DESCRIZIONE PRODOTTO
PEPPERL & FUCHS 84200 - K-System Intrinsic Safety Barrier - Switch Amplifier
The PEPPERL & FUCHS 84200 is a two-channel K-System intrinsic safety barrier, functioning as a switch amplifier for reliable signal conditioning between hazardous and safe areas. It provides galvanic isolation and controls safe-area loads based on inputs from NAMUR proximity sensors or mechanical contacts located in explosion-risk environments. This device ensures energy limitation to field devices, critical for process control and monitoring applications requiring explosion protection.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (Nominal 24VDC)
- INPUT: 2-channel, NAMUR sensor (EN 60947-5-6) or potential-free contact
- OUTPUT: 2-channel, Relay (SPDT/Changeover Contact)
- SWITCHING CAPACITY: 250VAC/2A/500VA (resistive), 30VDC/2A/60W (resistive)
- PERFORMANCE:
- RESPONSE TIME: < 10 ms
- SWITCHING FREQUENCY: 0 to 5 kHz
- INTERFACE/CONTROL:
- SIGNAL INPUT: NAMUR (per EN 60947-5-6) or dry contact
- SIGNAL OUTPUT: Potential-free relay contact
- INDICATORS: LEDs for switching state and fault
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN Rail
- OPERATING TEMPERATURE: -20 to +60 °C
- SAFETY/COMPLIANCE:
- EXPLOSION PROTECTION: ATEX, IECEx, UL, cUL (Ex ia IIC, Ex ia IIB)
- ISOLATION: Galvanic isolation between input, output, and power supply
- APPLICATION: Signal conditioning and switching for hazardous area sensors in process automation, chemical plants, oil & gas, and pharmaceutical manufacturing.
