F370 series(Alternating current and pulsating direct current:A type) of
residual current circuit breakers are mainly used in the electric distribution
systen 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 contact with electric parts(including human or other animal getting
a electric shock). It will trip free under reated value, or current delay angle of
0、90、135?sidualpulsating direct current, or pile pulsating direct
current up to 0.006A direct current. It is compatible with normal RCCB.
F370 series of RCCBs are in accordance with IEC61008 and DIN