Relays with output contacts governed by the values of an external signal (voltage, current, control), that can be independent to the auxiliary supply.
VDF-10, VDJ-30: Trip circuit surveillance relays for one or three-pole circuit breakers, respectively.
UJ-2: Instant, Vdc or Vac voltage measuring relay.
RJS-4: Electronic relay for tripping and local and remote signaling with 4 alarm points.
RD-2R, RF-4R, RJ-8R: Circuit breaker tripping relays.
BF-4R, BJ-8R: Circuit breaker tripping and interlocking relays.