TRICONEX 8305A power module

TRICONEX 8305A (Schneider’s Invensys TRICONEX rack power module for Tricon triple redundant safety control system), including core parameters, status, price, and application, while clarifying model positioning confusion in the market.
Core positioning and functions
Belonging to the 8300 series power module, with dual redundant configuration, each module can independently provide full power supply for the entire rack; Compatible with Tricon system, meeting SIL3 safety level requirements, used for critical safety control such as ESD, FGS, TMC, etc.
Input 120V AC/DC to provide stable rack backplane DC output; Equipped with overvoltage, overcurrent, and short-circuit protection, as well as comprehensive self diagnosis and LED status indication; Support hot plugging and non-stop maintenance.
Often interchanged/redundantly paired with power supplies of the same series as 8300A and 8310.
Key technical parameters
Parameter values
Input voltage 120 V AC/DC
Fuse specification 4 A, 125 V
Output 4 A stabilized DC (compatible with Tricon backplane)
Working temperature -40 ° C to 70 ° C
Humidity 5% -95% without condensation
Size 7.6 cm x 17.8 cm x 40.6 cm (3.0 “x 7.0” x 16.0 “)
Weight approximately 2.2 kg
Certification IEC 61508, SIL3, T Ü V Rheinland

Shutdown and Supply Status (March 2026)
The original factory has not issued a formal shutdown announcement, but it is a mature model, and the new generation Tricon CX matching power supply is recommended as a priority; There is a quota for original brand new goods in the market, with a futures cycle of 6-12 weeks, and sufficient inventory of second-hand/refurbished/spare parts.
There is no mandatory elimination date, and the Tricon system is still widely used in operation, with stable channels for maintenance and spare parts.
Market price reference (with/without significant differences in tax)
Common confusion clarification
Some suppliers mistakenly refer to it as an “analog input module” (AI modules are generally 3700/3701/3721, etc.); 83xx is the prefix for the power module number, 81xx is mostly for I/O expansion, and 30xx is the main processor.
Applicable rack: Tricon standard rack (such as 8101, etc.), each rack is equipped with 2 power modules for dual redundancy.
Typical application industries
Scenarios requiring SIL3 Safety Instrumented Systems (SIS) include oil and gas, refining and chemical, coal chemical, nuclear/thermal power, offshore platforms, and long-distance pipelines.