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Ex-i-isolators

Intrinsically safe isolators offer a wide choice and are designed to make your life easier
Point-to-point connections with ISpac isolating barriers are a proven solution that is easy to implement. ISpac isolating barriers 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 isolating barriers use pac-Bus: All you need to do is snap the device onto the DIN rail and pac-Bus and it is already connected to the power supply; error messages are then very easy to read.

Our isolating barriers with intrinsically safe interface are also designed to be user-friendly in operation: Dual-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 isolating barriers are designed with functional safety in mind. These products conform to SIL 2 and SIL 3, including devices with trip amplifier function.

  • Compact: Dual-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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Product Description
SIL
Signal types ZMT00102
Signal types 2
Number of Channels
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Connection type

25 Series (129 Products)

Ex Transmitter Supply Unit Series 9260 R. STAHL

Transmitter Supply Unit Series 9260

  • Universal use for 2-wire transmitters and mA sources (4-wire transmitter)
  • Slim design – 12.5 mm wide – for one- and two-channel versions
  • Can be used for safety levels up to SIL 2 (IEC/EN 61508)
Ex Transmitter Supply Unit Series 9260 R. STAHL

Switching repeater Series 9270

  • Slim design saves space – just 12.5 mm wide
  • For use up to SIL 2 (IEC/EN 61508)
  • A wire breakage and short-circuit monitoring system, which can be disconnected and includes messages
Ex Isolating repeater Series 9265 R. STAHL

Isolating repeater Series 9265

  • Compact one- two-channel Ex i output isolating repeater
  • Slim design saves space – just 12.5 mm wide
  • For use up to SIL 2 (IEC/EN 61508)
Ex Binary output Series 9275 R. STAHL

Binary output Series 9275

  • Slim design saves space – just 12.5 mm wide
  • For use up to SIL 3 (IEC/EN 61508)
  • A wire breakage and short-circuit monitoring system, which can be disconnected and includes messages
Ex Loop-powered digital output Series 9276 R. STAHL

Loop-powered digital output Series 9276

  • An extensive portfolio for a wide variety of solenoid valves
  • Slim design saves space – just 12.5 mm wide
  • For use up to SIL 3 (IEC/EN 61508)
Ex Temperature transmitter Series 9282 R. STAHL

Temperature transmitter Series 9282

  • Ex i temperature transmitter, can be configured for virtually any common sensor type
  • Slim design saves space – just 12.5 mm wide
  • For use up to SIL 2 (IEC/EN 61508)
Ex Ex i power supply Series 9143 R. STAHL

Ex i power supply Series 9143

  • To provide 3- or 4-wire transmitters, solenoid valves, light barriers and controllers with intrinsically safe power
  • Stable, adjustable output voltage
  • International approvals for global use
Ex Frequency transmitter Series 9146 R. STAHL

Frequency transmitter Series 9146

  • Compact Ex i frequency transmitter for monitoring speed in hazardous areas
  • Offers a variant combining limiting value evaluation + frequency to current conversion + pulse divider function with a width of just 17.6 mm
  • Simple parameterisation using "ISpac Wizard" software
Ex Vibration transducer supply unit Series 9147 R. STAHL

Vibration transducer supply unit Series 9147

  • Approved for use with condition monitoring systems from the leading suppliers
  • Additional space-saving two-channel variant
  • Simple to set and adjust using easily accessible rotary switches
Ex Series 9160 transmitter supply unit R. STAHL

Series 9160 transmitter supply unit

  • Can be used universally for 2- and 3-wire transmitters and mA sources
    (4-wire transmitters)
  • High degree of accuracy
  • Variants with wire breakage and short-circuit monitoring
  • Transparent for HART signals
Ex Transmitter Supply Unit with Limit Value Series 9162 R. STAHL

Transmitter Supply Unit with Limit Value Series 9162

  • Universal use for transmitters and mA sources (4-wire transmitters) with two configurable limit values and one 4 to 20 mA output
  • Bidirectional HART transmission
Ex mA isolating repeater Series 9164 R. STAHL

mA isolating repeater Series 9164

  • For installation in Zone 1 or Zone 2 hazardous areas (depending on the variant)
  • Inputs can be intrinsically safe (Ex i), feature increased safety (Ex e) or be non-Ex
  • Space saving design just 12 mm wide
Ex Isolating repeater Series 9165 R. STAHL

