CRZ8345-1K5W

Overview

The CRZ8345-1K5W is a zero sequence current transformer manufactured by CR Magnetics Inc. It features a through-hole mounting style with PC pin termination. The device operates within a frequency range of 50Hz to 60Hz and has a DC resistance of 55 Ohms. The component utilizes a PCB mount design with an inner diameter of 0.57 inches. It supports a turns ratio of 1:1000:5, where N1 represents the primary conductor and N2 indicates 5 turns.

Feature Summary

• Zero sequence current sensing capability for three-phase systems
• Through-hole installation with PC pin termination
• Non-invasive solid core design for conductor insertion

Applications

• Three-phase power monitoring circuits
• Ground fault detection systems
• Industrial motor protection applications

Procurement Notes

Verify the specific manufacturing date code and lot number upon receipt to ensure compliance with RoHS3 standards. Confirm that the supplier provides valid traceability documentation matching the manufacturer's part identification. Check for physical integrity of the PC pins and housing before integration into the assembly process.

Selection Notes

Select this component when zero sequence current measurement is required in low-frequency AC environments. Ensure the conductor size fits within the 0.57-inch inner diameter specification. Verify that the system impedance requirements align with the 55 Ohm DC resistance value for accurate signal conditioning.

Part Context

This model belongs to the CR Magnetics current sense transformer family designed for precision sensing applications. It complements other series like CR8300 by offering specialized zero sequence functionality. The product maintains standard industrial reliability metrics suitable for continuous operation in electrical distribution networks.

Replacement Considerations

No public confirmed substitute part numbers are available for this specific configuration.