Triconex 8312 Key features
Redundant dual-power design enables full system operation from a single module
Hot-swappable module allows replacement without system shutdown
Advanced diagnostics include PASS, FAULT, ALARM, TEMP, and BAT‑LOW indicators
High current output supports multiple modules under heavy load
Robust isolation and over‑temperature protection ensure safety in harsh environments

Performance comparison
Power Module Model | 8310 | 8311 | 8312 |
Chassis Type | Main/Expansion/RXM | Main/Expansion/RXM | Main/Expansion/RXM |
Nominal Voltage | 120 VAC/VDC | 24 VDC | 230 VAC |
Input VAC @ 47 - 63 Hz | 85 - 140 | n/a | 185 - 285 |
Input VDC | 95 - 180 | 22 - 31 | n/a |
Fuse Rating and Type | 5 amps, time - delay | 15 amps, time - delay | 2.5 amps, time - delay |
Output Hold Time (nominal to 0 volts) | 20 ms minimum | 2.8 ms minimum | 20 ms minimum |
Diagnostic Indicators | PASS, FAULT, ALARM, TEMP, BATT LOW | PASS, FAULT, ALARM, TEMP, BATT LOW | PASS, FAULT, ALARM, TEMP, BATT LOW |

Summary:
The 8312 supports 230 VAC input. Other models in the same family offer differing input types: the 8310 uses 120 VAC/VDC, and the 8311 uses 24 VDC. All share similar output capabilities and diagnostics.
Typical cooperation cases
Global Refinery Safety Systems
8312 modules power safety controllers and I/O in redundant racks, supporting online module swaps without interrupting operations.
Nuclear Power Facilities
Certified for high-reliability settings; diagnostic signaling ensures early alert on battery or temperature issues.
Offshore Oil Platforms
Used in marine-grade enclosures; robust isolation and over-temperature protection maintain reliable performance in extreme conditions.
Power Generation Plants
Supplies power to TMR racks across distributed control systems, ensuring compliance with SIL 3 and continuous operation during maintenance.
