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| Parameter | Specification |
| Conform to Standard | IEC 61008-1, GB/T 16916.1 |
| Earth Leakage Motion Time | Non-sealed. Minimum 10ms delay. Minimum 40ms delay (Selective). |
| Rated Voltage (Ue) | 230/400V; 50/60Hz |
| Rated Current (In) | 16, 25, 40, 63A |
| Rated Earth Leakage Current (IΔn) | 10, 30, 100, 300, 500mA |
| Sensitivity Capability | AC Type, A Type |
| Short-time Withstand Current | 10kA (with 63A fuse), 10kA (with 80A fuse F7-80) |
| Resist Climate Condition Power | According to IEC 61008 Standard |
| Case Protection Grade (IP) | IP40 (after installation) |
| Electrical Life | Not less than 4000 switching operations |
| Mechanical Life | Not less than 20000 switching operations |
UKF7 ELCB 2Pole 230V AC RCD 30mA 40A Residual Current Circuit Breaker
UKF7-63 Earth leakage Circuit Breaker
The UKF7-63 Earth leakage Circuit Breaker is a high-performance 2-Pole Earth Leakage Circuit Breaker (ELCB), also known as a Residual Current Device (RCD). Designed for 230V AC low-voltage electrical systems, this device integrates overcurrent protection with life-saving earth leakage protection, making it a critical safety component for residential, commercial, and industrial applications.
With a rated current of 40A and a sensitive residual operating current of 30mA, this breaker can rapidly detect and interrupt earth fault currents, effectively preventing the risk of electric shock and electrical fires. It is manufactured in strict compliance with international IEC 61008-1 and Chinese GB/T 16916.1 standards, guaranteeing exceptional performance, safety, and reliability.
Free Quote NowKey Features
- Dual Protection: Provides reliable overload/short-circuit protection combined with highly sensitive earth leakage protection.
- Enhanced Personal Safety: 30mA high-sensitivity trip current offers critical protection against direct contact (electric shock).
- Wide Applicability: Ideal for use in homes, offices, retail spaces, and factories for the protection of final circuits in single-phase 230V AC systems.
- Standards Compliance: Certified to IEC 61008-1 and GB/T 16916.1 standards, ensuring proven quality and safety.
- Reliable Performance: Ensures quick and accurate circuit disconnection upon the detection of a dangerous residual current.
Applications
- Residential distribution boards
- Commercial building lighting circuits
- Socket-outlet (receptacle) circuits
- Power supply protection for portable equipment.
Electrical & Performance Parameters
Mechanical Parameters
| Parameter | Specification |
| Installation Mode | Standard IEC Rail Mounting |
| Terminal Block Capability | Conductor: 1-25mm²; Busbar Thickness: 0.8-2mm |
| Enclosure Width | 2 Pole: 35mm; 4 Pole: 70mm |
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