ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 037041 - KFD2-SR2-EX1.W Intrinsic Safety Barrier / Switch Amplifier
This intrinsic safety barrier, part of the K-System series, provides reliable signal conditioning and galvanic isolation for operating NAMUR proximity sensors or mechanical contacts located in hazardous areas. It features a single-channel design with a relay output, ensuring safe interface between field devices in explosive atmospheres and control systems in non-hazardous zones. Engineered for applications requiring high functional safety, it meets stringent international hazardous area certifications.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W)
- COMPONENT TYPE: Intrinsic Safety Barrier / Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- POWER CONSUMPTION: 1.5 W
- OUTPUT CONTACT RATING: 250 VAC / 2 A 125 VDC / 0.5 A 30 VDC / 2 A
- INTERFACE/CONTROL:
- INPUT: 1-channel for NAMUR proximity sensors (EN 60947-5-6) or potential-free contacts
- OUTPUT: 1 changeover relay contact
- INDICATORS: Power LED, Switch Status LED, Fault LED
- FEATURES: Line fault detection (open/short circuit), selectable NO/NC operation
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 to +60 °C
- MOUNTING: 35 mm DIN rail
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, cULus [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
- COMPATIBILITY/APPLICATION:
- FUNCTIONAL SAFETY: Up to SIL 2 (IEC 61508/IEC 61511)
- TARGET SYSTEMS: Process control, safety instrumented systems (SIS), hazardous area monitoring
- FIELD DEVICES: NAMUR sensors, mechanical switches in Zone 0, 1, 2 (gas) and Zone 20, 21, 22 (dust)
