Lambda P0904HN LZS 1500-3FOX Industrial Power Supply 

The Lambda LZS 1500-3FOX (P0904HN) is a high-power enclosed switching power supply customized for Foxboro I/A Series DCS racks. Developed by TDK-Lambda, this unit converts AC mains input into multiple regulated DC outputs to power controllers, I/O modules and communication boards inside the distributed control system.

This power supply belongs to the LZS-1500 series, equipped with built-in cooling fans and comprehensive electronic protection. It is a customized OEM version designated for Foxboro DCS, widely supplied as critical spare parts for power plant, petrochemical and oil & gas control system maintenance projects.

Main Specifications

• Brand: Lambda (TDK-Lambda)
• Model: LZS 1500-3FOX, Part No. P0904HN
• Product Type: High Power Enclosed Industrial Switching Power Supply
• OEM customized for Foxboro I/A Series Distributed Control System
• Wide range AC input for industrial power grid environment
• Integrated OVP, OCP and thermal shutdown protection circuits
• Dual built-in cooling fans for continuous high-load operation
• LED indicators for operating status and fault alarms
• Operating Temperature Range: 0°C ~ +60°C
• Chassis mounting design for DCS control cabinet installation

Core Functions

• Convert alternating current into multiple stable DC outputs for Foxboro DCS rack modules
• Provide reliable power source for processors, analog and digital I/O boards
• Multi-layer protection prevents hardware damage caused by power fluctuation and overload
• Efficient forced-air cooling ensures stable performance under long-term full load
• Support parallel redundant operation to improve overall system availability
• Suppress surge and electromagnetic interference from factory power supply network
• Standard customized interface matching Foxboro I/A Series rack wiring requirements
• Front panel status indicators help technicians quickly identify power supply faults
• Reduce unexpected production shutdown risks caused by power supply failure
• Easy disassembly and replacement for on-site maintenance of DCS control systems

Application Scenarios

• Thermal power plant Foxboro I/A Series distributed control system racks
• Petrochemical plant continuous process monitoring and control cabinets
• Oil & gas processing plant pipeline safety control automation platforms
• Pulp and paper manufacturing production line DCS control equipment
• Fertilizer plant high-pressure production process monitoring control units
• Waste incineration power station boiler auxiliary equipment control systems
• Municipal water and sewage treatment plant process control cabinets
• Chemical reactor safety interlock and parameter monitoring control systems
• Retrofit, maintenance and spare parts replacement of existing I/A Series DCS
• Lambda industrial power supply spare parts inventory and field emergency replacement projects