PRODUCT DESCRIPTION
PEPPERL & FUCHS 131001 - KFD2-SR2-EX1.W.SM Intrinsic Safety Barrier
This K-System intrinsic safety barrier, model KFD2-SR2-EX1.W.SM, provides reliable signal conditioning and galvanic isolation for two-channel applications in hazardous areas. It interfaces NAMUR sensors or mechanical contacts located in Zone 0/1/2 with safe area control systems, ensuring functional safety up to SIL 2.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-30 VDC
- POWER CONSUMPTION: <= 1.5 W
- OUTPUT TYPE: 2 x Changeover Relay (SPDT)
- OUTPUT CONTACT RATING: 250 VAC / 2 A / 500 VA (resistive) 125 VDC / 0.4 A / 50 W (resistive)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact DIN rail module
- CONNECTION TYPE: Screw terminals
- INTERFACE/CONTROL:
- INPUT TYPE: 2-channel for NAMUR sensors or mechanical contacts
- SIGNAL PROCESSING: Digital input (switch/proximity sensor)
- FAULT DETECTION: Line fault detection (LFD) for open and short circuits
- ISOLATION: Galvanic isolation between input, output, and power supply
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING STYLE: 35 mm DIN rail
- OPERATING TEMPERATURE: -20 to +60 °C
- COMPATIBILITY/APPLICATION:
- FUNCTIONAL SAFETY RATING: Up to SIL 2 (IEC/EN 61508)
- HAZARDOUS AREA APPROVALS: ATEX, IECEx, cULus (for intrinsically safe circuits)
- TARGET SYSTEMS: Process control systems, Safety Instrumented Systems (SIS)
- APPLICATION: Interfacing sensors/switches in hazardous areas with safe area control systems