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Pepperl+Fuchs KFD2-STC5-Ex1.20
by Pepperl+Fuchs
Read verified buyer reviews ↓OverviewThe Pepperl+Fuchs KFD2-STC5-Ex1.20 provides a robust and secure connection for 2-wire SMART transmitters or current sources located in explosive atmospheres. This advanced 1-channel isolated barrier and power supply delivers a precise 4–20 mA active signal, guaranteeing consistent data transmission. It also supports bidirectional HART communication, enabling in-depth diagnostics and effortless configuration of field devices. Designed with safety as a priority, this unit holds SIL 2 certification according to IEC/EN 61508, highlighting its exceptional reliability and functional safety in demanding industrial environments. Key features include galvanic isolation for enhanced protection, continuous fault monitoring, and a compact design suited for efficient DIN rail mounting, making it an essential component for contemporary industrial automation.Key Features Single-Channel SMART Transmitter Power Supply: Efficiently powers and isolates one 2-wire SMART transmitter or current source. Hazardous Area Compatibility: Works with 2-wire transmitters or current sources in hazardous locations. Active 4–20 mA Output: Delivers a dependable 4–20 mA active signal in the safe area for accurate control and monitoring. HART Communication Support: Fully supports digital HART communication for advanced device setup, diagnostics, and data exchange. SIL 2 Certified (SC 3): Achieves Safety Integrity Level 2 compliance per IEC/EN 61508, ensuring high functional safety and dependability. Broad Power Supply Range: Operates effectively with a 24 V DC power supply, from 20 to 30 V DC. Triple Galvanic Isolation: Offers superior protection between input, output, and power circuits, enhancing system integrity. Integrated Line Fault Detection: Monitors for short and open circuits, providing early alerts and improving system uptime. Compact DIN Rail Mounting: Space-saving 20 mm enclosure designed for simple and secure installation on a DIN rail. LED Indicators: Clearly visible LED indicators provide immediate status updates and diagnostic feedback. Technical Specifications Model: KFD2-STC5-Ex1.20 Input: 4–20 mA from SMART transmitter or current source Output: Active 4–20 mA Supply Voltage: 20 to 30 V DC Current Consumption: Approximately 0.9 W Isolation Voltage: 375 V AC Temperature Range: –20 °C to +60 °C Protection Rating: IP20 Mounting Type: DIN rail (EN 60715) Certifications: ATEX, IECEx, UL, CSA, CE Safety Compliance: SIL 2 (Systematic Capability 3) ApplicationsThe Pepperl+Fuchs KFD2-STC5-Ex1.20 is a flexible solution for diverse industrial applications demanding safe and dependable signal transmission from hazardous zones: Process Automation: Crucial for secure signal interfacing from Ex zone transmitters to control systems. Oil & Gas Industry: Ensures reliable analog signal transmission in challenging and potentially explosive settings. Water & Wastewater Treatment: Facilitates SMART integration with monitoring and control systems for optimized operations. Pharmaceutical and Chemical Plants: Provides functional safety with precise analog control for sensitive processes. DCS/PLC Systems: Seamlessly integrates analog inputs with HART pass-through capabilities for advanced distributed control and programmable logic controller systems. Why Choose This Model?Choosing the Pepperl+Fuchs KFD2-STC5-Ex1.20 signifies an investment in unmatched safety, efficiency, and dependability for your industrial operations. This model distinguishes itself through its compact yet powerful design, offering a comprehensive solution for connectivity with SMART transmitters in hazardous environments. Its HART compatibility provides operators with remote diagnostic and configuration advantages, reducing the need for expensive and time-consuming manual interventions. Furthermore, its robust SIL 2 certification highlights a commitment to superior safety standards.Order NowEnhance your industrial control systems with the KFD2-STC5-Ex1.20. Contact us today to place your order or to learn more about how this device can optimize your operations.FAQWhat is the primary function of the Pepperl+Fuchs KFD2-STC5-Ex1.20?Its primary function is to provide an isolated power supply and signal conditioning for 2-wire SMART transmitters or current sources in hazardous areas, delivering a 4-20mA active output to the safe area along with HART communication capabilities.What does SIL 2 certification mean for this product?SIL 2 certification indicates that the product meets Safety Integrity Level 2 requirements under IEC/EN 61508, ensuring a high level of functional safety and reliability in critical applications.Can this device be used with existing control systems?Yes, it seamlessly integrates with DCS/PLC systems, offering analog input with HART pass-through, making it compatible with most modern industrial control infrastructures.
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Pepperl+Fuchs KFD2-STC5-Ex1.20
Overview
This is a genuine Pepperl+Fuchs component from the Isolators & Barriers family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Pepperl+Fuchs catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Pepperl+Fuchs automation ecosystem
- Engineered to integrate inside Isolators & Barriers installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Pepperl+Fuchs equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Pepperl+Fuchs catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Pepperl+Fuchs platform with documented conversion notes for the Isolators & Barriers family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: KFD2-STC5-Ex1.20
- Input: 4–20 mA from SMART transmitter or current source
- Output: Active 4–20 mA
- Supply Voltage: 20 to 30 V DC
- Current Consumption: Approximately 0.9 W
- Isolation Voltage: 375 V AC
- Temperature Range: –20 °C to +60 °C
- Protection Rating: IP20
- Mounting Type: DIN rail (EN 60715)
- Certifications: ATEX, IECEx, UL, CSA, CE
- Safety Compliance: SIL 2 (Systematic Capability 3)
Applications
The Pepperl+Fuchs KFD2-STC5-Ex1.20 is a flexible solution for diverse industrial applications demanding safe and dependable signal transmission from hazardous zones:
- Process Automation: Crucial for secure signal interfacing from Ex zone transmitters to control systems.
- Oil & Gas Industry: Ensures reliable analog signal transmission in challenging and potentially explosive settings.
- Water & Wastewater Treatment: Facilitates SMART integration with monitoring and control systems for optimized operations.
- Pharmaceutical and Chemical Plants: Provides functional safety with precise analog control for sensitive processes.
- DCS/PLC Systems: Seamlessly integrates analog inputs with HART pass-through capabilities for advanced distributed control and programmable logic controller systems.
Why Choose the KFD2-STC5-Ex1.20?
Choosing the Pepperl+Fuchs KFD2-STC5-Ex1.20 signifies an investment in unmatched safety, efficiency, and dependability for your industrial operations. This model distinguishes itself through its compact yet powerful design, offering a comprehensive solution for connectivity with SMART transmitters in hazardous environments. Its HART compatibility provides operators with remote diagnostic and configuration advantages, reducing the need for expensive and time-consuming manual interventions. Furthermore, its robust SIL 2 certification highlights a commitment to superior safety standards.
Availability & Shipping
- ▸In stock: KFD2-STC5-Ex1.20 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every KFD2-STC5-Ex1.20 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Pepperl+Fuchs
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New, surplus, and refurbished Pepperl+Fuchs inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.