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Pepperl+Fuchs KFA6-SR2-EX2.W
by Pepperl+Fuchs
Read verified buyer reviews ↓OverviewThe Pepperl+Fuchs KFA6-SR2-EX2.W (Part No. 103373) is a sophisticated two-channel signal isolator, expertly designed to create a safe and dependable link between field instrumentation in hazardous environments and control platforms in safe zones. This resilient device operates on a 24V DC power source, guaranteeing seamless integration within various industrial process control setups. Its advanced engineering ensures intrinsically safe signal transfer, a vital characteristic for applications demanding the highest levels of operational security. With its compact footprint and adherence to strict safety certifications, the KFA6-SR2-EX2.W is an essential component for optimizing both safety and efficiency in rigorous industrial environments. It enables the connection of passive, dry contact, or NAMUR sensors, offering exceptional versatility for diverse operational requirements.Key Features Dual Channel Configuration: Features two independent signal pathways for enhanced flexibility and efficient signal management. Input/Output Flexibility: Compatible with passive, dry contact, or NAMUR sensors, offering extensive compatibility with a wide range of field devices. Optimal Power Input: Functions effectively with a 24V DC ±10% power supply, suitable for common industrial power infrastructures. DIN Rail Mounting: Engineered for simple and secure installation on a DIN rail (EN 60715), facilitating rapid deployment and maintenance. Reliable Output: Incorporates a relay output with one normally open (NO) contact per channel, ensuring dependable signal delivery to control systems. Advanced Fault Detection: Includes robust detection mechanisms for both short circuits and open circuits, minimizing downtime and improving system reliability. Galvanic Separation: Provides complete electrical isolation among input, output, and power supply, significantly enhancing system safety and preventing ground loops. Technical Specifications Model Number KFA6-SR2-EX2.W Part Number 103373 Manufacturer Pepperl+Fuchs Number of Channels 2 Supply Voltage 24V DC (19.2–30V DC) Power Consumption Approximately 1 W, ensuring energy-efficient operation. Relay Output 1 NO per channel Switching Voltage Max. 250V AC / 125V DC Switching Current Max. 2 A Response Time Extremely fast reaction time of less than 10 ms for critical applications. Mounting Standard DIN rail (35 mm) for versatile installation. Protection Class IP20, offering protection against solid objects. Housing Material Durable Polycarbonate, built for resilience in industrial environments. Dimensions (W x H x D) Approx. 40 mm x 110 mm x 115 mm, a compact design for space-saving installations. Operating Temperature Wide operating temperature range from -20°C to +60°C, suitable for diverse climatic conditions. Approvals Comprehensively certified with ATEX, IECEx, UL, CSA, and FM for intrinsic safety, ensuring compliance with global standards. Applications Hazardous Area Monitoring: Critical interface for sensors deployed in Zone 0, 1, or 2 environments, ensuring safe data acquisition. Process Automation: Facilitates secure and reliable signal transmission to Programmable Logic Controllers (PLCs) or Distributed Control Systems (DCS), crucial for automated processes. Oil & Gas Sector: Delivers robust isolation solutions in explosive atmospheres, enhancing operational safety and regulatory compliance. Chemical Manufacturing Plants: Guarantees intrinsically safe communication pathways between the control room and field devices, vital for preventing incidents in volatile chemical processes. Pharmaceutical Production: Ideal for maintaining strict safety protocols in environments where flammable materials are present. Power Generation: Supports critical monitoring and control systems in potentially hazardous areas within power plants. Why ChooseThe Pepperl+Fuchs KFA6-SR2-EX2.W is an exceptional choice for any industrial application demanding intrinsically safe signal isolation. Its innovative dual-channel design, combined with its robust construction and extensive certifications, ensures reliable performance and enhanced safety in demanding environments.Order NowSecure your operations with the Pepperl+Fuchs KFA6-SR2-EX2.W signal isolator. Contact us today for pricing and availability.FAQWhat is the KFA6-SR2-EX2.W?It is a two-channel signal isolator designed to provide intrinsically safe signal transmission between hazardous areas and control systems.What types of sensors are compatible with this module?This isolator is compatible with passive, dry contact, or NAMUR sensors.What is the power supply requirement for the KFA6-SR2-EX2.W?It operates on a 24V DC (19.2–30V DC) power supply.Can this device be installed on a DIN rail?Yes, it is designed for standard DIN rail (35 mm) mounting.What are the key safety approvals for this product?It is comprehensively certified with ATEX, IECEx, UL, CSA, and FM for intrinsic safety.
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Pepperl+Fuchs KFA6-SR2-EX2.W
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
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Model Number
KFA6-SR2-EX2.W
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Part Number
103373
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Manufacturer
Pepperl+Fuchs
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Number of Channels
2
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Supply Voltage
24V DC (19.2–30V DC)
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Power Consumption
Approximately 1 W, ensuring energy-efficient operation.
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Relay Output
1 NO per channel
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Switching Voltage
Max. 250V AC / 125V DC
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Switching Current
Max. 2 A
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Response Time
Extremely fast reaction time of less than 10 ms for critical applications.
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Mounting
Standard DIN rail (35 mm) for versatile installation.
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Protection Class
IP20, offering protection against solid objects.
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Housing Material
Durable Polycarbonate, built for resilience in industrial environments.
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Dimensions (W x H x D)
Approx. 40 mm x 110 mm x 115 mm, a compact design for space-saving installations.
-
Operating Temperature
Wide operating temperature range from -20°C to +60°C, suitable for diverse climatic conditions.
-
Approvals
Comprehensively certified with ATEX, IECEx, UL, CSA, and FM for intrinsic safety, ensuring compliance with global standards.
Applications
- Hazardous Area Monitoring: Critical interface for sensors deployed in Zone 0, 1, or 2 environments, ensuring safe data acquisition.
- Process Automation: Facilitates secure and reliable signal transmission to Programmable Logic Controllers (PLCs) or Distributed Control Systems (DCS), crucial for automated processes.
- Oil & Gas Sector: Delivers robust isolation solutions in explosive atmospheres, enhancing operational safety and regulatory compliance.
- Chemical Manufacturing Plants: Guarantees intrinsically safe communication pathways between the control room and field devices, vital for preventing incidents in volatile chemical processes.
- Pharmaceutical Production: Ideal for maintaining strict safety protocols in environments where flammable materials are present.
- Power Generation: Supports critical monitoring and control systems in potentially hazardous areas within power plants.
Why Choose the KFA6-SR2-EX2.W?
The Pepperl+Fuchs KFA6-SR2-EX2.W is an exceptional choice for any industrial application demanding intrinsically safe signal isolation. Its innovative dual-channel design, combined with its robust construction and extensive certifications, ensures reliable performance and enhanced safety in demanding environments.
Availability & Shipping
- ▸In stock: KFA6-SR2-EX2.W 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 KFA6-SR2-EX2.W ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Pepperl+Fuchs
Machine down? We ship parts the same day.
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.