Pepperl+Fuchs KFD2-SRA-Ex4

Overview

The Pepperl+Fuchs KFD2-SRA-Ex4, part number 190176, is an advanced 4-channel intrinsically safe relay interface meticulously engineered for paramount safety and reliability in industrial environments. This crucial module facilitates the secure transmission of control signals from safe areas to crucial field devices located within hazardous zones. Each of its four independent channels is equipped with a Form A (SPST NO) relay contact, making it perfectly suited for a diverse range of switching applications, including solenoid valves, LED indicators, and audible alarms. Designed with an unwavering commitment to safety-critical operations, this device boasts SIL 2 certification in accordance with the stringent IEC/EN 61508 standard. Key safety features 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 – Easily identify and reorder this essential component.
• Function: Specialized relay output designed for dependable control of devices in hazardous area.
• Channels: Features 4 independent relay outputs, offering versatile control options.
• Relay Type: SPST (Form A, normally open) for reliable and straightforward switching.
• Rated Load: Supports a robust 250 V AC / 2 A or 30 V DC / 2 A, accommodating various loads.
• Control Signal: Utilizes a standard 24 V DC logic input originating 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 valuable diagnostic information.

Technical Specifications

• Model: KFD2-SRA-Ex4
• Item Number: 190176
• Relay Output: 4 x SPST (NO) – Ensuring 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.
• 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.

Applications

The Pepperl+Fuchs KFD2-SRA-Ex4 is a versatile and indispensable component for numerous critical industrial applications, especially 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: The core application lies in intrinsically safe relay switching, ensuring the 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 Choose This Model?

Opting for the Pepperl+Fuchs KFD2-SRA-Ex4 (190176) means investing 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 highest international standards, providing peace of mind and protecting your operations. With independent channel control complemented by robust galvanic isolation, this module guarantees signal integrity and enhanced safety across all connected circuits. Furthermore, by choosing this Pepperl+Fuchs product, you benefit from the brand's legendary reliability and proven performance in the most challenging and harsh industrial environments, ensuring long-term operational stability and reduced downtime.

Order Now

The Pepperl+Fuchs KFD2-SRA-Ex4 (190176) 4-Channel Intrinsically Safe Relay Interface is readily available, ensuring fast global delivery to meet your project deadlines and operational demands. Secure this essential component today to enhance the safety and efficiency of your hazardous area applications.