ISpac isolators – the perfect system

Ex i isolators

System integration (Backplane solution)




ISpac isolators offer the full and complete range of all functions that you require for your tasks in the process industry. Regardless of whether you need to interwork sensors, transmitters and actuators of any type via switching amplifiers and transmitters through to trip amplifiers, ISpac provides you with the right solution without exception. For all needs and standard applications you may find a single and dual channel module. The individual module is only 17.6 mm wide, regardless of the number of channels, and is one of the world’s most compact isolators with a theoretical spacing of 8.8 mm per channel. Say goodbye to compromises: no functions are lost owing to the higher packing density on two-channel devices.


  • For all functions dual channel modules available
  • Line fault detection and 3-way-signalisation of faults in the field circuit
  • Unique system for power supply via the DIN rail - the pac-Bus
  • Enabled for SIL applications up to SIL 3
  • Complete system for HART signals

R. STAHL offers Selection Guides for the isolator range ISpac.
The Selection Guide gives an overview over the various parameters and helps you to find the best solution.

 Selection Guide