Pepperl & Fuchs KFD2-SR2-Ex1.W Switch Amplifier

Key Features:

  • Dual-channel intrinsically safe switch amplifier

  • Suitable for hazardous area signal isolation

  • Provides reliable signal conversion and switching

  • Compact housing for DIN rail mounting

  • Designed for process automation and control systems

With a dual-channel design, the KFD2-SR2-Ex1.W offers flexibility and redundancy for demanding safety applications. It is engineered to provide reliable switching operations, converting field signals into standard outputs that can be used by control systems. Its slim housing allows easy installation in control cabinets while maintaining high channel density.

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Datasheet

  • Document
Datasheet

Pepperl & Fuchs KFD2-SR2-Ex1.W Switch Amplifier

Product Specification
Signal type Analog input
Safety Integrity Level (SIL) SIL 2
Connection Power Rail or terminals 14+, 15-
Rated voltage 20 ... 35 V DC
Ripple within the supply tolerance
Power dissipation 1.4 W
Power consumption 1.8 W
Deviation at 20 °C (68 °F), 0/4 ... 20 mA = 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage
Influence of ambient temperature 0.25 µA/K
Settling time 200 µs

Frequently Asked Questions

It is a SMART transmitter power supply designed to safely power 2-wire transmitters and transmit signals from hazardous to safe areas.

The module supports 2-wire SMART transmitters, including those using HART communication.

Yes, it transmits standard analog signals as well as HART/SMART digital communication.

It offers intrinsic safety and galvanic isolation to ensure safe operation in hazardous areas.

The KFD2-STC4-Ex1 is designed for easy DIN-rail mounting.

It is commonly used in chemical, pharmaceutical, oil & gas, energy, and general process automation industries.

The KFD2-STC4-Ex1 is a single-channel transmitter power supply module.

Yes, its design allows simple integration into DCS or PLC systems.

Intrinsic safety and galvanic isolation protect both field devices and control systems in hazardous applications.

Yes, it is designed specifically for applications in hazardous areas where safety is critical.

Unlike standard supplies, it provides intrinsic safety and supports HART communication, ensuring safe and accurate signal transmission.

Built by Pepperl & Fuchs, it is known for high reliability, long service life, and consistent performance in demanding environments.

FAQ

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Pepperl & Fuchs KFD2-SR2-Ex1.W