Isolating repeater Series 9165

  • Universal Ex i output isolating repeater
  • Extremely short settling time
  • Wire breakage and short-circuit monitoring
  • Transparent for HART signals
Ex Loop-powered isolating repeater Series 9167 R. STAHL

Loop-powered isolating repeater Series 9167

  • Loop-powered Ex i output isolating repeater
  • Suitable for fire and gas detectors
  • Suitable for loads of up to 800 Ω
Ex Switching repeater Series 9170 R. STAHL

Switching repeater Series 9170

  • Extensive portfolio – outputs with relays or electronics
  • Wire breakage and short-circuit monitoring
  • Robust design for challenging environments
Ex Ex i relay modules Series 9172 R. STAHL

Ex i relay modules Series 9172

  • Compact relay module with two channels
  • For separating intrinsically safe and non-intrinsically safe signal and control circuits
  • Ex i and non-Ex i actuation available
Ex Electronic relay Series 9174 R. STAHL

Electronic relay Series 9174

  • Requires little space – width of 12 mm
  • Durable module thanks to maintenance-free electronic switching: Ideal for frequent switching operations
  • Enables use in Zone 1
Ex Ex i/Ex e Relay Module, Series 9177 R. STAHL

Ex i/Ex e Relay Module, Series 9177

  • Slim design – 12 mm width
  • Choice of circuitry of coil and contact between Ex i or non-Ex i (Ex e)
  • Integrated fuse for contact and coil circuit integrated
Ex Binary output Series 9175 R. STAHL

Binary output Series 9175

  • Extensive portfolio – the ideal solution for solenoid valves and signalling devices
  • Two-channel variants reduce the amount of space required
  • Wire breakage and short-circuit monitoring, can be fully disconnected
Ex Loop-powered binary output Series 9176 R. STAHL

Loop-powered binary output Series 9176

  • Suitable for solenoid valves and signalling devices
  • Two-channel variants reduce the amount of space required
  • No need for a separate auxiliary power supply
Ex Resistance isolator Series 9180 R. STAHL

Resistance isolator Series 9180

  • 9180/.0 Ex i resistance isolator for Pt100 or 9180/.1 for Pt1000
  • Only two-channel device in the world to require just 8.8 mm of space per channel
  • For 2-, 3-, 4-wire connection
Ex Temperature Transmitter Series 9182 R. STAHL

Temperature Transmitter Series 9182

  • Temperature transmitter, can be configured for virtually any common sensor type
  • Broad range, including variants with signal conversion and trip amplifier function
  • Variants for SIL 2 applications available
Ex Fieldbus isolating repeater Series 9185/11 R. STAHL

Fieldbus isolating repeater Series 9185/11

  • Simple, front-end parameterisation
  • Bit refresh function improves the signal quality
  • Adjustable transmission rates between 1.2 kbit/s and 1.5 Mbit/s – automatic with PROFIBUS DP
  • Ex i field interface
Ex Fieldbus isolating repeater Series 9185/12 R. STAHL

Fieldbus isolating repeater Series 9185/12

  • Simple, front-end parameterisation
  • Bit refresh function improves the signal quality
  • Adjustable transmission rates between 1.2 kbps and 1.5 Mbps – automatic with PROFIBUS DP
  • Non-Ex i field interface
Ex Fibre optic fieldbus isolating repeater Series 9186 R. STAHL

Fibre optic fieldbus isolating repeater Series 9186

  • For redundant FO network structures (PROFIBUS DP, Modbus RTU) in hazardous areas of Zone 2
  • "Ex op is" interface makes for easy installation and maintenance
  • With diagnostics function for early error detection and signalling
  • Compatible with Series 9186 devices

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Ex contact customer service center R. STAHL

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Southeast Asia & Japan
+65 627 195 95
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