CR4450-25

Current Sensors Overview

The CR4450-25 is a two-element current transducer designed for AC measurement applications. It features a 25A input range with a proportional DC output signal of 0 V to 5 V. The device operates within a frequency range of 50Hz to 400kHz and maintains an accuracy of ±0.5%. It requires a 24V power supply with a maximum current consumption of 75mA. The unit supports bidirectional polarization and offers a response time of 250ms. Operating temperatures range from 0°C to 60°C. Installation options include DIN rail or panel mounting, housed in a module package.

Current Sensors Feature Summary

• Provides a DC output signal proportional to the average RMS input AC current
• Designed for multi-point current sensing and control panels
• Features low cost DIN rail or panel mount construction
• Interfaces with most commercially available instrumentation

Current Sensors Applications

• Multi-point current sensing
• Control panels
• Motor fault monitoring
• Heating element monitoring
• Lighting element monitoring

Current Sensors Procurement Notes

Verify the specific model suffix against official CR Magnetics documentation to confirm the exact input range and output configuration. Ensure the procurement specification matches the required 24V power supply and 0-5V output parameters. Confirm that the installation environment falls within the specified 0°C to 60°C operating temperature range. Check for compliance with UL 61010B-1 and IEC 61010-1 standards if regulatory recognition is required for the application.

Current Sensors Selection Notes

Select this component when a proportional DC output corresponding to AC RMS current is required for multi-point sensing. The two-element design allows for higher current ranges compared to single-element variants. Consider the 50Hz to 400kHz frequency range to ensure compatibility with the target signal source. Verify that the 25A input range aligns with the maximum expected load current. The module form factor facilitates standard DIN rail or panel integration.

Current Sensors Part Context

The CR4450 series consists of current transducers and transmitters that produce a DC output signal proportional to the average RMS input AC current. These devices are engineered for multi-point current sensing applications, offering high accuracy and value. The series includes single-element and two-element configurations with varying input ranges. The CR4450-25 specifically utilizes a two-element design with a .26-inch window, supporting input ranges up to 30AAC.

Current Sensors Replacement Considerations

CR4450-20 and CR4450-30 are part of the same series with different input ranges. CR4410 and CR4411 are single-element variants with smaller windows. Split-core versions are available by appending 'S' to the prefix. Secondary current transformers can extend ranges for all CR Magnetics current transducers.