Eaton xEffect FRCdM Residual Current Circuit Breakers

This catalog provides comprehensive information on the Eaton xEffect FRCdM series of residual current circuit breakers (RCCBs), designed for industrial applications. It details various types, their functionalities, technical specifications, and application guidelines.

Overview of Residual Current Circuit Breakers (RCCBs)

The FRCdM series offers a range of RCCBs with different sensitivities and tripping characteristics to meet diverse industrial needs. These devices are crucial for fault protection, supplementary protection, and fire protection.

Types of Residual Current Circuit Breakers

Type AC: Sensitive to AC residual currents.
Type A: Sensitive to AC and pulsating DC residual currents. Not affected by smooth DC fault currents up to 6 mA.
Type F: Sensitive to AC and pulsating DC residual currents, with tripping also occurring at mixed frequencies (10 Hz, 50 Hz, 1000 Hz). Offers delayed tripping (min. 10ms) and surge current withstand up to 3 kA. Tolerant to smooth DC fault currents up to 10 mA.
Type B: All-current sensitive RCCB for applications with DC fault currents. Not selective, not time-delayed. Protects against all fault current forms.
Type B+: All-current sensitive RCCB for applications with DC fault currents, offering enhanced fire protection.

Key Features and Benefits

Network voltage independent operation.
Digital support for enhanced system availability and monitoring.
System status can be retrieved via integrated auxiliary contacts and on-device indicators.
Low operating costs due to possible annual testing intervals.
Extensive range of accessories available.
Additional classifications enable use in railway applications.

Technical Specifications and Application Guidelines

The catalog details various technical aspects, including:

Tripping Characteristics: Information on tripping times and selectivity for different types (G, S, AC, A, F, B).
Frequency Response: Guidance on applications with frequency converters, highlighting the importance of Type F RCCBs for improved system reliability in the presence of high-frequency leakage currents.
Product Selection Tables: Detailed tables listing different FRCdM models with their specifications, article numbers, and packaging units.
Connection Diagrams: Illustrative diagrams showing correct wiring for various configurations.
Environmental Influences: Data on the impact of ambient temperature on continuous current ratings.
Maximum Permissible Fuses: Guidance on selecting appropriate fuses for FRCdM devices.

Product Range Summary

The Eaton xEffect FRCdM series includes a wide array of products, categorized by their type (G/A, S/A, G/F, S/F, G/B, S/B, G/Bfq, S/Bfq, G/B+, S/B+) and pole configuration (2-pole, 4-pole). Specific models are detailed with their rated residual current (IΔn) and article numbers.

Contact and Support

For further information, technical support, or to locate your local Eaton team, please visit Eaton.com or the provided international support contacts link.

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