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Pepperl+Fuchs KFD2-SRA-Ex4

by Pepperl+Fuchs

OverviewThe Pepperl+Fuchs KFD2-SRA-Ex4, identified by part number 190176, is an advanced 4-channel intrinsically safe relay interface specifically engineered for superior safety and dependability in industrial settings. This essential module enables the secure transmission of control signals from safe areas to critical field equipment located within hazardous zones. Each of its four independent channels features a Form A (SPST NO) relay contact, making it perfectly suitable for a wide array of switching tasks, including solenoid valves, LED indicators, and audible alarms. Designed with a strong commitment to safety-critical operations, this device holds SIL 2 certification in accordance with the strict IEC/EN 61508 standard. Key safety attributes include robust galvanic isolation, intelligent line fault detection capabilities, and a remarkably compact 40 mm DIN rail housing that optimizes panel space.Key Features MFG Item Number: 190176 – Simplifies identification and reordering. Function: Specialized relay output for reliable control of equipment in hazardous locations. Channels: Four independent relay outputs provide flexible control options. Relay Type: SPST (Form A, normally open) for straightforward and dependable switching. Rated Load: Supports 250 V AC / 2 A or 30 V DC / 2 A, accommodating various loads. Control Signal: Utilizes a standard 24 V DC logic input from the safe area. SIL 2 Certified: Achieves Systematic Capability SC 3 for demanding safety instrumented systems. Galvanic Isolation: Comprehensive isolation across input, output, and power circuits for enhanced safety and signal integrity. Mounting: Designed for efficient DIN rail mounting with a space-saving 40 mm housing width. LED Indicators: Integrated LEDs provide real-time channel status and diagnostic information. Technical Specifications Model: KFD2-SRA-Ex4 Item Number: 190176 Relay Output: 4 x SPST (NO) – Ensures reliable switching actions. Control Voltage: 24 V DC (20–30 V) – Standard industrial control voltage. Max Switching Current: 2 A – Capable of handling significant loads. Response Time: <10 ms – Fast and precise signal execution. Power Consumption: Approximately 2.6 W – Energy-efficient operation. Isolation Voltage: 375 V AC – High level of electrical isolation for safety. Protection Class: IP20 – Protection against solid objects. Operating Temperature Range: –20 °C to +60 °C – Suitable for a wide range of industrial environments. Mounting: DIN rail (EN 60715) – Easy and secure installation. Certifications: ATEX, IECEx, UL, CE, SIL 2 – Global compliance for hazardous areas. ApplicationsThe Pepperl+Fuchs KFD2-SRA-Ex4 is a versatile and essential component for numerous critical industrial applications, particularly where intrinsic safety and precise signal control are paramount: Process Automation: Provides secure and reliable signal transmission from Programmable Logic Controllers (PLCs) to various field devices within hazardous zones. Hazardous Areas: Primary application involves intrinsically safe relay switching, ensuring safe operation of equipment in potentially explosive atmospheres. Safety Systems (SIS): Ideal for critical control outputs within Safety Instrumented Systems, meeting the rigorous demands of SIL 2 applications. Alarm and Control Circuits: Effectively switches indicators, buzzers, and automated valves, enhancing operational safety and response. Oil, Gas, and Chemical Industries: Offers reliable signal isolation, control, and safeguarding of personnel and assets in demanding and hazardous environments. Why ChooseChoosing the Pepperl+Fuchs KFD2-SRA-Ex4 (190176) signifies an investment in uncompromised safety, efficiency, and reliability for your critical industrial processes. Its compact design facilitates 4-channel switching within a minimal footprint, maximizing panel space. The integral SIL 2 compliance ensures that your safety instrumented systems meet the most stringent industry standards.Order NowOptimize your industrial safety and control systems. Add the Pepperl+Fuchs KFD2-SRA-Ex4 to your cart today.FAQWhat is the primary function of the KFD2-SRA-Ex4?Its primary function is to provide a 4-channel intrinsically safe relay interface for transmitting control signals from safe areas to devices in hazardous zones, ensuring safe operation in potentially explosive atmospheres.What certifications does this device hold?The KFD2-SRA-Ex4 is certified with ATEX, IECEx, UL, CE, and SIL 2, indicating its compliance with global safety standards for hazardous environments and functional safety.What types of loads can this relay module switch?This module can reliably switch loads up to 250 V AC / 2 A or 30 V DC / 2 A, making it suitable for a variety of industrial devices such as solenoid valves, LED indicators, and alarms.

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