Residual current device RCD510 basic RCD type A mounted on side

residual current device RCD510 Basic RCD type A side mounted rated resid. current 0.03...5A at 50/60Hz adjustable tv 0...3000ms 3-pole In=160A Ue=127-480V accessory for: 3VA1 with terminal connection nt-sensitive). 2. Easy mechanical installation of the residual current ammeters direct at the switch. This allows a very compact design.