Abb RD3 Residual Current Relays

• 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.
  
• Product Net Width:52.8 mm
• Product Net Height:0.085 m
• Product Net Depth / Length:65 mm
• Product Net Weight:0.223 kg
• Unit of measurement : Pcs

Technical

• Standards:IEC EN 60947-2 Ann M
• Type of Residual Current:A type
• Function:For mixed system
• Rated Voltage (Ur):400...400 V
• Rated Operational Voltage:230 ... 400 V AC
• Rated Control Supply Voltage (Us):(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
• Power Loss:3.6 W
• Number of Contacts:2
• Number of Contacts CO:1
• Number of Contacts NC:0
• Number of Contacts NO:0
• Delay Time (τ):Delay-On Energization, Maximum, Permitted 10 second [unit of time]
• Delay-On Energization, Minimum, Adjustable 0 second [unit of time]
• Mounting Type:DIN-Rail
• Filter Option:no frequency filter
• Options Provided:Pre-alarm threshold: no