CR45-B

Current Sense Transformers Overview

The CR45-B is a wire-mounted electrical current indicator manufactured by CR Magnetics Inc. It features a blue LED and is designed for non-invasive solid core applications with a frequency range of 50Hz to 1kHz. The device has a full-on point rating of 2.0 AAC and includes a 0.31-inch inner diameter. Physical dimensions are approximately 0.949 inches in length, 0.461 inches in width, and 1.039 inches in height.

Current Sense Transformers Feature Summary

• Non-invasive solid core design for open heater or winding monitoring
• Visual indication via integrated blue LED
• Panel mount configuration for secure installation

Current Sense Transformers Applications

• Open heater circuit monitoring
• Open winding detection in motors
• High-power motor control cabinet installations

Current Sense Transformers Procurement Notes

Verify the specific suffix B against official CR Magnetics documentation to confirm the blue LED variant and 2.0 AAC rating. Ensure the 0.31-inch ID matches the target conductor size. Confirm panel mount compatibility with existing enclosure specifications before procurement.

Current Sense Transformers Selection Notes

Select this model for applications requiring visual confirmation of current flow in solid core conductors within the 50Hz to 1kHz range. The 2.0 AAC full-on point suits moderate current monitoring needs. Ensure the physical dimensions fit the designated panel space and the mounting type aligns with system requirements.

Current Sense Transformers Part Context

The CR45-B belongs to the CR45 series of current ring indicators released by CR Magnetics. This series provides complete line solutions for current sensing and indication. The component serves as a specialized tool for maintaining operational visibility in electrical systems without breaking the circuit continuity.

Current Sense Transformers Replacement Considerations

Cross-reference part numbers such as CR45-G or CR45-Y from the same manufacturer family. Verify that substitute models match the required LED color, current rating, and mounting style before implementation.