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The CMILE Residual Current Circuit Breaker (RCCB) is a high performance electrical safety device engineered to detect and cut off ground faults, leakage currents and electric shock risks in low voltage electrical systems. Adopting high sensitivity sensing technology and ultra fast tripping logic, this product fully complies with CE EN 61008/61009 and UL 1699 international standards, providing all round safety protection for personnel and electrical equipment in professional scenarios. It supports both residual current protection (RCCB) and integrated overload/short circuit protection (RCBO), and can be matched with optional arc fault detection (AFDD) functions to meet the safety needs of residential, commercial and industrial power systems. As a core component of electrical safety solutions, the CMILE ground fault protection circuit breaker delivers stable and reliable protection for long term operation of power distribution systems.
Ultra High Sensitivity & Fast Response
Detects residual currents as low as 10mA and trips within 30ms, effectively eliminating electric shock hazards and ensuring the safety of on site operators and equipment.
Dual Mode Integrated Protection
Standard RCCB models focus on residual current monitoring; RCBO models integrate leakage, overload and short circuit protection in one unit, simplifying cabinet layout and reducing failure points.
Optional Arc Fault Detection
High end configurations support AFDD functions, actively identifying arc faults and cutting off power in advance, greatly lowering fire risks caused by line insulation aging or poor contact.
Modular & Easy Installation
Adopts a standard DIN rail mounting structure with detachable modules, enabling fast installation, replacement and maintenance in various control panels.
IP20 Safety Protection
Finger safe and dust proof terminals make the product suitable for indoor use in homes, offices, light industrial workshops and other environments.
Model Number | InmA Frame Grade Rated Current | Rated Current | Rated Operating Voltage (V) | Number of Poles | Rated Surplus Operating Current (mA) | Rated Surplus Inactive Current (mA) | Rated Limit Short Circuit Breaking Ability (kA) | Rated Operation Short Circuit Breaking Ability (kA) | Arcing Distance (mm) | Mechanical Life | Electrical Life |
CM1LE 100S | 100 | 16,20,25,32,40,50,63,80,100 | 230 | 2 | 30,50,100,200,300,500 | 15,25,50,100,150,250 | 30 | 15 | ≤50 | 20000 | 8000 |
CM1LE 225S | 225 | 100,125,160,180,200,225 | 400 | 2 | 30,50,100,200,300,500 | 15,25,50,100,150,250 | 30 | 15 | ≤50 | 2500 | 8000 |
CM1LE 400S | 400 | 225,250,315,350,400 | 400 | 3/4 | 50,100,200,300,500,1000 | 25,50,100,150,250,500 | 50 | 25 | ≤100 | 4000 | 1000 |
CM1LE 630S | 630 | 400,500,630 | 400 | 3/4 | 100,200,300,500,1000 | 50,100,150,250,500 | 50 | 25 | ≤100 | 1000 | 1000 |
The CMILE residual current operated circuit breaker is widely used in multiple professional scenarios. It delivers reliable ground fault protection for residential electrical systems, safeguarding kitchen, bathroom and outdoor circuits against leakage and electric shock risks. For commercial buildings including offices, shops and hotels, it ensures stable operation of precision electronic equipment and protects occupants from electrical hazards. In industrial machinery fields, it provides dedicated protection for portable power tools, water pumps and low voltage control loops. It also serves as a key safety component for renewable energy systems, guarding solar panels and wind turbine control systems against failures caused by insulation damage.
We provide full cycle customized services for industrial clients and system integrators, including pole number combination, operating current adjustment, residual current sensitivity customization and interface modification. Our OEM/ODM services cover logo printing, parameter calibration, certification adaptation and packaging design, helping partners build exclusive product lines. All customized CMILE RCBO circuit breakers maintain consistent quality and compliance with international safety standards, suitable for large scale project deployment and global market sales.
RCCB only provides residual current protection, while RCBO adds overload and short circuit protection for full circuit safety.
Yes, 2 pole, 3 pole and 4 pole models are available for single phase and three phase applications.
Monthly testing is recommended to verify normal operation, in line with international safety guidelines.
All models comply with CE EN 61008/61009 and UL 1699 standards, supporting worldwide application.
