ABB Residual Current Relay RD3

The RD3 series of electronic residual current relays provides residual current protection and monitoring functions. This device can be used in conjunction with all MCBs of S200 series and Tmax range moulded case devices up to T5, for industrial installations.

• Function:

  For mixed system
  

• Rated Voltage (U_r):

  400...400 V
  

• Rated Operational Voltage:

  230 ... 400 V AC
  

• Rated Control Supply Voltage (U_s):

  (50 Hz) 400...400 V
  (60 Hz) 400...400 V
  

• Current Rating:

  Response value amperage 1 500 ... 500 mA
  

• Rated Frequency (f):

  50 … 60 Hz