Triconex 8312 Power Supply Module



  • Product Code: 8312
  • Availability: In Stock

Purchase Attributes:Original, Brand New

Service Attributes

▷ Stock & Logistics:Fast Delivery

▷ After-sales Guarantee:12 Months Warranty

Power : 14.8V (4 x 3.7V rechargeable lithium-ion battery)

Standard Configuration Rule: Deploy two 8312 modules in one rack for redundant power supply to eliminate single power point failure risks

Output Hold Time : 20 ms minimum 

Dimensional weight (L x W x H ) : 52 x 46 x 19

Weight : 4 Kg

Shipping Weight : 5 Kg


Triconex 8312 Power Supply Module

The Triconex 8312 is a dedicated 230VAC input redundant power supply module designed for Tricon TMR safety instrument system racks. It provides stable isolated DC power for all CPU, I/O and communication modules, meeting SIL 3 safety power supply requirements with multi-layer fault monitoring and hot-swap backup function for continuous SIS operation.

1. Core Hardware & Safety Power Features

  • 230V AC single-phase 3-wire input, rated 2.5A, operating frequency range 47Hz to 63Hz
  • Supports dual redundant parallel installation to realize seamless power backup without system power failure
  • Multi-dimensional real-time fault monitoring circuit with independent front panel status LED indicators
  • Hot-swappable design, online replacement without cutting off power to the entire Tricon rack
  • Built-in overvoltage, overcurrent, over-temperature and short-circuit automatic protection circuits
  • Isolated power output design to avoid cross-interference between safety modules and industrial field power grid
  • Full compatibility with Tricon V10 / V11 chassis backplane, matching all Triconex series CPU and I/O boards

2. Front Panel Indicator Function Description

PASS Indicator Light

Solid light means the power module operates normally with stable output voltage and no internal fault alarms.

FAIL Indicator Light

Light up when internal circuit failure, output overload or power conversion abnormality is detected.

ALARM Indicator Light

Triggered when input voltage fluctuation exceeds allowable range or abnormal power loss occurs.

TEMP & BAT LOW Indicators

TEMP light for overheat warning; BAT LOW light alerts backup battery undervoltage status.

3. Electrical & Environmental Specifications

Input Parameters: 230VAC, 2.5A, 47~63Hz single-phase three-wire power input

Operating Temperature: 0°C ~ 60°C, storage temperature -20°C ~ 70°C

EMC Performance: Anti-surge, anti-electromagnetic interference design, applicable to refinery, offshore and chemical hazardous workshops

Mechanical Standard: Standard rack plug-in structure, fully fits 8011 / 8012 Tricon main chassis backplane slot



4. Matching System Modules & Typical Collocation

Compatible CPU Modules: 3006, 3009, 2000417 Tricon safety processor units

Matching I/O Modules: 3503EN DI, 3601E DO, 3501E AI, 3623 DO, 2481 AO

Communication Modules: 4329 NCM, 4351A / 4351B TCM synchronization boards

Standard Configuration Rule: Deploy two 8312 modules in one rack for redundant power supply to eliminate single power point failure risks

5. Industrial Application Scenarios

Industry Field Safety System Core Power Supply Requirement
Offshore & Onshore Oil & Gas ESD Emergency Shutdown System Uninterrupted power supply, high anti-interference, redundant backup
Chemical Plant F&G Fire & Gas Detection System Overheat and short-circuit automatic protection, real-time fault alarm
Thermal Power Station Turbine Safety Control System Stable voltage output to guarantee high-speed safety interlock response
Petroleum Refinery BMS Burner Management System Hot-swap maintenance without interrupting flame monitoring safety logic

6. Safety Certification & Product Supply Information

  • IEC 61508 SIL3 power supply safety certification, ATEX & IECEx certificates for hazardous area installation
  • Comprehensive full-load aging testing before shipment with complete factory inspection reports
  • 12-month global warranty service, remote TriStation software power fault diagnostic technical support
  • Supporting documents include official datasheets, cabinet power wiring schematics and redundant power installation guides

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