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Pepperl+Fuchs KFD2-SOT3-Ex2
by Pepperl+Fuchs
Read verified buyer reviews ↓OverviewThe Pepperl+Fuchs KFD2-SOT3-Ex2 (manufacturer part number: 262108) is a premier 2-channel intrinsically safe switch amplifier, meticulously engineered to facilitate the secure transmission of digital signals from field devices in hazardous environments to safe control systems. This robust device is a crucial component for industries where explosion protection and operational reliability are paramount. It offers versatile input options, compatible with both NAMUR sensors and traditional dry contacts, providing exceptional flexibility across various industrial applications. The KFD2-SOT3-Ex2 delivers dependable passive transistor outputs and boasts rigorous SIL 2 functional safety certification (SC3 per IEC/EN 61508), ensuring the highest levels of safety performance and adherence to standards. Its compact design not only conserves valuable cabinet space but also streamlines the installation process, while its rapid response time guarantees immediate signal processing, vital for critical safety systems. This amplifier represents an essential solution for process automation, chemical plants, oil and gas operations, and any safety-critical system demanding steadfast intrinsic safety compliance.Key Features Dual-Channel Input: Accommodates two independent input signals from NAMUR sensors or mechanical contacts, maximizing efficiency and minimizing hardware requirements. Passive Transistor Output: Equipped with open collector outputs, providing flexible interfacing with a wide range of control systems, including PLCs and DCS. SIL 2 Compliance: Certified for Safety Integrity Level 2 (SC3) according to IEC/EN 61508, offering validated reliability for critical safety functions. Line Fault Detection (LFD): Integrated short-circuit and open-circuit detection ensures continuous monitoring of field wiring integrity, signaling potential issues promptly. DIP-Switch Configuration: User-friendly DIP switches allow for easy and precise configuration of operating modes, including light/dark-on functionality and LFD enable/disable settings, tailored to specific application needs. Flexible Power Supply: Operates efficiently on a 24 V DC supply, connectable via robust terminals or a convenient Power Rail system. DIN Rail Mounting: Designed for quick and secure mounting on standard DIN rails (per EN 60715), facilitating organized and clutter-free installations within control cabinets. Technical Specifications Model: KFD2-SOT3-Ex2 Manufacturer Part Number: 262108 Supply Voltage: 19–30 V DC Input Characteristics: U₀ ≈ 10 V DC, I₀ ≈ 8 mA Switching Threshold: 1.2 mA (ON), 2.1 mA (OFF) Output Rating: Max 30 V DC, Max 100 mA (per output), Short-circuit protected Response Time: < 200 µs Protection Class: IP20 Ambient Temperature Range: -20 °C to +60 °C Dimensions: 20 mm (W) × 119 mm (H) × 115 mm (D) Mounting Method: DIN rail (per EN 60715) Applications Signal Transfer to Control Systems: Ideal for reliably transferring digital signals from devices in hazardous areas to PLC (Programmable Logic Controller) or DCS (Distributed Control System) environments, bridging the safe and hazardous zones. Oil & Gas and Petrochemical Industries: Essential for safety-critical applications within these demanding sectors, ensuring the safe operation of instrumentation and control systems in explosive atmospheres. Explosion-Proof Instrumentation Panels: Seamlessly integrates into instrumentation panels designed for hazardous locations, providing intrinsically safe signal conditioning for various field devices. Safety-Critical Automation and Control Circuits: A cornerstone component for building and maintaining robust safety functions in automated processes, contributing to overall operational safety and regulatory compliance. Why ChooseThe Pepperl+Fuchs KFD2-SOT3-Ex2 provides a compelling combination of advanced features and proven reliability, making it the preferred choice for demanding industrial applications. Its intrinsic safety certification offers unparalleled protection, minimizing risk in hazardous environments. The amplifier's dual-channel input and flexible output options enhance operational efficiency and system integration. Furthermore, its rapid response time and comprehensive line fault detection capabilities ensure optimal performance and continuous system integrity, critical for maintaining safety and productivity in complex industrial processes.Order NowElevate the safety and efficiency of your industrial operations with the Pepperl+Fuchs KFD2-SOT3-Ex2. This intrinsically safe switch amplifier is an investment in secure and reliable signal transmission within hazardous environments. Contact us today or visit our website to place your order and ensure your systems meet the highest standards of safety and performance.FAQWhat is the primary function of the Pepperl+Fuchs KFD2-SOT3-Ex2?The primary function is to securely transmit digital signals from field devices in hazardous areas to control systems in safe environments, ensuring explosion protection and operational integrity.What types of sensors are compatible with this amplifier?The amplifier is compatible with both NAMUR sensors and traditional dry contacts, offering broad versatility for various industrial setups.Is the KFD2-SOT3-Ex2 suitable for safety-critical systems?Yes, it is rigorously certified for SIL 2 functional safety (SC3 per IEC/EN 61508), making it highly suitable for safety-critical applications requiring stringent safety performance and compliance.
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Pepperl+Fuchs KFD2-SOT3-Ex2
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-SOT3-Ex2
- Manufacturer Part Number: 262108
- Supply Voltage: 19–30 V DC
- Input Characteristics: U₀ ≈ 10 V DC, I₀ ≈ 8 mA
- Switching Threshold: 1.2 mA (ON), 2.1 mA (OFF)
- Output Rating: Max 30 V DC, Max 100 mA (per output), Short-circuit protected
- Response Time: < 200 µs
- Protection Class: IP20
- Ambient Temperature Range: -20 °C to +60 °C
- Dimensions: 20 mm (W) × 119 mm (H) × 115 mm (D)
- Mounting Method: DIN rail (per EN 60715)
Applications
- Signal Transfer to Control Systems: Ideal for reliably transferring digital signals from devices in hazardous areas to PLC (Programmable Logic Controller) or DCS (Distributed Control System) environments, bridging the safe and hazardous zones.
- Oil & Gas and Petrochemical Industries: Essential for safety-critical applications within these demanding sectors, ensuring the safe operation of instrumentation and control systems in explosive atmospheres.
- Explosion-Proof Instrumentation Panels: Seamlessly integrates into instrumentation panels designed for hazardous locations, providing intrinsically safe signal conditioning for various field devices.
- Safety-Critical Automation and Control Circuits: A cornerstone component for building and maintaining robust safety functions in automated processes, contributing to overall operational safety and regulatory compliance.
Why Choose the KFD2-SOT3-Ex2?
The Pepperl+Fuchs KFD2-SOT3-Ex2 provides a compelling combination of advanced features and proven reliability, making it the preferred choice for demanding industrial applications. Its intrinsic safety certification offers unparalleled protection, minimizing risk in hazardous environments. The amplifier's dual-channel input and flexible output options enhance operational efficiency and system integration. Furthermore, its rapid response time and comprehensive line fault detection capabilities ensure optimal performance and continuous system integrity, critical for maintaining safety and productivity in complex industrial processes.
Availability & Shipping
- ▸In stock: KFD2-SOT3-Ex2 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-SOT3-Ex2 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Pepperl+Fuchs
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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.