Ex i isolators

Ex i isolators offer a wide choice and are designed to make your life easier
Point-to-point connections with ISpac isolators are a proven solution that is easy to implement. ISpac isolators are particularly easy and inexpensive to install. Only R. STAHL allows you to install all devices individually, in groups or in a pac carrier.

To make your life easier, R. STAHL's ISpac isolators use a pac bus: All you need to do is snap the device onto the DIN rail and pac bus and you're already connected to the auxiliary power supply; error messages are then very easy to read.

Our Ex i isolators are also designed to be user-friendly in operation: Two-channel modules for all functions save space, and the three-way reporting of wire breakage and short circuiting speeds up diagnostics. They also boast an impressively long service life of 15 years. And their certification for use in ships' engine rooms bears testimony to their robust construction.

R. STAHL's ISpac isolators are designed with functional safety in mind. These products conform to SIL 2 and SIL 3, including devices with trip amplifier function.

  • Compact: Two-channel modules for all functions
  • Time-saving system for wiring: pac bus or pac carrier
  • Broad range of applications: Can be used for SIL applications up to SIL 3
  • HART-capable

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24 Series (173 Products)

Transmitter Supply Unit Series 9260

  • Universal use for transmitters and mA sources (4-wire transmitter)
  • Slim design – 12.5 mm wide – for one- and two-channel versions
  • Can be used for functional safety levels up to SIL 2 (IEC/EN 61508)

Switching Repeater Series 9270

  • Slim design – 12.5 mm wide – for one- and dual-channel versions
  • Can be used for functional safety levels up to SIL 2 (IEC/EN 61508)
  • Offers line fault detection with signalization

Binary Output Series 9275

  • Space savings due to a slim design – 12.5 mm wide
  • Can be used for functional safety levels up to SIL 3 (IEC/EN 61508)
  • Offers line fault detection with signalization

Digital Output Loop Powered Series 9276

  • A comprehensive portfolio for a wide range of solenoid valves
  • Space savings due to a slim design – 12.5 mm wide
  • Can be used for functional safety levels up to SIL 3 (IEC/EN 61508)

Ex i Power Supply Series 9143

  • For the intrinsically safe supply of power to three- or four-conductor transmitters, solenoid valves, light barriers and controllers
  • stable, adjustable output voltage
  • extensive portfolio with either DC or AC auxiliary power

Frequency Transmitter Series 9146

  • Compact Ex i frequency transmitter for monitoring rotational speed in hazardous areas
  • Limit value analysis + frequency-current conversion + pulse divider function over a width of just 17.6 mm
  • Parameterization made easy by "ISpac Wizard" software

Vibration Transducer Supply Unit Series 9147

  • Space-saving two-channel variant reduces installation costs
  • easily accessible rotary switch makes adjustment simple
  • can be used up to SIL 2 (IEC 61508)

Transmitter Supply Unit Series 9160

  • Can be used universally for two- and three-conductor transmitters and mA sources (four-conductor transmitters)
  • high degree of accuracy
  • standard variant can be used up to SIL 2, special variant up to SIL3 (IEC/EN 61508)

Transmitter Supply Unit with Limit Value Series 9162

  • Compact limit value switch with two configurable limit values and output of 4 to 20 mA
  • bidirectional HART transmission
  • can be used up to SIL 2 (IEC/EN 61508)

Isolating Repeater Input Series 9163

  • Conversion of Ex i voltage signals in 0/4 ... 20 mA signals
  • Can be used for safety levels up to SIL 2 (IEC/EN 61508)
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