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Pepperl+Fuchs KFD2-STC5-Ex2 SMART Transmitter Power Supply / 203645

Pepperl+Fuchs KFD2-STC5-Ex2 SMART Transmitter Power Supply / 203645

✔ 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	Isolated safety barrier
Product Origin	Germany
Shipping Port	Xiamen
Weight	0.375 lbs

Brand :
PEPPERL+FUCHS

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Product Details

The KFD2-STC5-Ex2 is a dual-channel analog input isolation safety barrier from Pepperl+Fuchs (P+F).

It is primarily installed in safe areas (non-hazardous locations) to connect intrinsically safe field devices in hazardous areas, serving to isolate signals, distribute power, and limit energy, preventing hazardous energy from entering the hazardous area and causing accidents.

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

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Core Features

✓ Signal Isolation and Transmission: Enables precise transmission of analog signals from hazardous areas (field side) to safe areas (control room side) after electrical isolation.
✓ Smart Transmitter Power Supply: Directly provides power to 2-wire or 3-wire smart transmitters located in hazardous areas.
✓ HART Communication Support: Supports bidirectional transmission of digital signals (HART protocol) superimposed on analog signals. If the loop communication resistance is insufficient, the internally integrated 250Ω resistor can be used.
✓ Convenient Testing: The terminal block has a built-in test socket, facilitating connection of the communicator for debugging or testing without interrupting the loop.

Technical Specifications

Brand	Pepperl+Fuchs
Model / Part Number	KFD2-STC5-Ex2
Material Number (MNR)	203645
Rated voltage	18 ... 30 V DC
Power consumption	≤ 1.4 W at maximum load
Settling time	200 µs
Rise/fall time	100 µs
Frequency range	0 ... 7.5 kHz (-3 dB)
Ambient temperature effect	≤ 0.25 µA/K
Safety Integrity Class (SIL)	SIL 2
Enclosure Dimensions	20 x 124 x 115 mm
Protection Rating	IP20
Mounting Method	35 mm standard DIN rail mounting
Operating Temperature	-20 ... 60 °C

Frequently Asked Questions

Q: What are some typical application scenarios for this safety barrier?

A: The KFD2-STC5-EX2 is a classic solution for any factory with an explosion risk where sensor signals from hazardous areas need to be transmitted back to the control room safely and without interference, and where power needs to be supplied to these sensors.

Q: What does its SIL2 level specifically represent?

A: The SIL2 (Safety Integrity Level 2) rating of the KFD2-STC5-EX2 is an authoritative certification of its functional safety and reliability. Simply put, the SIL rating is like a "reliability ID card" issued to safety equipment. It signifies that it achieves an excellent balance between safety, cost, and operational complexity, and is capable of handling the safety signal isolation and transmission tasks in most common hazardous industrial scenarios.

Q: How to perform power-on testing and calibration after installation?

A: The KFD2-STC5-EX2 is a high-precision isolated safety barrier with extremely low transmission deviation (≤ 10 µA at 20°C), so it typically does not require additional calibration by the user in normal applications. Its "calibration" primarily refers to signal mode configuration via DIP switches and verification of the loop signal after power-on.

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2016

Established in

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Countries Sold

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Employees

4000+

Companies Served

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Genuine spare parts through rigorous supply chain control.

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Uninterrupted technical assistance for system installation.

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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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