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Pepperl+Fuchs KFD2-STC4-1 Intelligent transmitter power supply isolator / 228736

Name: Pepperl+Fuchs KFD2-STC4-1 Intelligent transmitter power supply isolator / 228736
Availability: InStock

✔ IN STOCK ✔ New Original

Delivery time: Shipped in 3 days after payment
Condition: Brand New & Original PEPPERL+FUCHS Factory Sealed
Warranty: 12 Months Standard Warranty
Quality Guarantee: 30-Day Return and Exchange Policy

Part Number	KFD2-STC5-Ex2
Product Type	Intelligent transmitter power supply isolator
Product Origin	Germany
Shipping Port	Xiamen
Weight	200g

Brand :
PEPPERL+FUCHS

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Product Details

The KFD2-STC4-1 is an intelligent transmitter power supply isolator (signal conditioner) launched by Pepperl+Fuchs (Germany).

It is mainly used in industrial automation and process control systems for the isolation, conversion, and power distribution of analog signals.

It does not have intrinsically safe explosion-proof capabilities and must not be used directly to connect instruments to hazardous areas (such as flammable and explosive chemical sites). If you need to use it in a hazardous area, you should choose a model with the "Ex" suffix (such as KFD2-STC4-Ex1).

100% Original & Authentic In-Stock & Fast Shipping Expert Technical Support 12-Month Warranty

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Core Features

✓ Signal isolation: Achieves three-way electrical isolation between input, output, and power supply, effectively preventing ground loop interference and signal crosstalk, and improving system stability.
✓ Signal conversion and adjustment: Supports conversion of various analog signals (such as 4-20mA, 0-10V, etc.) and has zero-point and range adjustment functions to ensure measurement accuracy.
✓ Loop power supply: The module can power field devices through a loop, typically eliminating the need for an additional independent power supply.
✓ Intelligent signal compatibility: Supports intelligent communication protocols such as HART, allowing digital signals to be superimposed on analog signals for bidirectional transmission, facilitating connection to intelligent transmitters.

Technical Specifications

Brand	Pepperl+Fuchs
Model / Part Number	KFD2-STC4-1
Material Number (MNR)	228736
Rated Voltage	20...35V DC
Connection Method	Connect via power rail or terminals 14+, 15-
Power Consumption	Power loss 1.8W, total power consumption 2.4W
Deviation accuracy	≤ 10 µA at 20°C
Ambient temperature effect	0.25 µA/K
Response speed	Settlement time 200 µs, rise/fall time 20 µs
Safety Integrity Class (SIL)	Compliant with IEC 61508, up to SIL 3
Mounting method	35 mm standard DIN rail mounting
Protection level	Compliant with IEC 60529 (typically IP20)

Frequently Asked Questions

Q: How accurate and stable is this product?

A: The KFD2-STC4-1, as a professional signal conditioner in the Pepperl+Fuchs (P+F) K-System series, is renowned in the field of industrial automation for its high precision and excellent stability.

Q: What are the drawbacks or limitations of this product?

A: If you're performing routine signal isolation and conversion in a typical automated production line, pharmaceutical workshop, or control room, the "shortcomings" of the KFD2-STC4-1 aren't really a problem. However, if your application involves explosion-proof areas, extreme harsh environments, or high-requirement functional safety systems, then this product is unsuitable, and you'll need to re-evaluate and choose a more specialized model.

Q: What are the performance differences between it and the explosion-proof models with the suffix "Ex"?

A: In short, if you are only performing signal isolation and conversion in a safe control room, the KFD2-STC4-1 is perfectly adequate and offers better value for money; however, if your signals need to be connected to field instruments in hazardous areas such as chemical plants or oil and gas platforms, you must choose an explosion-proof safety barrier with the "Ex" suffix to ensure absolute production safety.

Why Partner With Us?

2016

Established in

300+

Countries Sold

200+

Employees

4000+

Companies Served

100% Original

Genuine spare parts through rigorous supply chain control.

Quick Shipping

Expedited delivery through our global logistics network.

24/7 Support

Uninterrupted technical assistance for system installation.

Large Stock

Immediate availability from our massive control systems inventory.

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Xiamen Weiranxin Trading Co., Ltd. has been engaged in the field of industrial automation components since 2016. We mainly supply automation components to heavy industry manufacturers around the world.

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