The CMILE Residual Current Circuit Breaker (RCCB) is a high performance electrical safety device engineered to detect and cut off ground faults, leakage currents and electric shock risks in low voltage electrical systems. Adopting high sensitivity sensing technology and ultra fast tripping logic, this product fully complies with CE EN 61008/61009 and UL 1699 international standards, providing all round safety protection for personnel and electrical equipment in professional scenarios. It supports both residual current protection (RCCB) and integrated overload/short circuit protection (RCBO), and can be matched with optional arc fault detection (AFDD) functions to meet the safety needs of residential, commercial and industrial power systems. As a core component of electrical safety solutions, the CMILE ground fault protection circuit breaker delivers stable and reliable protection for long term operation of power distribution systems.
Ultra High Sensitivity & Fast Response
Detects residual currents as low as 10mA and trips within 30ms, effectively eliminating electric shock hazards and ensuring the safety of on site operators and equipment.
Dual Mode Integrated Protection
Standard RCCB models focus on residual current monitoring; RCBO models integrate leakage, overload and short circuit protection in one unit, simplifying cabinet layout and reducing failure points.
Optional Arc Fault Detection
High end configurations support AFDD functions, actively identifying arc faults and cutting off power in advance, greatly lowering fire risks caused by line insulation aging or poor contact.
Modular & Easy Installation
Adopts a standard DIN rail mounting structure with detachable modules, enabling fast installation, replacement and maintenance in various control panels.
IP20 Safety Protection
Finger safe and dust proof terminals make the product suitable for indoor use in homes, offices, light industrial workshops and other environments.
Model Number | InmA Frame Grade Rated Current | Rated Current | Rated Operating Voltage (V) | Number of Poles | Rated Surplus Operating Current (mA) | Rated Surplus Inactive Current (mA) | Rated Limit Short Circuit Breaking Ability (kA) | Rated Operation Short Circuit Breaking Ability (kA) | Arcing Distance (mm) | Mechanical Life | Electrical Life |
CM1LE 100S | 100 | 16,20,25,32,40,50,63,80,100 | 230 | 2 | 30,50,100,200,300,500 | 15,25,50,100,150,250 | 30 | 15 | ≤50 | 20000 | 8000 |
CM1LE 225S | 225 | 100,125,160,180,200,225 | 400 | 2 | 30,50,100,200,300,500 | 15,25,50,100,150,250 | 30 | 15 | ≤50 | 2500 | 8000 |
CM1LE 400S | 400 | 225,250,315,350,400 | 400 | 3/4 | 50,100,200,300,500,1000 | 25,50,100,150,250,500 | 50 | 25 | ≤100 | 4000 | 1000 |
CM1LE 630S | 630 | 400,500,630 | 400 | 3/4 | 100,200,300,500,1000 | 50,100,150,250,500 | 50 | 25 | ≤100 | 1000 | 1000 |
The CMILE residual current operated circuit breaker is widely used in multiple professional scenarios. It delivers reliable ground fault protection for residential electrical systems, safeguarding kitchen, bathroom and outdoor circuits against leakage and electric shock risks. For commercial buildings including offices, shops and hotels, it ensures stable operation of precision electronic equipment and protects occupants from electrical hazards. In industrial machinery fields, it provides dedicated protection for portable power tools, water pumps and low voltage control loops. It also serves as a key safety component for renewable energy systems, guarding solar panels and wind turbine control systems against failures caused by insulation damage.
We provide full cycle customized services for industrial clients and system integrators, including pole number combination, operating current adjustment, residual current sensitivity customization and interface modification. Our OEM/ODM services cover logo printing, parameter calibration, certification adaptation and packaging design, helping partners build exclusive product lines. All customized CMILE RCBO circuit breakers maintain consistent quality and compliance with international safety standards, suitable for large scale project deployment and global market sales.
RCCB only provides residual current protection, while RCBO adds overload and short circuit protection for full circuit safety.
Yes, 2 pole, 3 pole and 4 pole models are available for single phase and three phase applications.
Monthly testing is recommended to verify normal operation, in line with international safety guidelines.
All models comply with CE EN 61008/61009 and UL 1699 standards, supporting worldwide application.
