Pepperl+Fuchs KFD2-SR2-Ex1.W Switch Amplifier
Pepperl+Fuchs KFD2-SR2-Ex1.W Switch Amplifier is a high-performance intrinsically safe interface module designed for reliable signal switching and electrical isolation between hazardous and safe areas. It provides dependable signal transmission, enhanced system protection, and safe operation for field devices, making it ideal for process automation, oil & gas, chemical plants, and other hazardous industrial environments.
BRAND
Pepperl+Fuchs
TYPE
Switch Amplifier
PART NO.
Switch Amplifier KFD2-SR2-Ex1.W
MODEL
KFD2-SR2-Ex1.W
Full Technical Specifications ▶
| Parameter | Value / Description |
|---|---|
| BRAND | Pepperl+Fuchs |
| TYPE | Switch Amplifier |
| PART NO. | Switch Amplifier KFD2-SR2-Ex1.W |
| MODEL | KFD2-SR2-Ex1.W |
| MANUFACTURER | Pepperl+Fuchs |
| Signal Type | Digital Input |
| Supply Voltage | 19–30 V DC (24 V DC Nominal) |
| Power Consumption | ≤ 0.7 W |
| Power Supply Connection | Power Rail or Terminals 14(+), 15(-) |
| Field Input | NAMUR Sensors (EN 60947-5-6) or Dry Contacts |
| Output Type | Relay Contact Output |
| Operating Mode | Reversible (Selectable via DIP Switch) |
| Safety Integrity Level (SIL) | SIL 2 (SC 3) according to IEC/EN 61508 |
| Mechanical Life | 10⁷ Switching Cycles |
| Minimum Switch Current | 2 mA at 24 V DC |
| Maximum Switching Frequency | < 10 Hz |
| Control Elements | DIP Switch |
| Connection Type | Screw Terminals |
| Mounting Type | 35 mm DIN Rail Mount (EN 60715:2001) |
| Ambient Temperature | -40°C to +70°C (-40°F to +158°F) |
| Weight | Approximately 150 g |
| Application | Intrinsically safe signal isolation for NAMUR proximity sensors and dry contacts in hazardous area process control systems |
| Made In | Germany |
| REF NO | 1461 |
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