FCL6series  rccb(Alternating current and pulsating direct current A type) of residual current circuit breakers are mainly used in the electric distribution system AC 230/415V or less with rated current from 16A to 80A.
　　 It is found wide use to protect residential, functional, industrial buildings and hotel etc. Against earth leakage insulation fault and fire accident caused by direct or indirect or indirect with electric parts (including human or other animal getting a electric shock). It will trip free under related value or current delay angle of 0°90°135°residual pulsating direct current or pile pulsating direct current up to 0.006A direct current it is compatible with normal RCCB. RCCBs are in accordance with IEC61008 and DIN VDE0664.