Residual Current Device
A residual current device (RCD) is the generic term for a device which monitors the current in the line conductor and the neutral conductor of a circuit in an earthed system.
Residual Current Devices
In a normal healthy circuit, the vector sum of the live and neutral current values added together will be zero. Current flowing to earth, due to a line earth fault, will return via the earth conductor, and regardless of load conditions, will be registered as a fault. This current flow will give rise to a residual current (Ires) which will be detected by the device. If the Ires exceeds the rated sensitivity of the RCD, it will automatically activate a tripping of the faulty circuit, thereby protecting people, equipment and buildings from the risk of electrocution and fire.
Residual Current Circuit Breakers (without over-current protection)
Product features:
- Made in France.
- Meet the relevant International Standard, GB16916, IEC61008 and CCC.
- All ratings have 30mA or 300mA earth leakage protection. Two poles, 1P+N and 3P+N could be choosed.
- Strong anti-electromagnetism capacity, High reliability.
Combined MCB/RCD (RCBO ELE)
- compact protection devices which provide MCB overcurrent protection and RCCB earth leakage protection in a single unit.
- Break capacity 6kA, current rating - 6-40A.
- Special 10mA high sensitivity device, suit for the place with high standard.
Combined MCB/RCD (RCBO ELM)
- Made in France.
- Meet the relevant International Standard, GB16917,IEC61009 and CCC.
- Max current rating rised from 20A to 40A.
