Pepperl & Fuchs KFD2-SR2-Ex2.W Switch Amplifier

Key Features:

  • Dual-channel switch amplifier

  • For intrinsically safe circuits in hazardous areas

  • Input from NAMUR sensors or mechanical contacts

  • Provides relay output for safe area control

  • Galvanic isolation between input, output, and power supply

  • Compact DIN-rail mounting design

This dual-channel unit provides flexible input/output options, galvanic isolation, and reliable operation across a wide range of industrial environments. Its slim DIN-rail mount housing allows for easy installation in control cabinets while maintaining optimal space efficiency. Engineered for hazardous area applications, the KFD2-SR2-Ex2.W is widely used in chemical, pharmaceutical, oil and gas, and process automation industries.

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Datasheet

  • Document
Datasheet

Pepperl & Fuchs KFD2-SR2-Ex2.W Switch Amplifier

Product Specification
Switching function Normally open (NO)
Output type PNP
Rated operating distance 4 mm
Installation Flush
Output polarity DC
Assured operating distance 0 ... 3.24 mm
Actuating element Mild steel, e. g. 1.0037, SR235JR (formerly St37-2) 12 mm x 12 mm x 1 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.35
Reduction factor r304 0.79
Reduction factor rBrass 0.49
Output type 3-wire

Frequently Asked Questions

It is a dual-channel switch amplifier used to safely transfer signals from hazardous areas to safe control areas.

It accepts signals from NAMUR sensors or mechanical contacts.

Its primary role is to amplify and safely transmit signals while maintaining galvanic isolation between hazardous and safe areas.

It is a dual-channel switch amplifier, meaning it can handle two independent signal paths.

The device provides relay outputs suitable for safe area control systems.

Yes, it is specifically designed for use in intrinsically safe applications where signals must cross hazardous to safe boundaries.

It is widely used in chemical processing, oil & gas, pharmaceutical, and other process automation sectors.

It features a compact DIN-rail housing for easy integration into control cabinets.

The unit provides galvanic isolation between input, output, and power supply to ensure safe and interference-free operation.

Yes, as a dual-channel unit, it can handle signals from two sensors or switch inputs simultaneously.

Yes, it is built for long-term reliability in demanding process automation environments.

It complies with international standards for intrinsic safety, ensuring dependable operation in hazardous zones.

FAQ

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Pepperl & Fuchs KFD2-SR2-Ex2.W