Pepperl+Fuchs KFU8-SR-Ex1.W.LB Switch Amplifier 1-Channel Isolated Barrier NAMUR Relay Output SIL2 ATEX for Hazardous Area
Price:
negotiable
MOQ:
1
Delivery Time:
In stock
Brand:
Pepperl+Fuchs
Product Description
Pepperl+Fuchs KFU8-SR-Ex1.W.LB Switch Amplifier
The Pepperl+Fuchs KFU8-SR-Ex1.W.LB is a 1-channel isolated barrier switch amplifier from the K-System, designed for intrinsic safety applications in hazardous areas. It transfers digital signals from NAMUR sensors or dry contact mechanical switches from hazardous to safe areas with relay contact output.
Key Specifications
| Model | KFU8-SR-Ex1.W.LB |
| Product Type | Switch Amplifier / 1-Channel Isolated Barrier |
| Input Types | NAMUR (acc. to EN 60947-5-6) or Dry Contact |
| Output I | Relay Signal Output (Form C changeover) |
| Output II | Relay Signal or Fault Message Output |
| Supply Voltage | 19-30V DC / 90-253V AC 50-60Hz |
| Safety Rating | SIL 2 (SC 3) acc. to IEC/EN 61508 |
| Line Fault Detection | Yes (breakage ≤0.1mA, short-circuit >6mA) |
| Ambient Temperature | -40°C to 60°C (extendable to 70°C) |
| Dimensions | 20 x 119 x 115 mm (B2 housing) |
Key Features
Intrinsic Safety & Hazardous Area Protection
- Ex ia input protection suitable for Zone 0/1/2 hazardous areas
- ATEX, IECEx, and UL certifications for global compliance
- Comprehensive safety markings for explosive atmospheres
Functional Safety (SIL 2 Certified)
- SIL 2 (SC 3) certified according to IEC/EN 61508
- TUV Rheinland Functional Safety Certificate: 968/FSP 2319.00/22
- Suitable for safety-related applications in process industries
Universal Power Supply
- Wide-range input: 19-30V DC OR 90-253V AC (50-60Hz)
- Eliminates need for separate DC power supplies
- Compatible with global power systems
Line Fault Detection (LFD)
- Monitors field circuit for wire breakage (I ≤ 0.1 mA) and short-circuit (I > 6 mA)
- Provides diagnostic indication for preventive maintenance
- Fault relay output for remote error indication
Flexible Configuration
- DIP switch configuration for easy setup
- Switch S1: Reverses normal output state
- Switch S2: Switches output II between signal or fault message
- Switch S3: Enables/disables Line Fault Detection
Applications
| Oil & Gas | Level monitoring, flow control, valve position feedback in hazardous areas |
| Chemical / Pharmaceutical | Tank level measurement, reactor monitoring, process control |
| Power Generation | Turbine monitoring, boiler control, coal handling systems |
| Mining | Conveyor monitoring, equipment control in explosive atmospheres |
| Water/Wastewater | Pump control, level switching in potentially explosive environments |
Certifications & Compliance
| ATEX | FIDI 22 ATEX 0029X |
| IECEx | IECEx FIDI 22.0003X |
| SIL 2 | 968/FSP 2319.00/22 (TUV Rheinland) |
| UL/cULus | E106378 |
| CCC Ex | 2023322316005169 |
| DNV Marine | TAA00001WX |
| RoHS & CE | Compliant |
Technical Support
Contact us for technical specifications, complete datasheets, volume pricing, installation guidance, functional safety documentation, and application engineering support.
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Company
Shenzhen Hengyo Power Technology Co., Limited
Location
Room 2407, B Block No.145 Chengshi Zhuchang Bld, Bagua 2nd Rd, Futian Dist. Shenzhen City, China 518029
Contact Person
Vivian Chan