Finder monitoring relays 71 series finder 713184002000 the asymmetry monitoring relay finder 713184002000 is rated at 400v 10a this 3 phase spdt co mounts onto 35mm din rail and performs 3 phase asymmetry phase rotation and phase loss monitoringtypical applications detection of the supply voltage u to a1 1 andor a2 5 gt 111 un finder 713184002000 10a asymmetry monitoring relay 3 phase 400v spdt co