CBCT-310-1-CE

Current Sense Transformers Overview

The Selec CBCT-310-1-CE is a core balance current transformer designed for earth fault protection applications. It features an inner diameter of 310 mm, accommodating large conductors or busbars. The device operates with a turns ratio of 1,000:1 and supports an operating current range from 10 mA to 30 A. This configuration ensures accurate detection of residual currents in electrical power systems, providing essential monitoring capabilities for safety and protection relays.

Current Sense Transformers Feature Summary

• Detects imbalances in electrical systems for earth fault protection
• Accommodates large conductors via 310 mm inner diameter
• Provides precise residual current measurement for relay integration

Current Sense Transformers Applications

• Earth fault protective relay systems
• Electrical power system monitoring
• Residual current detection in industrial installations

Current Sense Transformers Procurement Notes

Verify the specific model suffix against official Selec documentation to confirm compatibility with existing protection relay interfaces. Ensure the required inner diameter matches the physical dimensions of the conductor or busbar being monitored. Cross-reference the turns ratio and operating current range with the connected relay's input specifications to guarantee accurate signal transmission and system reliability.

Current Sense Transformers Selection Notes

Select this component based on the physical size of the primary conductor, requiring a 310 mm aperture. Confirm that the application demands a 1,000:1 turns ratio for the intended earth fault sensitivity. Validate that the expected residual current levels fall within the 10 mA to 30 A operating range to ensure optimal performance without saturation or signal loss.

Current Sense Transformers Part Context

This unit belongs to the Selec CBCT series of core balance current transformers. These devices are engineered specifically for use with earth fault relays to monitor three-phase systems. The product line emphasizes robust construction and accurate residual current sensing for industrial and commercial power distribution networks.

Current Sense Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative models by matching the 310 mm inner diameter, 1,000:1 turns ratio, and CE certification requirements.