The Triconex 3301 main processor module is the brain of Invensys Triconex TMR safety instrumented system. It executes control logic, data processing and system management, widely used in oil & gas, chemical and power industries.


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Triconex 3301 adopts TMR triple modular redundant fault‑tolerant design
High‑speed logic processing and system central control function
Built‑in fault self‑diagnosis and real‑time monitoring
Strong anti‑interference for complex industrial working conditions
Standard rack‑mount structure, easy installation and debugging
Core control unit ensuring stable operation of safety system
High safety level, suitable for high‑risk industrial process control
Low failure rate, avoiding system shutdown risks
Original new and cost‑effective refurbished available


Oil & Gas, Offshore Platforms
Petrochemical & Chemical Plants
Thermal Power Generation
Coal Chemical & Energy Industry
Metallurgy, Mining, Pharmaceutical Manufacturing
SIS, ESD, Fire & Gas Safety Monitoring Systems
Model: Triconex 3301
Brand: Triconex (Invensys)
Type: Main Processor Module / CPU Module
System: TMR Safety Instrumented System (SIS)
Compatibility: Tricon 3000 Series
Operating Temperature: 0℃ ~ 60℃
Storage Temperature: -40℃ ~ 85℃
Humidity: 5%–95% non‑condensing
Mounting: Rack‑mounted
Do you provide global shipping services?
Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.
2. What payment methods and currencies do you accept?
To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.
How many parts do you currently have in stock?
We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.
Who can I contact if I encounter any problems?
Our experienced customer service team will handle any issues after you place your order.