ARU-B100-D250/SP3

Current Sensors Overview

The ARU-B100-D250/SP3 is a unidirectional Rogowski coil current sensor manufactured by LEM USA Inc. It features a single channel with a primary current rating of 1000A. The device provides a voltage output with a sensitivity of 0.1mV/A and an accuracy of ±0.5%. It operates within a frequency range up to 519kHz and supports AC measurements. The module is designed for base mounting and functions reliably across a temperature range of -40°C to 80°C.

Current Sensors Feature Summary

• Utilizes Rogowski coil technology for non-intrusive current measurement
• Provides high-frequency response suitable for dynamic signal analysis
• Delivers precise voltage output proportional to measured current

Current Sensors Applications

• Smart grid electronic measurement systems
• Outdoor current monitoring applications
• Industrial power quality analysis

Current Sensors Procurement Notes

Verify the specific suffix /SP3 against official LEM documentation to confirm packaging and handling specifications. Ensure the required lead time aligns with project schedules, as standard delivery periods may vary. Confirm that the unidirectional characteristic matches the circuit requirements before finalizing procurement orders.

Current Sensors Selection Notes

Select this component when measuring high-amplitude AC currents up to 1000A with minimal circuit intrusion. The wide bandwidth supports applications requiring detailed harmonic or transient data. Ensure the installation environment accommodates the specified operating temperature range and base mounting configuration.

Current Sensors Part Context

This part belongs to the ARU series, which includes outdoor Rogowski coils designed for electronic measurement in smart grid sensors. The series focuses on providing robust solutions for industrial and utility-scale current monitoring applications where high accuracy and wide bandwidth are critical.

Current Sensors Replacement Considerations

Consult official LEM substitution guides for compatible alternatives. Verify that any replacement maintains the 1000A rating, 0.1mV/A sensitivity, and unidirectional functionality to ensure system compatibility.