PRODUCT DESCRIPTION
PEPPERL & FUCHS 3261610047 - Intrinsically Safe Switch Amplifier
The PEPPERL & FUCHS 3261610047, identified as the KFD2-SR2-EX1.W, is a K-System switch amplifier engineered for intrinsic safety applications. It provides galvanic isolation and signal conditioning for NAMUR sensors or mechanical contacts located in hazardous areas, delivering reliable relay outputs to the safe area control system. This module ensures compliance with explosion protection directives while facilitating robust process control.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2-SR2-EX1.W
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier with Relay Output
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (via Power Rail or terminals)
- POWER CONSUMPTION: Approximately 1.5W
- INPUT: 1-channel intrinsically safe input for NAMUR proximity sensors (EN 60947-5-6) or potential-free contacts
- OUTPUT: 2 normally open (NO) relay contacts, rated up to 250VAC/2A or 30VDC/2A
- MECHANICAL/PHYSICAL:
- DIMENSIONS: 20mm (W) x 119mm (H) x 115mm (D)
- HOUSING: Compact polyamide housing
- WEIGHT: Approximately 150g
- INTERFACE/CONTROL:
- SIGNAL TYPE: Digital input from hazardous area, relay output to safe area
- DIAGNOSTICS: LED indicators for operating status, switching state, and line fault detection (open/short circuit)
- ISOLATION: Galvanic isolation between input, output, and power supply
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail mounting
- OPERATING TEMPERATURE: -20°C to +60°C
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, cULus (for intrinsically safe circuits)
- COMPATIBILITY/APPLICATION:
- FUNCTION: Signal conditioning and isolation for sensors in hazardous areas (Zone 0, 1, 2)
- TARGET APPLICATIONS: Process control, chemical processing, oil and gas, pharmaceutical manufacturing, water treatment, and other industries requiring explosion protection for field devices.