Pepperl+Fuchs KFD2-CD2-Ex2 safety Relay 123522

Pepperl+Fuchs KFD2-CD2-Ex2 (123522) Safety Relay

The Pepperl+Fuchs KFD2-CD2-Ex2 (123522) is a dual-channel intrinsically safe safety relay designed to process digital input signals from hazardous areas and control output signals in the safe area. This module ensures galvanic isolation and reliable signal transmission, making it suitable for safety-critical industrial applications.

Technical Specifications

• Model: KFD2-CD2-Ex2

• Part Number: 123522

• Function: Intrinsically safe signal isolator and relay module

• Number of Channels: 2 (dual-channel)

• Input (Hazardous Area):

  • Suitable for NAMUR sensors or mechanical contacts

  • Open-circuit voltage: approx. 8 V DC

  • Short-circuit current: approx. 8 mA

  • Switching thresholds:

    • ON: > 2.1 mA

    • OFF: < 1.2 mA

• Output (Safe Area):

  • Two relay outputs (1 relay per channel)

  • Type: Changeover contacts (SPDT)

  • Max. switching voltage: 250 V AC / 125 V DC

  • Max. switching current: 2 A

  • Max. switching power: 500 VA / 60 W

• Power Supply:

  • 20…30 V DC

  • Power consumption: approx. 2.5 W

• Response Time:

  • ON: < 10 ms

  • OFF: < 20 ms

• Diagnostics:

  • LEDs for status indication (input and output per channel)

• Isolation:

  • Galvanic isolation between input, output, and power supply

  • Isolation voltage: 2.5 kV AC

• Mounting:

  • DIN rail mounting (EN 60715)

• Connection Terminals:

  • Removable screw terminals

• Housing Material: Polycarbonate

• Dimensions (W × H × D): Approx. 40 mm × 119 mm × 115 mm

• Protection Class: IP20

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

• Storage Temperature: –40 °C to +80 °C

• Humidity: Up to 95% non-condensing

• Approvals: ATEX, IECEx, FM, CSA, EAC — certified for use in hazardous areas (Zone 0/1/2)

Applications

The KFD2-CD2-Ex2 is commonly used in industrial automation and process control systems, particularly in industries such as oil and gas, chemical processing, water treatment, and pharmaceuticals. It allows safe and reliable signal isolation and relay switching for field devices installed in explosive or hazardous environments.

Summary

The Pepperl+Fuchs KFD2-CD2-Ex2 (123522) safety relay is a high-performance, intrinsically safe interface module that ensures secure, isolated control of digital signals from hazardous areas. Its robust design, dual-channel configuration, and broad safety certifications make it a dependable choice for critical industrial applications.

On this page you will find the user manual for Pepperl+Fuchs KFD2-CD2-Ex2. Get detailed technical specifications, installation and operating instructions to ensure optimum performance and reliability.

Manual for Pepperl+Fuchs KFD2-CD2-Ex2

https://cpupartnergroup.com/image/pdf/Pepperl%2BFuchs%20KFD2-CD2-Ex2.pdf