Pepperl & Fuchs KCD2-SR-Ex2 Switch Amplifier

Key Features:

  • 2-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Dry contact or NAMUR inputs
  • Relay contact output
  • Line fault detection (LFD)

Designed for fast deployment and long service life, the KCD2-SR-Ex2 mounts neatly on DIN rail and integrates cleanly into marshalling cabinets and panels. Clear status indication supports quick commissioning and fault finding, while the compact housing helps maximise cabinet density. From chemical and pharmaceutical plants to oil & gas, power, water and general process industries, this versatile module delivers dependable switching, isolation and protection—supporting uptime, compliance, and clean hand-off to your automation layer.

Buy Now

Product Specification

Signal type Digital Input
Connection Power Rail or terminals 9+, 10-
Rated voltage 19 ... 30 V DC
Ripple = 10 %
Rated current = 46 mA
Power dissipation = 900 mW
Power consumption = 900 mW
Connection side Field side
Pulse/Pause ratio Min. 20 ms / min. 20 ms
Switching Frequency = 10 Hz
Display elements LEDs
Control elements DIP switch

Frequently Asked Questions

It is a dual-channel switch amplifier and isolated barrier designed for intrinsically safe signal transfer between hazardous and safe areas.

It is a dual-channel device, allowing two signals to be processed simultaneously.

It accepts input from NAMUR proximity sensors or mechanical contacts.

It means the device limits electrical energy so that sparks or heat cannot ignite flammable gases or dust in hazardous areas.

It safely transfers signals from hazardous areas to safe areas while maintaining intrinsic safety and isolation.

It is designed for DIN-rail mounting, making integration into control panels straightforward.

It is widely used in oil & gas, chemical, petrochemical, energy, and pharmaceutical industries.

Yes, it ensures electrical isolation between input, output, and power supply circuits.

It provides relay or transistor outputs suitable for safe-area control equipment such as PLCs, alarms, or actuators.

It prevents dangerous energy from reaching hazardous areas, protecting both equipment and personnel.

Yes, it is designed for high reliability and long service life in demanding industrial environments.

Yes, it is part of the K-System range, allowing easy integration with other intrinsic safety barriers and isolators.

FAQ

Request more information or Advice

Please feel free to request information and advice using the form below or call us on 0151 547 1221

Pepperl & Fuchs KCD2-SR-Ex2