CR4150-30

Current Sensors Overview

The CR4150-30 is a True RMS AC current transducer manufactured by CR Magnetics, designed for precise measurement of non-sinusoidal waveforms. It features a dual-element construction with a 0.26-inch window and supports an input range of 0.5 to 30 AAC. The device provides a proportional output signal ranging from 0 V to 5 V and operates on a 24 V power supply. Key specifications include a frequency response of 20 Hz to 5 kHz, an accuracy of ±0.5%, and a response time of 250 ms. It is rated for bidirectional current detection and functions within a temperature range of 0°C to 60°C.

Current Sensors Feature Summary

• True RMS measurement capability ensures high precision for chopped wave and phase-fired control systems.
• Dual-element design accommodates higher current ranges up to 30A with a compact 0.26-inch window.
• Supports flexible mounting options including 35mm DIN rail or panel installation.
• Provides isolated analog output signals compatible with standard industrial control interfaces.

Current Sensors Applications

• Phase fired controlled heaters
• Quickly varying motor loads
• Chopped wave form drivers

Current Sensors Procurement Notes

Verify the specific model suffix against official CR Magnetics documentation to confirm the exact current rating and output configuration. Ensure that the required input window size matches the physical conductor dimensions in the application. Confirm power supply requirements align with the specified 24V DC operation. Check regulatory compliance markings such as UL and CSA certifications if required for the target market.

Current Sensors Selection Notes

Select this component when accurate measurement of distorted AC currents is critical. The True RMS technology distinguishes it from standard transformers in non-linear load environments. Consider the 0.26-inch window constraint for busbar or cable sizing. Evaluate the need for DIN rail versus panel mounting based on enclosure constraints. Verify that the 0-5V output matches the receiving instrument's input range.

Current Sensors Part Context

This part belongs to the CR4100 Series of True RMS Current Transducers and Transmitters. The series is engineered for applications where AC current waveforms are not purely sinusoidal. It offers higher precision than conventional transducers, making it suitable for modern power electronics and variable frequency drive environments.

Current Sensors FAQ

What is the maximum input current range for the CR4150-30?

The CR4150-30 supports an input range of 0.5 to 30 AAC.

Can this transducer be used with external current transformers?

Yes, the CR4100 series can be used with external current transformers, such as a 5 Amp Secondary Current Transformer, to extend measurement ranges.