Key Features:

2-channel SMART transmitter power supply
Intrinsically safe for hazardous area applications
Supports HART communication alongside 4…20 mA signals
Galvanic isolation for improved signal integrity
Compact design for DIN-rail mounting
Reliable performance in demanding environments

Built to the highest standards, the KFD2-STC4-Ex2 offers consistent performance in harsh environments, ensuring safety and compliance in industries such as oil & gas, chemical, pharmaceutical, and power generation. Its compact housing allows easy integration into DIN-rail mounted termination boards, saving space while providing long-term reliability.

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Datasheet

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	1.8 W
Power consumption	max. 2.7 W
Influence of ambient temperature	0.25 µA/K
Settling time	200 µs
Rise time/fall time	20 µs
Output/power supply	Functional insulation, rated insulation voltage 50 V AC
Output/Output	Functional insulation, rated insulation voltage 50 V AC

It is a 2-channel SMART transmitter power supply designed for powering and isolating transmitters in hazardous areas.

The KFD2-STC4-Ex2 provides two independent channels.

It supports analog 4…20 mA signals and HART communication.

SMART refers to transmitters capable of handling both analog and digital communication, allowing advanced diagnostics and configuration via HART protocol.

Yes, it is designed for intrinsically safe applications, making it suitable for hazardous areas.

It is used in process industries such as oil & gas, chemical, pharmaceutical, and energy production.

Galvanic isolation improves signal integrity, prevents ground loops, and enhances system safety.

Yes, it features a compact housing suitable for standard DIN-rail mounting.

Yes, it allows HART communication to pass between the field transmitter and control system.

It typically operates from a 24 VDC power supply, standard for Pepperl & Fuchs interface modules.

By providing intrinsically safe power and galvanic isolation, it reduces risks of ignition in hazardous zones.

Yes, it is designed for easy integration with modern DCS and PLC systems supporting HART communication.

Please feel free to request information and advice using the form below or call us on 0151 547 1221

Pepperl & Fuchs KFD2-STC4-Ex2