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CR4420S-40 is listed in the Current Sensors range at ChipApex. The manufacturer field lists CR Magnetics Inc.. Its product description is SENSOR CURRENT XFMR 40A AC. Review the specifications below when checking this part for your BOM.
Current Sensors specifications for CR4420S-40
- Description：SENSOR CURRENT XFMR 40A AC
- Series：CR4400
- Mfr：CR Magnetics Inc.
- Package：Bulk
- For Measuring：AC
- Sensor Type：Transformer w/Conditioning
- Current - Sensing：40A
- Number of Channels：1
- Output：Ratiometric, 4mA ~ 20mA
- Sensitivity：-
- Frequency：50Hz ~ 400Hz
- Linearity：-
- Accuracy：±0.5%
- Voltage - Supply：24V
- Response Time：250ms
- Current - Supply (Max)：45mA
- Operating Temperature：0°C ~ 60°C
- Grade：-
- Qualification：-
- Polarization：Bidirectional
- Mounting Type：DIN Rail, Panel
- Package / Case：Module
- Supplier Device Package：-
Current Sensors datasheet and documents for CR4420S-40
Current Sensors Overview
The CR4420S-40 is a split-core AC current transducer from the CR4400 series, designed to provide a calibrated DC output proportional to the AC current input. It features a 40A detection range and supports bidirectional measurement. The device offers ratio or 4mA to 20mA outputs with ±0.5% accuracy. It operates on 24V supply voltage with a maximum current draw of 45mA. The sensor functions within a frequency range of 50Hz to 400Hz and has a response time of 250ms. It is suitable for installation on DIN rails or panels.
Current Sensors Feature Summary
- Split-core design facilitates easy installation around existing conductors without circuit interruption
- Provides calibrated DC output proportional to AC current input for precise monitoring
- Bidirectional sensing capability allows measurement of current flow in both directions
Current Sensors Applications
- Industrial power distribution monitoring systems
- AC motor control and protection circuits
- Energy management and metering equipment
- Building automation and HVAC control systems
Current Sensors Procurement Notes
Verify that the specific part number matches the required current rating and output signal type. Confirm compatibility with existing DIN rail mounting infrastructure. Ensure environmental conditions fall within the specified operating temperature range. Check for RoHS compliance requirements if applicable to your project specifications.
Current Sensors Selection Notes
Choose this model when a split-core solution is required for retrofitting or non-invasive current monitoring. Select based on the 40A primary current requirement and the need for bidirectional measurement capabilities. Consider the available output options, such as 4-20mA, for integration with standard industrial control systems. Verify frequency range compatibility with the application's AC source.
Current Sensors Part Context
This component belongs to the CR4420S Series of Average RMS AC Current Transducers manufactured by CR Magnetics Inc. The series is engineered to deliver accurate DC outputs corresponding to AC inputs. It is part of a broader line of sensors and transducers provided by the manufacturer for various industrial applications.
Current Sensors Replacement Considerations
The CR4420S-20 serves as a lower current alternative within the same series. For higher current requirements, the CR4420S-75 is available. Cross-reference with the CR4110-40 for similar specifications but different series characteristics.
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