AT 5 B420L

$76.64

Description：SENSOR CURRENT XFMR 5A AC
Series：AT
Mfr：LEM USA Inc.
Package：Bulk

SKU:689e0c9bc002 Category: Current Sensors Brand: LEM USA Inc.

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Product introduction

AT 5 B420L is listed in the Current Sensors range at ChipApex. The manufacturer field lists LEM USA Inc.. Its product description is SENSOR CURRENT XFMR 5A AC. Review the specifications below when checking this part for your BOM.

Current Sensors specifications for AT 5 B420L

Description：SENSOR CURRENT XFMR 5A AC
Series：AT
Mfr：LEM USA Inc.
Package：Bulk
For Measuring：AC
Sensor Type：Transformer w/Conditioning
Current - Sensing：5A
Number of Channels：1
Output：Ratiometric, 4mA ~ 20mA
Sensitivity：-
Frequency：50/60Hz
Linearity：±0.5%
Accuracy：±1.5%
Voltage - Supply：20V ~ 30V
Response Time：100ms
Current - Supply (Max)：30mA
Operating Temperature：-20°C ~ 60°C
Grade：-
Qualification：-
Polarization：Bidirectional
Mounting Type：Chassis Mount
Package / Case：Module
Supplier Device Package：-

Current Sensors datasheet and documents for AT 5 B420L

AT 5 B420L

Current Sensors Overview

The LEM AT 5 B420L is a split-core current transformer designed for AC current measurement. It features a primary current rating of 5A and provides a 4-20mA output signal with a turns ratio of 5:1. The device operates within a frequency range of 50/60Hz and includes conditioning circuitry for bidirectional measurement. Key electrical specifications include an accuracy of ±1.5% and a response time of 100ms. The sensor utilizes polarization for accurate signal directionality and is constructed as a transformer with integrated conditioning.

Current Sensors Feature Summary

Split-core design facilitates installation without disconnecting conductors
Integrated conditioning circuitry supports bidirectional AC current measurement
Standardized 4-20mA output signal compatible with industrial control systems

Current Sensors Applications

Industrial process monitoring
Power distribution systems
Motor control applications

Current Sensors Procurement Notes

Verify the specific part number AT 5 B420L against manufacturer datasheets to confirm compatibility with existing system requirements. Ensure that the 4-20mA output configuration matches the input specifications of the receiving instrumentation. Check for any required accessories such as mounting hardware or calibration certificates. Confirm that the operating temperature range and environmental conditions align with the intended application environment to ensure reliable performance.

Current Sensors Selection Notes

Select this component when precise AC current measurement is required in industrial settings. The split-core architecture allows for retrofitting into existing installations without power interruption. Consider the ±1.5% accuracy and 100ms response time for applications requiring moderate speed and precision. The 4-20mA output simplifies integration with PLCs and data acquisition systems. Evaluate space constraints as the compact form factor suits panel-mounted or DIN-rail installations.

Current Sensors Part Context

The AT series from LEM represents a line of cost-effective split-core transducers. These devices are engineered for measuring AC currents ranging from 5 to 150A RMS. The AT 5 B420L specifically targets the 5A primary current range, offering a balance between size and functionality. This series is widely used in automation and energy management due to its reliability and ease of integration.