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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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Installation
Class1 Division and Zone
Signal types
Signal types 2
Product Description
SIL
Number of Channels
Grid dimension
Connection type

26 Series (144 Products)

Explosion Protection
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)
Explosion Protection
ex-automation-transmitter-supply-ispac-rstahl

Switching Repeater Series 9270

  • 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)
  • A wire breakage and short-circuit monitoring system, which can be disconnected and includes messages
Explosion Protection
Primary Image: Isolating Repeater Field Circuit Ex i_9265-16-11-10

Isolating Repeater Series 9265

  • Compact one- and two-channel Ex i output isolating repeater
  • Space savings due to a slim design – 12.5 mm wide
  • Can be used up to SIL 2 (IEC/EN 61508)
Explosion Protection
Ex Binary Output Series 9275 R. STAHL

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)
  • A wire breakage and short-circuit monitoring system, which can be disconnected and includes messages
Explosion Protection
Ex Digital Output Loop Powered Series 9276 R. STAHL

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)
Explosion Protection
Primary Image: Temperature Transmitter Field Circuit Ex i_9282-11-51-16

Temperature Transmitter Series 9282

  • Ex i temperature transmitter, can be configured for virtually any common sensor type
  • Space savings due to a slim design – 12.5 mm wide
  • Can be used up to SIL 2 (IEC/EN 61508)
Explosion Protection
Array

I.S. 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
  • International certificates for worldwide use
Explosion Protection
Ex Frequency Transmitter Series 9146 R. STAHL

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
Explosion Protection
Ex Vibration Transducer Supply Unit Series 9147 R. STAHL

Vibration Transducer Supply Unit Series 9147

  • Space-saving dual-channel version reduces installation costs
  • Easily accessible rotary switch makes adjustment simple
  • Can be used up to SIL 2 (IEC 61508)
Explosion Protection
Ex Transmitter Supply Unit Series 9160 R. STAHL

Transmitter Supply Unit Series 9160

  • Can be used universally for two- and three-wire transmitters and mA sources (four-wire transmitters)
  • High degree of accuracy
  • Standard versions can be used up to SIL 2, special version up to SIL 3 (IEC/EN 61508) available
Explosion Protection
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
  • Can be used up to SIL 2 (IEC/EN 61508)
Explosion Protection
Ex Isolating Repeater Input Series 9163 R. STAHL

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)
Explosion Protection
Ex mA-Isolating Repeater Series 9164 R. STAHL

mA-Isolating Repeater Series 9164

  • For installation in Zone 1 or Class I, Div. 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, 12-mm wide design
Explosion Protection
Ex Isolating Repeater Series 9165 R. STAHL

Isolating Repeater Series 9165

  • Compact single- and dual-channel Ex i output isolating repeater
  • Variants with wire-breakage and short-circuit monitoring system, which can be disabled and features a signalling contact
  • Can be used up to SIL 2 (IEC/EN 61508)
Explosion Protection
Ex Isolating Repeater Loop Powered Series 9167 R. STAHL

Isolating Repeater Loop Powered Series 9167

  • Compact, loop-powered single- and dual- channel Ex i output isolating repeater
  • Suitable for fire and gas detectors
  • Can be used up to SIL 3 (IEC 61508)
Explosion Protection
Ex Switching Repeater Series 9170 R. STAHL

Switching Repeater Series 9170

  • Can be used up to SIL 2 (IEC/EN 61508)
  • Wire-breakage and short-circuit monitoring signalization, which can be disabled
  • Optional line fault transparency version available: The device notifies the control system directly of any field-side line faults via the signal output.
Explosion Protection
Ex I.S. Relay Module Series 9172 R. STAHL

I.S. Relay Module Series 9172

  • Binary input or output with two channels
  • For separating intrinsically safe and non-intrinsically safe signal and control circuits
  • Can be used up to SIL 2 (IEC/EN 61508)
Explosion Protection
Ex Electronic Relay Series 9174 R. STAHL

Electronic Relay Series 9174

  • Low space requirements – 12 mm footprint
  • Long-life module thanks to maintenance-free electronic switching: ideal for frequent switching operations
  • For installation in Zone1
Primary Image: 9177/12-11-01, Relay Module Ex i/Ex e für Zone 1

Ex i/Ex e Relay Module, Series 9177

  • Requires little space - 12 mm width
  • Choice of circuitry of coil and contact between Ex i or non-Ex (Ex e)
  • Switching between Ex i and Ex e circuitry possible at any time
  • Switching capacity of 253 V AC / 125 V DC at 2 A
  • Safeguarding for contact and coil circuit integrated
Explosion Protection
Ex Binary Output Series 9175 R. STAHL

Binary Output Series 9175

  • Dual-channel versions reduce the required footprint
  • Can be used up to SIL 3 (IEC/EN 61508)
  • A wire breakage and short-circuit monitoring system, which can be disconnected and includes messages
Explosion Protection
Ex Digital Output Loop Powered Series 9176 R. STAHL

Digital Output Loop Powered Series 9176

  • Comprehensive portfolio to cater for all characteristics
  • Dual-channel versions reduce the required footprint
  • Can be used up to SIL 3 (IEC/EN 61508)
Explosion Protection
Ex Resistance Isolator Series 9180 R. STAHL

Resistance Isolator Series 9180

  • Resistance isolator for inrinsically safe Pt100 (9180/.0) or Pt1000 (9180/.1)
  • World's only two-channel device requiring just 8.8 mm of space per channel
  • For two-, three- and four-wire connection
Explosion Protection
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
Explosion Protection
Ex Fieldbus Isolating Repeater Series 9185/11 R. STAHL

Fieldbus Isolating Repeater Series 9185/11

  • Simple, front-end parameterization
  • Bit refresh function improves signal quality
  • Adjustable transmission speeds of 1.2 kbit/s and 1.5 Mbit/s - automatic with PROFIBUS DP
  • Intrinsically Safe field interface for RS-485
Explosion Protection
Ex Fieldbus Isolating Repeater Series 9185/12 R. STAHL

Fieldbus Isolating Repeater Series 9185/12

  • Simple, front-end parameterization
  • Bit refresh function improves signal quality
  • Adjustable transmission speeds of 1.2 kbit/s and 1.5 Mbit/s - automatic with PROFIBUS DP
  • Field interface non-Ex i
Explosion Protection
Ex Fibre Optics Fieldbus Isolating Repeater 9186/.5 R. STAHL

Fibre Optics Fieldbus Isolating Repeater 9186/.5

  • For redundant FO network structures (PROFIBUS DP, Modbus RTU) in Cl. I, Div. 2 and Zone 2 hazardous areas
  • "Ex op is" interface make for easy installation and maintenance
  • Diagnostic function for early error detection and signalling

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