Pepperl+Fuchs KFD2-SR-Ex1 Isolated Switch Amplifier (34063S)

he Pepperl+Fuchs KFD2-SR-Ex1 is an intrinsically safe isolated switch amplifier designed to transfer signals from NAMUR sensors and mechanical contacts in hazardous areas to control systems in safe areas. It provides reliable signal isolation, relay switching, and hazardous-area protection for industrial automation and process control applications.

Key Features

• Intrinsically safe isolated barrier
• NAMUR sensor and dry contact input
• Relay output
• Galvanic isolation
• Hazardous area certified
• DIN rail mounting
• Compact industrial design
• Suitable for process automation systems
• Reliable signal transfer between hazardous and safe areas

Specifications

• Manufacturer: Pepperl+Fuchs
• Model: KFD2-SR-Ex1
• Part Number: 34063S
• Type: Isolated Switch Amplifier
• Input: NAMUR proximity sensors or dry contacts
• Output: Relay contact
• Supply Voltage: 24 VDC
• Mounting: DIN Rail
• Isolation: Galvanic isolation between input, output, and supply
• Hazardous Area Approval: Intrinsically Safe Interface
• Ex PTB Nr. Ex-89.C.2073 [EEx ia] IIC
• Application: Signal transfer from hazardous to safe areas

Function

The KFD2-SR-Ex1 monitors switching signals from field devices located in hazardous areas and safely transfers them to PLCs, DCS systems, alarms, or other control equipment in the safe area. It is commonly used with NAMUR proximity sensors, limit switches, valve position indicators, and other discrete process signals.

Typical Applications

• Oil & Gas
• Chemical Processing
• Refineries
• Pharmaceutical Plants
• Water Treatment
• Tank Farms
• Process Automation
• Valve Position Monitoring
• Limit Switch Monitoring
• Hazardous Area Instrumentation

Condition

Used industrial surplus. Removed from a working environment. Please review all photographs carefully for condition, model number, and included accessories.

Contact