You are here:
- Home
- Product
- Power Electronics
- Power Supply & Power Modules
- Triconex 8311 Power Supply High Density Module
SKU: 8311
Triconex 8311 Power Supply High Density Module
The Triconex 8311 is a high-density, TMR-compatible power supply module designed for maximum system availability. It delivers stable, redundant power in a compact 2.6kg form factor. Engineered for SIL 3 safety systems, this module provides the rugged reliability and hot-swap capabilities required for mission-critical industrial automation and emergency shutdown systems
Product Overview
The Triconex 8311 serves as a high-density power supply module specifically engineered for the Tricon Triple Modular Redundancy (TMR) system. As a critical component of the Triconex safety-instrumented system (SIS), this module provides the regulated power necessary for the system backplane and I/O modules. It excels in high-reliability environments where continuous operation is mandatory, such as emergency shutdown (ESD) systems and fire and gas (F&G) detection.
Core Functional Capabilities
- Delivers Triple Redundant Power: The module supports the TMR architecture by providing isolated, redundant power paths. This design ensures that even if one power source fails, the remaining channels sustain full system operation without interruption.
- Manages Stable Voltage Output: Advanced power management circuits stabilize voltage delivery across fluctuating load conditions. This precision protects sensitive internal processors and prevents logic errors caused by power “sag” or spikes.
- Withstands Extreme Industrial Environments: Triconex builds the 8311 with a ruggedized chassis that resists moisture, dust, and significant thermal stress. These protective measures ensure the module operates reliably in the harsh conditions typical of petrochemical and power generation facilities.
- Maximizes Cabinet Space: The high-density design packs substantial power output into a compact footprint. This space-efficiency allows engineers to install more functional I/O within the same rack space, reducing the overall size of the control cabinet.
- Simplifies System Hot-Swapping: The module supports seamless integration and replacement without powering down the entire system. This “hot-swap” capability allows maintenance teams to replace modules while the plant remains online, significantly reducing scheduled downtime.
Technical Specifications
- Brand: Triconex (Schneider Electric)
- Model Number: 8311
- Module Type: High Density Power Supply Module
- System Type: TMR (Triple Modular Redundancy)
- Power Output: Designed for high-wattage backplane support
- Net Weight: 2.6 kg
- Dimensions: 6.1 cm x 40.5 cm x 17.6 cm
Industrial Implementation
Safety engineers specify the Triconex 8311 for critical Distributed Control Systems (DCS) and safety-critical applications. It serves as the primary energy source for Tricon racks in refineries, offshore platforms, and nuclear power plants. Because the 8311 module adheres to the strictest safety standards (SIL 3), it provides the foundational reliability required for systems that protect human life and expensive capital assets. Its ability to maintain consistent performance under continuous industrial operation makes it an industry standard for high-integrity power solutions.
You may also like
The Triconex 4201N is a rugged Remote Extender Module engineered to expand I/O bus distances for Tricon Safety Systems. Supporting high-speed, interference-resistant communication via fiber optics, it ensures reliable data transmission between central controllers and remote chassis in mission-critical industrial applications.
Triconex 7400207-001 MP2101 Main Processor Baseplate
The Triconex 7400207-001 (MP2101) is a SIL 3 certified Main Processor Baseplate designed for TMR safety systems. It provides the essential infrastructure for triple-redundant logic execution and hot-swappable module support in critical industrial environments like oil, gas, and power generation.
Triconex CM 3201 Communication Module
The Triconex CM 3201 is a high-reliability communication module featuring two Ethernet and three serial ports. It provides secure, redundant data exchange between Tricon safety systems and external DCS or host computers in SIL 3 applications.
Triconex 8110 High-Density Main Chassis
The Triconex 8110 is the primary High-Density Main Chassis for Tricon TMR safety systems. It provides the essential backplane for triple-redundant processors and I/O modules, featuring 6 expansion ports and a 4-position security keyswitch for SIL3-rated industrial safety applications
Triconex 4200N Remote Extender Module (RXM)
The Triconex 4200N Remote Extender Module (RXM) significantly expands the reach of the Tricon TMR system using fiber optic technology. It maintains full triple redundancy and provides superior galvanic isolation for remote I/O chassis up to 12km away. This 1.88kg module ensures that safety-critical data remains synchronized and deterministic across expansive industrial facilities.
Triconex 3008 Main Processor
The Triconex 3008 is a high-performance TMR Main Processor designed for mission-critical safety systems. It features advanced 2oo3 voting logic, integrated self-diagnostics, and seamless DCS integration. This 2.06kg module delivers the deterministic speed and fault-tolerant reliability required for SIL 3 certified emergency shutdown and critical control applications.
Triconex 3721 TMR Analog Input Module
The Triconex 3721 is a 32-point TMR Analog Input Module providing SIL 3 safety for industrial processes. Features Triple Modular Redundancy and 0-5VDC support
Triconex 9771-210 Analog Input Terminal Board
The Triconex 9771-210 is a high-performance analog input terminal board designed for Tricon v9–v10 systems. It provides reliable signal termination for safety-critical DCS applications, featuring a robust design for harsh industrial environments and integrated diagnostics for enhanced system availability.
Triconex Invensys 4329 Network Communication Module
The Triconex 4329 is a robust Network Communication Module designed to connect Tricon controllers with Ethernet-based DCS and HMI systems. It ensures secure, high-speed data transmission and features advanced diagnostics to maintain maximum uptime in safety-critical industrial environments.
Triconex 9662-110 External Termination Panel (ETP) for Tricon Systems
The Triconex 9662-110 is a professional External Termination Panel designed for Tricon v9–v10 systems. This ruggedized modular panel facilitates secure field-to-I/O connectivity, ensuring high-integrity signal processing for safety-instrumented applications in harsh industrial environments.
Triconex AI3281 Analog Input Module for TMR Safety Systems
The Triconex AI3281 is a 32-point TMR analog input module designed for 4-20mA signal acquisition in safety-critical DCS environments. This SIL 3 certified module provides high-accuracy data processing and fault-tolerant operation for demanding oil, gas, and power applications
Triconex DO 3401S2 Digital Output Module for TMR Safety Platforms
The Triconex DO 3401S2 is a 16-point TMR digital output module designed for SIL 3 safety-critical applications. Featuring independent channel isolation and a fault-tolerant redundant architecture, it provides reliable control for actuators and solenoid valves in the most demanding industrial environments























