TRICONEX 8312 (SIS System Redundant Power Module) Brand / Series: TRICONEX (a subsidiary of Schneider Electric), Tricon Safety Control System Model: 8312 Type: System-level redundant power supply (24VDC output), supplying power to Tricon racks and I/O units, not an I/O card. ## I. Basic Parameters Input Voltage: AC: 100～240V AC (auto-adaptive) DC: 9～36V DC (24V DC commonly used) Output: 24V DC / 12A, rated power 288W Redundancy: Dual-channel input, N+1 redundancy, hot-swap support (live replacement) Efficiency / Protection: High-efficiency conversion; overvoltage / overcurrent / overtemperature protection, LED status indication Operating Temperature: 0℃～+50℃; Storage Temperature: -20℃～+60℃ Dimensions / Weight: Approx. 412×178×62mm; Approx. 3.2kg ## II. Functions & Architecture Core System Power Supply: Supplies power to the backplane, TriBus, CPU (3501E/3008) and all I/O modules (3503E/3604E/3721/3511/4351B) of Tricon 57XX/58XX series 14-slot racks. TriBus Redundancy: The backplane is integrated with a triple modular high-speed bus, supporting 2-out-of-3 (2oo3) voting logic. Diagnosis & Alarm: Real-time monitoring of power status, load and faults, with panel LED indicators and upper computer system alarms. ## III. Typical Configuration & Application Standard Configuration: Dual redundant power supplies (8312×2) for Tricon racks, eliminating single point of failure. Compatible Modules: Main Control: 3501E, 3008 DI: 3503E; DO: 3604E; AI: 3721; Pulse: 3511; Communication: 4351B Industry Applications: Oil & gas, chemical, power industry SIS/ESD systems, F&G fire and gas systems, and critical unit interlock control.