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Products
Automation interfaces and solutions
Isolators
Ex-i-isolators

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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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Select the product lines that are applicable to your intended use.

Certificates SAP

USA (FM)
SIL (exida)
SIL (BVS)
India (PESO)
IECEx (IBE)
IECEx (BVS)
Canada / USA (UL)
Canada (FM)
ATEX (IBE)
ATEX (BVS)

Zone Filter

2 G | Gb | Zone 1
3 G | Gc | Zone 2

Firedamp equipment category

Gas equipment sub-group

IIB
IIB+H2
IIC

Gas temperature class

Dust-Max. surface temperature

Installation

in the safe area
in safe area
in Zone 2, Division 2 and in the safe area
in Zone 2 and in the safe area
Zone 2 and in the safe area

Class1 Division and Zone

safe area
Zone 2
Division 2 / Zone 2
Division 1 / Zone 1

Signal types

Vibration transducer
RS-485 non-Ex i
RS-485 Ex i & RS-422 Ex i
RS-485 Ex i
Input temperature
Frequency Input
Ex op is & fbr opts; RS-485
Ex-i power supply
Digital Output
Digital Input
Analog output
Analog Output
Analog Input

Signal types 2

Thermocouple, mV-source
RTD, potentiometer

Product Description

mA isolating repeater Ex i field circuit
mA isolating repeater Ex e field circuit
Vibration transducer Supply device Ex i field circuit ISpac
Transmitter supply unit With limit contact Ex i field circuit
Transmitter supply unit Ex i field circuit
Temperature transmitter Ex i field circuit ISpac
Switching repeater Ex i field circuit
Resistance isolator Ex i field circuit ISpac
Relay Module Ex i/Ex e for Zone 1 Isolators
Isolating repeater input Ex i field circuit ISpac
Isolating repeater Without auxiliary power Ex i field circuit ISpac
Isolating repeater Ex i field circuit ISpac
Frequency transmitter Ex i field circuit
Fieldbus Isolating Repeater ISpac
FO fieldbus ISpac
Ex i relay modules Ex i field circuit
Ex i power supply Ex i field circuit IS PAC
Electronic relay for Zone 1 Isolators
Digital output loop powered Ex i field circuit
Binary output Ex i field circuit

SIL

Number of Channels

Grid dimension

35.20 mm
17.60 mm
12.50 mm
12.00 mm

Connection type

Spring clamp terminal
Screw terminal
Screw term., Push-in terminal

26 Series (152 Products)

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)

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

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)

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

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)

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)

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

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 dual-channel version 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-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 SIL3 (IEC/EN 61508) available