ELCT5-88

Overview

The Littelfuse ELCT5-88 is a sensitive current transformer from the ELCT series, designed for integration with Littelfuse relays to detect low levels of earth-leakage. It features an integrated flux conditioner and supports a conductor count or CT ratio of 100:1. The device accommodates a sensor hole size of 3.45 inches (87.7 mm).

Feature Summary

• Sensitive detection capability for low-level earth-leakage currents.
• Integrated flux conditioner enhances signal stability.
• Designed specifically for use with Littelfuse relay systems.

Applications

• Earth-leakage detection in electrical protection circuits.
• Integration with Littelfuse relay assemblies.
• Industrial equipment monitoring.

Procurement Notes

Verify the specific application requirements against the 100:1 CT ratio and 87.7 mm window size. Confirm compatibility with the intended Littelfuse relay model. Ensure environmental conditions align with standard industrial specifications. Review official documentation for any specific mounting or wiring constraints associated with the ELCT series.

Selection Notes

Select this component when precise detection of low earth-leakage currents is required within a Littelfuse relay system. The 100:1 ratio and large window accommodate specific conductor sizes. Consider the integrated flux conditioner for improved accuracy in noisy environments compared to standard transformers.

Part Context

The ELCT5-88 belongs to the ELCT series of current transformers manufactured by Littelfuse. This series is characterized by high sensitivity and the inclusion of flux conditioners, distinguishing it from basic sensing components. It serves as a critical interface between primary conductors and protective relay logic.

Replacement Considerations

Consult Littelfuse technical resources for direct substitutes. Verify that alternative parts match the 100:1 ratio and 87.7 mm window dimensions to ensure physical and electrical compatibility with existing relay installations.