CR45-R

Current Sense Transformers Overview

The CR45-R is a wire-mounted electrical current indicator from the CR45 series by CR Magnetics. It functions as a non-contact, isolated AC current sensor with a frequency range of 50Hz to 1kHz. The device features a maximum continuous primary current rating of 100AAC and an insulation voltage of 3500 vac for one minute. Constructed with black thermoplastic case material and epoxy encapsulation, it measures 0.949 inches in length and 0.461 inches in width. This panel-mount component provides a current output relative to the AC input, suitable for remote monitoring applications.

Current Sense Transformers Feature Summary

• Non-contact, isolated measurement capability for AC loads
• Epoxy encapsulated construction for ruggedness
• Wire-mounted design for easy installation around current-carrying wires

Current Sense Transformers Applications

• Remote monitoring of electrical loads
• Input to electrical control systems
• Detection of open heater elements
• Indication of phase loss

Current Sense Transformers Procurement Notes

Verify the specific model suffix against official CR Magnetics documentation to ensure compatibility with required mounting configurations and electrical ratings. Confirm that the insulation voltage and frequency range meet the operational requirements of the target circuit. Cross-reference datasheet specifications for physical dimensions to validate panel cutout or wire clearance needs before procurement.

Current Sense Transformers Selection Notes

Select this component when non-invasive sensing of alternating current is required without breaking the circuit conductor. Ensure the application involves AC currents within the specified 50Hz to 1kHz range and does not exceed the 100AAC maximum input limit. Consider the epoxy encapsulation and thermoplastic housing for environmental protection in industrial settings where remote load monitoring is necessary.

Current Sense Transformers Part Context

The CR45-R belongs to the CR45 series of wire-mounted current indicators produced by CR Magnetics. This series offers versatile solutions for sensing AC loads using solid core, non-invasive technology. The component integrates directly into electrical systems to provide proportional output signals based on input current, facilitating monitoring and control functions in various industrial and commercial applications.

Current Sense Transformers Replacement Considerations

Consult official manufacturer substitution guides for verified equivalent part numbers. Ensure any replacement maintains identical frequency response, insulation ratings, and physical mounting dimensions to guarantee system compatibility.