Pepperl+Fuchs KFD2-SR2-EX1.W

Overview

The Pepperl+Fuchs KFD2-SR2-EX1.W (Part No. 132958) is a premium 1-channel signal isolator relay meticulously engineered for the secure transmission of control signals from hazardous atmospheres (Ex zones) to safe operational areas. This device stands as a cornerstone for industrial safety, boasting an intrinsically safe input and a dependable, fail-safe relay output. Fully certified for Safety Integrity Level 2 (SIL2) functional safety applications, it offers unparalleled protection and operational continuity. Designed for seamless integration, it excels at interfacing with a diverse range of field devices, including critical switches and proximity sensors, within explosion-prone environments, thereby safeguarding personnel and assets.

With its robust design and adherence to stringent safety standards, the KFD2-SR2-EX1.W ensures that your control systems operate with maximum security and efficiency, even in the most demanding industrial settings. Its capability to handle both Namur sensors and mechanical contacts provides versatile application possibilities, making it an indispensable component for modern process automation.

Key Features

• Functionality: Acts as a highly reliable signal isolator relay, equipped with a contact output for clear signal transmission.
• Channel Configuration: Features a single input channel expertly paired with one relay output, ensuring focused signal management.
• Input Versatility: Compatible with both NAMUR sensors (in compliance with IEC 60947-5-6) and traditional mechanical contacts for broad application.
• Output Reliability: Utilizes an SPDT (Single Pole Double Throw) relay contact, known for its switching versatility and robustness.
• Power Supply Options: Flexible power input of 20–30 VDC, conveniently supplied either through a Power Rail system or via direct terminal connections.
• High-Capacity Relay: The relay is rated for 250 V AC / 2 A, capable of managing significant electrical loads.
• Space-Saving Mounting: Designed for standard DIN rail (35 mm) mounting, facilitating easy and organized installation within control cabinets.
• Intuitive Indicators: Incorporated LED indicators provide immediate status and fault diagnostics, simplifying troubleshooting and operational monitoring.
• Compact Design: Features an ultra-slim 12.5 mm housing width, optimizing panel space without compromising performance.
• SIL2 Certification: Independently certified to Safety Integrity Level 2 (SIL2) according to IEC 61508, affirming its suitability for critical safety functions.
• Global Approvals: Carries comprehensive international certifications including ATEX, IECEx, CSA, and UL, ensuring compliance across diverse regulatory landscapes.

Technical Specifications

• Model Number: KFD2-SR2-EX1.W
• Part Number: 132958
• Input Signal: NAMUR sensor (IEC 60947-5-6) or dry contact, offering versatile connectivity.
• Output Contact: 1 changeover (SPDT) relay, providing flexible switching capabilities.
• Maximum Switching Voltage: Up to 253 V AC / 125 V DC, accommodating a wide range of control circuits.
• Maximum Switching Current: A robust 2 A, suitable for demanding industrial applications.
• Operating Temperature Range: Certified for operation in challenging environments, from -20°C to +60°C.
• Power Consumption: Highly energy efficient with a consumption of ≤ 1.5 W.
• Isolation: Features 3-way isolation (input/output/power), ensuring superior signal integrity and safety.
• Dimensions (W x H x D): Compact physical footprint of 12.5 x 119 x 114.5 mm, ideal for space-constrained installations.
• Weight: Approximately 120 g, making it a lightweight yet durable component.

Applications

• Advanced Process Automation: Essential for safe and reliable signal transmission from hazardous zones to control systems, optimizing industrial processes.
• Oil & Gas Industry: Provides critical safe interfacing for field switches and sensors in potentially explosive atmospheres, enhancing operational safety.
• Chemical Plants: Ensures explosion-proof signal relay operation, vital for managing sensitive chemical processes and maintaining safety protocols.
• Pharmaceutical Manufacturing: Integrates seamlessly into intrinsically safe control circuits, crucial for maintaining product integrity and personnel safety in pharmaceutical production.
• Safety-Critical Systems: Fully compliant with stringent SIL2 requirements, making it an ideal choice for applications where functional safety is paramount.
• Water Treatment Facilities: Utilized for monitoring and control in areas where combustible gases or dust may be present.
• Food & Beverage Processing: Ensures safe operation of machinery and sensors in environments requiring intrinsic safety and high reliability.

Why Choose This Model?

The Pepperl+Fuchs KFD2-SR2-EX1.W stands out as a superior choice for any application demanding uncompromising safety and reliability in hazardous environments. Its SIL2 certification offers tangible peace of mind, verifying its capability to perform safety-instrumented functions with a high level of integrity. The versatile input options, supporting both NAMUR sensors and mechanical contacts, ensure broad compatibility with existing and new installations, reducing complexity and integration costs.

Furthermore, its ingeniously compact DIN rail design is not merely a convenience; it represents a significant advantage by optimizing panel space, which is often at a premium in modern industrial settings. The intrinsically safe input circuitry provides an added layer of protection, preventing ignition in potentially explosive atmospheres and upholding the highest safety standards. With its reliable relay output coupled with clear LED status monitoring, operators can quickly assess the operational state and diagnose any issues, minimizing downtime and maximizing productivity. Choosing the KFD2-SR2-EX1.W means investing in a solution that combines advanced technology, stringent safety compliance, and practical design for enduring performance.

Order Now

Elevate the safety and efficiency of your industrial operations with the Pepperl+Fuchs KFD2-SR2-EX1.W SIL2 Relay. This essential piece of safety equipment is currently in stock and available for immediate dispatch, ensuring prompt delivery to your worldwide location. Secure your systems with a product synonymous with reliability and advanced safety technology.