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AHR 800 B420 is listed in the Current Sensors range at ChipApex. The manufacturer field lists LEM USA Inc.. Its product description is TRANSDUCER. Review the specifications below when checking this part for your BOM.
Current Sensors specifications for AHR 800 B420
- Description：TRANSDUCER
- Series：AHR
- Mfr：LEM USA Inc.
- Package：Bulk
- For Measuring：AC/DC
- Sensor Type：Hall Effect, Open Loop
- Current - Sensing：800A
- Number of Channels：1
- Output：Voltage
- Sensitivity：-
- Frequency：DC, 20Hz ~ 6kHz
- Linearity：±1%
- Accuracy：±1%
- Voltage - Supply：20V ~ 50V
- Response Time：150ms
- Current - Supply (Max)：30mA
- Operating Temperature：-40°C ~ 70°C
- Grade：-
- Qualification：-
- Polarization：Unidirectional
- Mounting Type：Chassis Mount
- Package / Case：Module, Single Pass Through
- Supplier Device Package：-
Current Sensors datasheet and documents for AHR 800 B420
Current Sensors Overview
The LEM USA Inc. AHR 800 B420 is an open-loop Hall effect current transducer designed for the electronic measurement of DC, AC, and pulsed currents up to 800A. It provides galvanic isolation between the primary circuit and secondary circuit. The device features a module package suitable for through-hole installation. It operates with a supply voltage range of 20V to 50V. The sensor offers unidirectional polarity and single pass-through configuration.
Current Sensors Feature Summary
- Provides galvanic isolation between primary and secondary circuits
- Capable of measuring distorted AC waveforms and pulsed currents
- Utilizes open-loop Hall effect technology for current sensing
Current Sensors Applications
- Industrial motor drives
- Power supply systems
- Welding equipment
Current Sensors Procurement Notes
Verify the specific datasheet version and mechanical dimensions prior to integration. Confirm that the 20V to 50V supply requirement aligns with the system design. Ensure the 800A primary current rating meets the application's peak load requirements without saturation. Check for any recent product change notifications regarding manufacturing updates.
Current Sensors Selection Notes
Select this component when high-current measurement up to 800A is required with galvanic isolation. The open-loop architecture suits applications where cost and simplicity are prioritized over ultra-high precision. Verify that the unidirectional nature fits the current flow direction in the circuit. Consider the module form factor for board space constraints.
Current Sensors Part Context
This part belongs to the LEM AHR series of industrial current transducers. These sensors are engineered for robust performance in demanding environments. The series typically utilizes Hall effect principles to ensure accurate measurement across various current types including DC and AC.
Current Sensors Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation.
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