Pepperl + Fuchs KFA6-SR2-Ex1.W Switch Amplifier

Pepperl + Fuchs KFA6-SR2-Ex1.W Switch Amplifier / Isolated Barrier

• Model: KFA6-SR2-Ex1.W
• Manufacturer: Pepperl+Fuchs
• Type: Switch Amplifier / Isolated Barrier for Intrinsic Safety

Pepperl + Fuchs KFA6-SR2-Ex1.W 1-Channel Switch Amplifier (Intrinsic Safety Barrier)

The Pepperl+Fuchs KFA6-SR2-Ex1.W is a high-integrity 1-channel switch amplifier and isolated barrier from the K-System series, specifically designed for intrinsic safety applications in hazardous areas. This module enables the safe connection of digital signals from devices located in potentially explosive atmospheres, such as dry contacts or NAMUR proximity sensors, to control systems located in the safe area.

Functioning as an intrinsic safety barrier, the KFA6-SR2-Ex1.W limits the energy transferred into the hazardous area, preventing ignition. It receives the digital input signal and provides a reliable, isolated relay contact output in the safe area, suitable for interfacing with PLCs, DCS, or other control logic. The unit operates on a 230 V AC supply voltage and is easily mounted on a 35mm DIN rail using screw terminals for secure wiring.

The KFA6-SR2-Ex1.W complies with relevant intrinsic safety standards (indicated by 'Ex' in the model name and specific Ex markings) and is suitable for functional safety applications (often certified up to SIL 2, depending on application and variant). It provides essential isolation and signal conditioning for safe and reliable operation of automation systems in hazardous environments.

Key Characteristics:

• Function: Intrinsic Safety Barrier and Switch Amplifier.
• Channels: 1-channel.
• Input: Supports dry contacts and NAMUR proximity sensors from hazardous areas.
• Output: Isolated Relay Contact output in the safe area.
• Supply Voltage: 230 V AC.
• Mounting: 35mm DIN Rail.
• Terminals: Screw Terminals.
• Safety: Provides intrinsic safety (Ex) and often suitable for functional safety (SIL) applications.
• Isolation: Electrical isolation between input, output, and power supply.

The Pepperl+Fuchs KFA6-SR2-Ex1.W is a critical component for safely integrating digital signals from hazardous locations into your industrial automation and control systems.