Isolated Barriers Pepperl-Fuchs

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Isolated Barriers
Intrinsic safety barriers are the core of Pepperl+Fuchs' product portfolio. We offer the widest selection of products for protection of electrical signals located in hazardous areas. These intrinsic safety modules combine the energy limiting features of a zener barrier with galvanic isolation. Pepperl+Fuchs offers systems for different applications and mountings.

K-System
Our most popular intrinsic safety isolated barriers are the flexible DIN rail mounted K-System modules. The K-System intrinsic safety barriers connect easily with our Power Rail assembled in the DIN rail. The use of the Power Rail reduces the wiring by energizing the modules mounted on the DIN rail.

WE-System
The WE-System isolated switch amplifiers provide power to NAMUR proximity sensors or dry contacts located in hazardous environments. The units can be installed onto a DIN-Rail or by mounting them with screws through holes in the base. For new installations we recommend to use our K-System isolated barriers.

K-System
K-System interface technology
Solving a wide range of applications in one system, our K-System guarantees a reliable and economical signal transmission between your field device and the control system. Whether your plans include a single isolating module or a large scale system integration, application-oriented solutions characterize the entire K-System product range.

Product portfolio
K-System offers an extensive range of intrinsic safety interface modules for many signals and applications - from simple isolators to highly functional modules.

Power Rail
The Power Rail is an insert in the standard 35mm DIN rail. When mounting on the DIN rail, the units are simply snapped in place. The Power Rail supplies the modules with power and provides a path for the collective error message from individual isolators. Power Rail reduces wiring and maintenance costs because it eliminates the need to daisy chain the wires. It also simplifies expansion. Just snap in a new module when you're ready to add to your system.

Power feed modules
The Power Rail is an insert in the standard 35mm DIN rail. When mounting on the DIN rail, the units are simply snapped in place. The Power Rail supplies the modules with power and provides a path for the collective error message from individual isolators. Power Rail reduces wiring and maintenance costs because it eliminates the need to daisy chain the wires. It also simplifies expansion. Just snap in a new module when you're ready to add to your system.

International safety standards
SIL ratings are available at no extra charge.

Easy configuration
With our powerful software tool, PACTware, Project documentation is easier to create and highly functional interface modules are easily configured.

Switch Amplifier

http://www.pepperl-fuchs.com/global/en/classid_6.htm

Frequency Converters


Relay Modules


Solenoid Drivers


Signal Converters


Trip Amplifiers


Current Drivers


Transmitter Power Supplies


Repeaters


Surge Protection




WE-System
The WE-System transformer isolated barrier transfers digital signals into hazardous areas. Sensors per EN 60947-5-6 (NAMUR) or mechanical contacts may be used as transmitters. The control circuit is monitored for lead breakage (LB).
1- / 2-channel 
Control circuit EEx ia IIC 
230 V / 115 V AC supply voltage 
Reversible mode of operation
Lead breakage (LB) monitoring 
1 relay output with 1 changeover contact per channel





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