Current Controlled Switch 


  • Suitable interface for devices having 4…20 mA or on-off outputs
  • Can power 2-wire transmitters
  • Galvanic isolation
  • 4…20 mA input
  • Power relay (SPDT) output
  • Limit, differential or window switch capabilities
  • Programmable damping
  • Explosion-proof models


  • Power supply and switching amplifier for 2-wire transmitters
  • Switching amplifier for 4-wire active transmitters
  • Dedicated switching amplifier version for the RC-400 range of Ex rated vibrating forks
  • Wire state monitoring
  • ON-OFF control