PEPPERL & FUCHS KFD2-STC4-EX1 High-Performance 1-Channel Isolated Barrier (SMART transmitter power supply)

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PEPPERL & FUCHS KFD2-STC4-EX1 High-Performance 1-Channel Isolated Barrier (SMART transmitter power supply)

Name: PEPPERL & FUCHS KFD2-STC4-EX1 High-Performance 1-Channel Isolated Barrier (SMART transmitter power supply)
Brand: Industrial Online Services
Price: 5000 INR
Availability: InStock

Price 5000 INR/ Piece

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MOQ : 1 Piece

PEPPERL & FUCHS KFD2-STC4-EX1 High-Performance 1-Channel Isolated Barrier (SMART transmitter power supply) Specification

Mounting Type
DIN Rail Mounting

Rated Voltage
24 V DC nominal

Frequency
DC, 0 Hz

Operating Temperature
-20C to +60C

Efficiency
High efficiency, suitable for continuous operation

Input Current
4 mA - 20 mA (from transmitter)

Phase
Single Phase (Control Level)

Output Voltage
24 V DC (typical loop supply to field device)

Protection Level
IP20

Humidity
95% RH, non-condensing

Main Material
High-grade plastic, electronic components

Processing Type
Analog

Condition
New

Function
1-channel isolated barrier for intrinsically safe applications

Application
Signal isolation and supply for SMART transmitters in hazardous areas

Dimension (L*W*H)
Approx. 18 mm x 115 mm x 106 mm

Power Mode
DC Powered

Voltage
20 V DC to 35 V DC

Power Consumption
0.8 W

Accessories
None included (Optional socket available)

Color
Green

Model Number
KFD2-STC4-EX1

Channel
1-Channel

Output Signal Type
Passive, isolated electrical signal output

Intrinsically Safe Circuit
Ex ia IIC T4 Ga/Gb

Response Time
10 ms

Galvanic Isolation
Between input, output, and power supply

Weight
Approx. 120 g

Interface
Compatible with SMART (HART) transmitters

Connection Type
Screw terminals

PEPPERL & FUCHS KFD2-STC4-EX1 High-Performance 1-Channel Isolated Barrier (SMART transmitter power supply) Trade Information

Minimum Order Quantity
1 Piece

Delivery Time
5-7 Days

Main Export Market(s)
Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa

Main Domestic Market
All India

About PEPPERL & FUCHS KFD2-STC4-EX1 High-Performance 1-Channel Isolated Barrier (SMART transmitter power supply)

PEPPERL FUCHS KFD2STC4EX1 HighPerformance 1Channel Isolated Barrier SMART transmitter power supply

Key Specifications

Primary Function Supplies power to 2wire and 3wire SMART transmitters or interfaces with 2wire SMART current sources in hazardous areas transferring the analog 0420 mA signal to the safe zone

Rated Voltage Operates on 24 V DC via terminals or an integrated Power Rail system

Safety Integrity Level Certified up to SIL 2 according to IECEN 61508 standards

Digital Communication Supports bidirectional digital signal superimposition eg HART BRAIN and Foxboro protocols

Physical Features Compact housing equipped with frontfacing test sockets for direct communicator connection and standard 35 mm DIN rail mounting

Technical Data Parameters

Parameter Specifications

Input Signal 04 20 mA Analog SMART

Output Signal 04 20 mA

Power Consumption Approximately 18 W

Safety Parameters U_o 254text V I_o 868text mA P_o 551text mW

Ex Markings Ex ia Ga IIC Ex ia Da IIIC ATEX IECEx

Protection Degree IP20 rating

Reliable Signal Isolation for Hazardous Environments

The KFD2-STC4-EX1 barrier ensures safe signal transfer between field devices and control systems in hazardous zones. Its galvanic isolation protects against ground loops and electrical faults while supporting intrinsic safety standards (Ex ia IIC T4 Ga/Gb), making it suitable for use with SMART/HART transmitters in industrial process automation.

Versatile and Durable Design

With its durable high-grade plastic housing and IP20 protection, this barrier withstands harsh environmental conditions. The device supports a wide temperature range (-20C to +60C) and up to 95% non-condensing humidity, making it an ideal choice for various demanding applications in process industries.

FAQ's of PEPPERL & FUCHS KFD2-STC4-EX1 High-Performance 1-Channel Isolated Barrier (SMART transmitter power supply):

Q: How does the KFD2-STC4-EX1 isolated barrier improve safety in hazardous zones?

A: The KFD2-STC4-EX1 provides galvanic isolation and intrinsic safety, preventing electrical faults from propagating to hazardous areas. It supports Ex ia IIC T4 Ga/Gb certification, offering reliable protection in explosive environments.

Q: What types of transmitters are compatible with this isolated barrier?

A: This device is compatible with SMART (HART-enabled) transmitters, making it suitable for modern process automation systems requiring digital communication alongside analog signals.

Q: When should I use the KFD2-STC4-EX1 barrier in my application?

A: Use this barrier when your system involves transmitting analog 4-20 mA signals from field transmitters located in hazardous (explosive) areas to safe control rooms. It's ideal for continuous, reliable, and secure signal isolation.

Q: Where can the KFD2-STC4-EX1 be mounted in an industrial setup?

A: The barrier is designed for DIN rail mounting, allowing flexible placement in control cabinets or panels near controllers and interface units.

Q: What is the process for connecting the barrier to my instrumentation?

A: Installation is straightforward using screw terminals for input and output wiring. Connect the transmitter signal to the input, and the output to your control system, ensuring correct polarity and adhering to wiring standards for hazardous zones.

Q: How does using this device benefit my instrumentation system?

A: It enhances measurement accuracy and operational safety by isolating signals and powering field devices, minimizing the risk of electrical interference or damage in hazardous areas.

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