You are here:
SKU: 8312

Triconex 8312 Invensys High-Density Power Supply Module

The Triconex 8312 is a high-reliability 24 VDC Power Supply Module designed for the Tricon TMR system. It provides stable, redundant power to the chassis backplane, ensuring continuous operation of safety-critical processors and I/O modules in demanding industrial environments.

Product Description

The Triconex 8312 operates as a primary power conversion component within the Tricon Triple Modular Redundancy (TMR) chassis. This module converts line voltage into the regulated DC power required by the backplane to drive main processors, I/O modules, and communication interfaces. Because safety systems demand unwavering stability, the 8312 features advanced filtering and regulation circuitry to protect sensitive logic components from electrical noise and voltage fluctuations.

Furthermore, the 8312 supports redundant configurations, which allows multiple power modules to share the load within a single chassis. If one unit encounters a fault, the remaining modules immediately assume the full load without interrupting system logic or process control. This seamless transition ensures that the safety-instrumented system (SIS) remains online during power-related events. Additionally, the module includes internal diagnostics that constantly monitor health status, alerting operators to any performance degradation before a failure occurs.

Key Technical Characteristics

  • Manufacturer: Triconex (Schneider Electric / Invensys)
  • Model Identification: 8312
  • Component Type: Chassis Power Supply Module
  • Input Voltage: 24 VDC (Nominal)
  • Output Power: High-capacity wattage designed for fully populated TMR chassis
  • Redundancy Support: Dual or Triple redundant load-sharing capabilities
  • Diagnostic Features: Front-panel LED status indicators and system-level alarms
  • Efficiency: High-efficiency conversion to minimize heat dissipation within the rack
  • Weight: 3.1 kg
  • Module Width: Double-slot width for enhanced cooling and power density
  • Manufacturing Origin: USA

Operational Applications

Industrial facilities rely on the 8312 to maintain the integrity of their safety infrastructure. Specifically, this module provides essential power in the following scenarios:

  • Safety Instrumented Systems (SIS): Providing the foundational power for logic solvers in SIL 3 environments.
  • Critical Control Racks: Powering high-density I/O configurations where consistent voltage is mandatory.
  • Continuous Process Industries: Ensuring uptime in oil refineries and chemical plants where power loss results in hazardous shutdowns.
  • Remote Instrument Enclosures: Operating reliably in various environmental conditions due to its industrial-grade thermal management.