Pepperl+Fuchs We77/Ex-1 Isolated Switch Amplifier 129197

Pepperl+Fuchs We77/Ex-1 Isolated Switch Amplifier 129197

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Brand : Ram Automations
SKU: RAMA100012644
Availability: In Stock
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The Pepperl+Fuchs WE77/Ex-1 Isolated Switch Amplifier 129197 is a high-quality intrinsic safety interface designed to isolate and transmit signals from hazardous areas to control systems. Engineered by Pepperl+Fuchs for superior reliability, it ensures safe and accurate switching in industrial automation, process control, and explosion-prone environments. With robust galvanic isolation and dependable signal amplification, this unit provides essential protection for sensitive equipment while maintaining precise operation.

Key Features:

  • Isolated switch amplifier for safe signal transmission from hazardous zones

  • Provides galvanic isolation between field devices and control systems

  • Ensures reliable signal processing and switching performance

  • Compact and durable design for easy panel or DIN rail installation

  • Ideal for use in Ex-rated and industrial automation applications

Specifications:

  • Model: Pepperl+Fuchs WE77/Ex-1

  • Part Number: 129197

  • Type: Isolated Switch Amplifier

  • Input Signal: From sensors or switches in hazardous areas

  • Output Signal: Safe-side control signal

  • Operating Voltage: Standard 24V DC (as per configuration)

  • Frequency: 50/60Hz

  • Isolation: Galvanic isolation between input, output, and power supply

  • Mounting Type: DIN rail or panel mount

  • Compliance: IEC/EN 60079, ATEX certified for hazardous environments

  • Operating Temperature: -20°C to +60°C

  • Application: Process control, hazardous area signal isolation, automation panels, and safety systems

The Pepperl+Fuchs WE77/Ex-1 Isolated Switch Amplifier 129197 offers safe, accurate, and reliable signal isolation—making it the preferred choice for engineers integrating control and monitoring systems in explosive or industrial automation environments.



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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

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