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Triconex 3501TN2 Tricon Analog Input Module Safety System Spare Part

The Triconex 3501TN2 analog input module is an essential component of the Tricon triple modular redundant (TMR) safety system, manufactured by Invensys Triconex. It provides stable analog signal collection and transmission for critical industrial control systems, widely used in oil & gas, chemical, power generation and other high‑safety‑requirement fields. Our company supplies genuine Triconex 3501TN2 modules, including brand‑new original and tested refurbished units, supporting global supply and technical consultation.

Description
Product Description:

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The Triconex 3501TN2 analog input module is a core spare part of the Tricon TMR safety system, designed to meet high‑reliability and high‑safety requirements in industrial process control. It is specially applied in safety instrumented systems (SIS), emergency shutdown systems (ESD), fire and gas monitoring systems in heavy‑duty industrial fields.
This module features stable signal acquisition, anti‑interference performance and long‑term stable operation, which can effectively improve the safety and stability of the whole control system. It is compatible with other Triconex series modules, easy to install and maintain.
We supply genuine Triconex 3501TN2 modules, including brand‑new original and professionally refurbished products. All refurbished modules have passed strict testing to ensure performance meets factory standards. We offer worldwide delivery, competitive price and one‑stop technical service for global industrial automation customers.


Triconex 3501TN2 Technical Specifications:

Triconex 3501TN2 Technical Specifications

Basic Information

  • Model Number: Triconex 3501TN2

  • Brand: Triconex (Invensys)

  • Product Type: Analog Input Module

  • System Type: Triple Modular Redundant (TMR) Safety Instrumented System (SIS)

  • Application: Industrial Safety Control, DCS, ESD System, Fire & Gas System

Electrical & Performance Parameters

  • Signal Type: Analog Input

  • Operating Voltage: Standard industrial control voltage

  • Working Temperature: 0℃ ~ 60℃

  • Storage Temperature: -40℃ ~ 85℃

  • Humidity Range: 5%–95% Non‑condensing

  • Reliability: High safety integrity level, fault‑tolerant design

  • Compatibility: Compatible with Tricon 3000 Series System

Physical Specifications

  • Condition: Original New / Refurbished Tested

  • Weight: Standard industrial module weight

  • Mounting: Rack‑mounted installation

  • Application Industries: Oil & Gas, Petrochemical, Power Plant, Chemical Industry

Triconex 3501TN2 Tricon Analog Input Module Safety System Spare Part

Triconex 3501TN2 Tricon Analog Input Module Safety System Spare Part

Triconex 3501TN2 Product Features & Advantages:

Triconex 3501TN2 Product Features & Advantages:

Product Features

  1. Triconex 3501TN2 is a high‑precision analog input module designed for Tricon TMR safety instrumented system.

  2. Adopts triple modular redundant (TMR) fault‑tolerant architecture, ensuring high‑safety performance.

  3. Stable analog signal acquisition and transmission with strong anti‑interference capability.

  4. Wide working temperature range, suitable for harsh industrial environments.

  5. Standard rack‑mount design, easy installation, wiring and maintenance.

  6. Perfect compatibility with Triconex 3000 series safety control system.

Product Advantages

  1. High reliability: Meets strict industrial safety standards, supports long‑term continuous operation.

  2. Excellent safety performance: Widely used in ESD, fire & gas, SIS and critical process control systems.

  3. Original and tested refurbished available, stable quality and cost‑effective.

  4. Supports global industrial automation applications, including oil & gas, power, chemical and petrochemical industries.

  5. Low failure rate, strong system stability, reduces downtime risk of production line.

Triconex 3501TN2 Application Fields:

Application Fields

The Triconex 3501TN2 analog input module is widely applied in high‑safety industrial automation and process control fields, mainly used for Tricon TMR safety instrumented systems (SIS), emergency shutdown systems (ESD), fire and gas monitoring systems.

Main Application Industries

  • Oil & Gas Industry: Offshore platforms, on‑shore oil fields, gas processing plants

  • Petrochemical & Chemical Industry: Refineries, chemical reaction control, pipeline safety monitoring

  • Power Generation: Thermal power plants, nuclear power auxiliary safety control

  • Energy Industry: Coal chemical industry, new energy safety control system

  • Heavy Industry: Metallurgy, mining, pulp and paper, pharmaceutical manufacturing

  • Industrial Process Control: DCS system matching, safety interlock control, critical signal acquisition


  1. 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.

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Guangzhou Qiming Automation Technology Co., Ltd
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