identified in the provided source material.
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