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The new Schneider Electric Triconex 3625A makes a strong appearance, and the TMR architecture reshapes the new standard for safety control high-risk industries.

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The new Schneider Electric Triconex 3625A makes a strong appearance, and the TMR architecture reshapes the new standard for safety control high-risk industries. Jan 17, 2026

The new Triconex 3625A makes a strong appearance, and the TMR architectureapes the new standard for safety control in high-risk industries.


Recently, Triconex, a brand under the global industrial automation leader Schneider Electric, officially launched the upgraded digital module of the 3000 series - Triconex 3625A. As a core component tailor-made for the safety instrumented system (S), this module, with its TMR architecture, 32-channel high-density design, and wide environmental adaptability, provides high-reliability and high-f-tolerance safety control solutions for high-risk industries such as oil, chemical, and power, marking a new breakthrough in the field of industrial safety control in terms of redundant technology and precise control.


TMR Redundancy Architecture   SIL3 Certification, Strengthening the "Life Line" of Safety Control
The core competitiveness of Triconex 3625A comes from its mature TMR (Triple Module Redundancy) technology architecture. By synchronously executing control tasks through three independent sub-circ and adopting a median voting mechanism to achieve fault tolerance, even if a single sub-circuit fails, the module can still maintain stable output, completely avoiding system downtime or safety accidents by single point of failure. The module has passed the SIL3 (Safety Integrity Level) certification and fully meets the international industrial safety standards such as API 61 and IEC 61508, providing compliance assurance for safety-critical scenarios such as emergency shutdown system (ESD), valve actuator control, and safe start stop of the motor.
In terms of electrical performance, the module adopts a 24VDC nominal output design, with a wide voltage range of 16-3VDC, a maximum output current of 1.7A per channel, and can withstand a surge current of 7A lasting 10ms. The minimum load current only 10mA, which can flexibly adapt to a variety of industrial actuators such as relays, solenoid valves, and alarms. The 150VDC isolation voltage between channels and the optical isolation design effectively block on-site electromagnetic interference and signal crosstalk, ensuring the stability of signal transmission in complex industrial environments The load leakage current is controlled within 4mA, and the power consumption is less than 13W, achieving a dual balance between energy saving and reliable operation.
HighDensity Design   Intelligent Diagnosis, Balancing Efficiency and Maintainability
In view of the dual needs of space utilization and maintenance efficiency on the industrial site,triconex 3625A adopts a 32-channel high-density integrated design, achieving centralized control of multiple devices within a compact size of 11x71x95mm, significantly reducing the space occupied by rack installation and reducing the system integration cost. The module supports the common ground on-site power supply configuration, simplifies the complexity of on-site wiring, and, combined with the standard Triconex system rack slot-in installation, can achieve quick plugging and system expansion to meet flexible deployment needs of projects of different sizes.

In terms of ease of maintenance, this module is equipped with a built-in real-time selfdiagnosis function, which can continuously monitor the output status and line integrity, and provides visual status feedback for each output point through the "Pass/Fault/Load/Active" four groups of LED indicator lights — staff can quickly locate the fault channel through the indicator lights without disassembling the module to complete troubleshooting, reducing the mean time to repairMTTR) by more than 60%. At the same time, the module is compatible with mainstream communication protocols such as Modbus, RS-232, etc, and can be seamlessly connected to the full series of Triconex safety control systems, achieving plug-and-play integration with other controllers and modules, without the need for protocol conversion or hardware modification. 

Wide-ranging environmental adaptability   multi-industry coverage, unlocking full-scene application possibilities
The Triconex 3625A excels in environmental adaptability, with a working temperature range covering -20℃ to 70℃, it can easily cope with extreme temperature conditions as high-temperature workshops and outdoor equipment areas, and it also has the ability to resist vibration and electromagnetic interference, perfectly compatible with harsh industrial environments such as oil drilling platforms, chemical areas, and power boiler control rooms. Its lightweight design of 2.5-2.97kg and rack-mounted installation structure further expand the application boundary in space-rained scenarios such as mobile devices and compact control cabinets.

At present, this module has been implemented in multiple industries around the world: in the oil and gas industry, it used for wellhead emergency shut-off systems to ensure the safety of drilling operations; in the chemical industry, it adapts to the temperature and pressure interlocking control of reactors prevent overheating and overpressure risks; in the power industry, it serves the safety protection system of generator sets to improve the stability of power supply; in the pharmaceutical industry, meets the requirements of sanitary and safe control in the production process to ensure the compliance of product quality. Schneider Electric's Director of Technology for the Industrial Automation Division stated that development of the Triconex 3625A has always focused on the core demand of "safety first, efficiency upgrade", and through the deep integration of redundancy and intelligent design, it helps enterprises to reduce safety risks while improving the continuity of production and maintenance efficiency.

Enabling industrial safety upgrade, leading industry sustainable development
As important upgrade product of the Triconex 3000 series, the launch of the 3625A further completes the Schneider Electric industrial safety control product matrix and its seamless compatibility with the Triconex SIS platform provides users with a full-link safety solution from sensor acquisition, logic control to actuator drive. The module is in mass production and delivery around the world, and a complete set of technical manuals and installation guides are provided to support users from system integration, commissioning and calibration to later throughout the entire life cycle.

Industry insiders analyze that as the requirements for intelligent and redundant safety control in Industry 4.0 continue to improve, the Triconex 3625A, with the high reliability of the TMR architecture, the spatial advantages of the high-density design, and the flexible scenario adaptability of the-ranging adaptation, will become the preferred component for the upgrade of safety systems in high-risk industries. Its application can not only help enterprises reduce unplanned downtime losses and reduce the of safety accidents, but can also promote the transformation of industrial safety control to "active defense, precision control", and inject safety power into the sustainable development of the industry.

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