Pepperl & Fuchs KFD2-STC5-Ex2 SMART Transmitter Power Supply

Key Features:

  • Dual channel SMART transmitter power supply

  • Intrinsically safe for hazardous area applications

  • Supports 2-wire and 3-wire transmitters

  • Compatible with HART communication for configuration and diagnostics

  • High accuracy signal transmission and reliable power output

  • DIN rail mount design for easy installation

  • Certified for global hazardous area standards

With dual input channels, the KFD2-STC5-Ex2 allows efficient integration of multiple field devices, reducing panel space while maintaining dependable operation. Its advanced design supports HART communication, enabling remote diagnostics, configuration, and monitoring. This makes it a preferred choice for industries where safety, precision, and compliance with international standards are critical.

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Product Specification

Signal type Analog input
Safety Integrity Level (SIL) SIL 2
Systematic capability (SC) SC 3
Connection Power Rail or terminals 14+, 15-
Rated voltage 18 ... 30 V DC
Ripple Within the supply tolerance
Power dissipation = 1.4 W at maximum load
Power consumption = 2.6 W at maximum load
Settling time 200 µs
Rise time/fall time 100 µs
Output/power supply Functional insulation, rated insulation voltage 50 V AC
Output/Output Functional insulation, rated insulation voltage 50 V AC

Frequently Asked Questions

It provides power to SMART transmitters and ensures safe signal transmission between hazardous and safe areas.

Yes, it features two independent channels, allowing connection of multiple field transmitters.

It supports both 2-wire and 3-wire transmitters.

Yes, the module fully supports HART communication for remote configuration and diagnostics.

It integrates intrinsic safety, precise signal transmission, and digital communication capability, making it suitable for advanced automation systems.

It limits energy transfer into hazardous areas, preventing ignition sources in explosive environments.

It uses a DIN rail mount design for quick and secure installation.

It is widely used in oil & gas, chemical processing, pharmaceuticals, and other hazardous-area process industries.

It transmits analog signals (such as 4…20 mA) with high accuracy while maintaining safety compliance.

Yes, it ensures galvanic isolation between the field side and control side for safe, interference-free operation.

Yes, it meets international intrinsic safety standards including ATEX, IECEx, and other regional certifications.

It enhances reliability, reduces downtime, and provides seamless integration of field transmitters into control systems.

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Pepperl & Fuchs KFD2-STC5-Ex2