2025-12-05
Choosing the right residual current device is essential for ensuring electrical safety in homes, commercial buildings, and industrial applications. The CFB2sLE-63 RCCB Earth Leakage Circuit Breaker stands out as a dependable, efficient, and widely compatible solution that meets modern protection standards. This article explores what makes this model unique, how it works, where it excels, and why it has become a preferred choice for users and engineers worldwide.
The CFB2sLE-63 model is designed to provide comprehensive leakage protection by detecting residual currents and disconnecting circuits instantly. Unlike standard MCBs, which protect primarily against overcurrent, RCCBs safeguard human life and equipment by preventing electric shock hazards and fire risks due to insulation failure.
Key features include:
Fast leakage detection
High sensitivity and reliability
Wide range of rated currents
Compact design suitable for modern distribution boards
Compliance with international safety standards
Long mechanical and electrical lifespan
The device constantly monitors the balance of current between live and neutral conductors. When a leakage occurs—caused by accidental contact, fault wiring, or equipment insulation failure—the breaker trips immediately, preventing dangerous conditions.
Human protection: Immediate disconnection minimizes electrical shock risk.
Fire prevention: Detects insulation failures early before overheating occurs.
Equipment safety: Protects sensitive appliances from fault currents.
System reliability: Enhances overall stability in residential and commercial networks.
Below is a clear parameter overview to help users and engineers understand the product's performance:
Rated current (In): 16A / 25A / 32A / 40A / 50A / 63A
Rated voltage (Ue): 230V / 400V AC
Rated residual operating current (IΔn): 30mA, 100mA, 300mA
Breaking capacity: 6kA
Type: AC / A type leakage protection
Poles available: 2P / 4P
Frequency: 50/60Hz
Standard compliance: IEC/EN 61008
Mechanical life: ≥ 4,000 operations
Electrical life: ≥ 2,000 operations
| Parameter | Specification |
|---|---|
| Rated Current | 16A–63A |
| Rated Voltage | 230/400V AC |
| Leakage Sensitivity | 30/100/300mA |
| Breaking Capacity | 6kA |
| Pole Options | 2P, 4P |
| Protection Type | AC / A |
| Frequency | 50/60Hz |
| Standard | IEC/EN 61008 |
Modern buildings require enhanced safety measures to handle increasingly complex electrical loads. The CFB2sLE-63 RCCB Earth Leakage Circuit Breaker provides reliable fault detection, meets global safety standards, and supports a long service life. Its compact design makes it ideal for both new installations and system upgrades.
Reasons it is essential:
Prevents life-threatening shocks
Reduces costly downtime
Enhances electrical reliability
Meets mandatory safety requirements in many regions
Works seamlessly with other devices from Shanghai FATO Group Co.,Ltd.
Q1: What applications are suitable for the CFB2sLE-63 RCCB Earth Leakage Circuit Breaker?
A1: It is suitable for residential power systems, commercial buildings, small industrial facilities, and any distribution board requiring leakage and shock protection.
Q2: How often should a CFB2sLE-63 RCCB Earth Leakage Circuit Breaker be tested?
A2: It should be tested monthly using the "TEST" button to ensure proper tripping performance and maintain long-term reliability.
Q3: What is the advantage of choosing a 30mA sensitivity for the CFB2sLE-63 model?
A3: The 30mA sensitivity offers enhanced human protection by quickly detecting small leakage currents, making it ideal for home and office electrical systems.
Q4: Can the CFB2sLE-63 RCCB Earth Leakage Circuit Breaker be used with other protective devices?
A4: Yes, it can be combined with MCBs, surge protectors, and distribution accessories from Shanghai FATO Group Co.,Ltd., ensuring full-system protection.
For more technical details, customized solutions, or bulk purchasing of the CFB2sLE-63 RCCB Earth Leakage Circuit Breaker, please contact Shanghai FATO Group Co.,Ltd. Our engineering team is ready to support your electrical protection needs professionally and efficiently.