ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 291119 - K-System Intrinsic Safety Barrier Switch Amplifier
This K-System intrinsic safety barrier, identified by part number 291119, is a single-channel switch amplifier engineered for the safe operation of discrete input devices located in hazardous areas. It provides galvanic isolation between the hazardous and safe areas, preventing energy transfer capable of igniting explosive atmospheres. The unit features a robust relay output for reliable interfacing with industrial control systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier, 1-channel
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- POWER CONSUMPTION: 1.5 W (typical)
- OUTPUT: 1x SPDT Relay (changeover contact)
- SWITCHING CAPACITY: 250 VAC/DC, 2 A, 500 VA (resistive load)
- INTERFACE/CONTROL:
- INPUT: 1-channel for NAMUR sensors or dry contacts
- RESPONSE TIME: < 20 ms
- INDICATORS: Status LEDs for switching state and fault
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail
- OPERATING TEMPERATURE: -20°C to +60°C
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL (e.g., [Ex ia Ga] IIC, [Ex ia Da] IIIC)
- COMPATIBILITY/APPLICATION:
- FUNCTIONAL SAFETY: Up to SIL 2 (IEC 61508)
- ISOLATION: Galvanic isolation between input, output, and power supply
- TARGET SYSTEMS: PLC, DCS, SIS in process automation, chemical, oil & gas industries
- INPUT DEVICES: NAMUR proximity switches, limit switches, push buttons in Zone 0, 1, 2, 20, 21, 22