PRODUCT DESCRIPTION
PEPPERL & FUCHS 70133142 - KFD2-SR2-EX1.W Safety Relay Switch Amplifier
This K-System switch amplifier with an integrated safety relay is designed for intrinsically safe signal processing from NAMUR sensors or mechanical contacts in hazardous areas. It provides a single safety relay output for critical control applications, ensuring functional safety up to SIL 3 and PL e in accordance with IEC 61508 and ISO 13849-1. The module facilitates reliable signal isolation and conversion for emergency shutdown systems, fire and gas detection, and process safety loops.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Safety Relay Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- POWER CONSUMPTION: 1.5W typical
- OUTPUT CONTACT RATING: 250VAC/2A, 30VDC/2A (resistive load)
- INTERFACE/CONTROL:
- INPUT CHANNELS: 2-channel for NAMUR proximity sensors or mechanical contacts
- OUTPUT CHANNELS: 1 safety relay output (1 NO/NC contact pair)
- ISOLATION: Galvanic isolation between input, output, and power supply
- PERFORMANCE:
- RESPONSE TIME: < 20 ms
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL 3 (IEC 61508/IEC 61511)
- PERFORMANCE LEVEL (PL): Up to PL e (ISO 13849-1)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail mount
- OPERATING TEMPERATURE: -20 to +60 °C
- HAZARDOUS AREA APPROVAL: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I (for input circuit)
- COMPATIBILITY/APPLICATION:
- TARGET APPLICATIONS: Emergency shutdown (ESD) systems, fire and gas (F&G) systems, process safety loops, intrinsically safe signal conditioning
- INPUT DEVICE COMPATIBILITY: NAMUR sensors, limit switches, push buttons in hazardous locations