Description

Brief Product Description

The Pepperl+Fuchs LB9006C is a high-efficiency power supply module designed to provide regulated voltage to I/O modules and gateway units within the LB Remote I/O system. It features robust galvanic isolation and explosion protection, ensuring stable operation in Zone 2 hazardous areas and safety-critical industrial environments.

Reliable Power Distribution for Remote I/O Systems

The Pepperl+Fuchs LB9006C serves as the central energy source for backplane-mounted components, supplying consistent power to both communication gateways and I/O modules. By utilizing advanced power conversion technology, the module provides two distinct output rails: a 5.4 W (P5V) line and a high-capacity 12-volt line. In standard safe-area configurations, the 12V rail delivers up to 39 W, while in Zone 2 applications, it provides a steady 25 W. This dual-output capability ensures that complex rack configurations receive the necessary wattage for high-speed data processing and field device excitation.

Galvanic Isolation and Safety Compliance

Safety remains a core feature of the LB9006C architecture. The module provides full galvanic isolation between the input source and the output load, effectively preventing ground loops and protecting sensitive backplane electronics from upstream electrical transients. Consequently, the unit complies with the rigorous EN 60950-1 safety standards. Furthermore, the module includes a prominent front-panel LED status indicator. This visual aid immediately notifies maintenance personnel of power availability, automatically extinguishing if a voltage drop or input failure occurs.

Engineered for Hazardous and Corrosive Environments

Industrial facilities often expose hardware to chemical stress and volatile atmospheres. The LB9006C addresses these challenges with an ATEX-certified design, carrying the II 3 G Ex nA IIC T4 Gc marking for safe deployment in Zone 2 hazardous locations. Additionally, the internal circuitry is hardened against corrosive gases, meeting ISA-S71.04-1985 G3 severity levels. This resilience, combined with a wide operating temperature range of -20°C to +60°C, ensures that the power supply performs reliably in unconditioned cabinets and remote field stations.

Key Technical Characteristics

• Dual Output Capability: Supplies P5V (5.4 W) and P12V (up to 39 W) to support diverse backplane loads.
• Hazardous Area Certification: Certified for Zone 2 use with Ex nA (non-sparking) protection.
• Environmental Protection: Rated for G3 harsh environments and altitudes up to 2000 meters.
• Compact Integration: Features a space-saving 32.5 mm width to optimize backplane density.
• EMC Compliance: Meets Directive 2014/30/EU and EN 61326-1:2013 for electromagnetic compatibility.
• Robust Isolation: Ensures complete separation of primary and secondary circuits per EN 60950-1.

Technical Specifications