Two-channel safety barriers

Intrinsic safety using dual-channel zener barriers
Using R. STAHL's dual-channel zener barriers, you can establish intrinsically safe circuits with HART transmitters, contacts, temperature sensors, solenoid valves, indicators and much more. They can be combined in many different ways, occupy a limited amount of space and require very little maintenance.

The design of R. STAHL's dual-channel zener barriers features a high robustness combined with a low footprint – as a result, not only do they take up very little space, but you can also expect an impressively long service life. What is more, they are easy to install. All you need to do is snap them onto the DIN rail, this action having the added advantage that it establishes the required potential equalization. A standardised back-up fuse that can be used in any model simplifies storage and maintenance.

R. STAHL's experts are always on hand to help you choose the best zener barrier for your needs, decide whether equipment can be classified as simple apparatus and generate an assessment report.

  • Comprehensive portfolio of zener barriers for solutions fit for any application
  • Compact design – just 12 mm wide
  • Easy to install, including equipotential bonding connection

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1 Serie (27 Products)

Dual-channel Zener Barriers Series 9002

  • For the intrinsically safe operation of a wide range of devices, such as HART transmitters, solenoid valves, sensors, zero-potential contacts and many more
  • Compact, space-saving devices that are easy to install on a DIN rail
  • Quick and efficient installation as barriers can be simultaneously snapped onto DIN rail and connected to ground
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