Triconex 8306A Power Supply Expansion Unit

The Triconex 8306A Power Supply Expansion Unit is a specialized module designed to extend and enhance the power distribution capabilities of Triconex safety and critical control systems. As part of the renowned Triconex family by Schneider Electric, the 8306A serves as a reliable intermediary power supply expansion unit that works in tandem with the main power modules to ensure uninterrupted power distribution across multiple chassis. It plays a pivotal role in supporting system redundancy, high availability, and scalability in safety instrumented systems (SIS).

The 8306A module provides a controlled path for power between main and remote chassis, ensuring regulated and consistent power delivery to additional I/O modules. Its integration into the Triconex control architecture strengthens fault-tolerant capabilities, helping facilities meet stringent safety standards such as IEC 61508 and ISA 84.

Product Specifications

Product Applications

The Triconex 8306A is widely deployed across various high-risk industrial environments, where safety, reliability, and uninterrupted control are paramount. Common application areas include:

• Oil & Gas: For managing pipeline controls, gas processing safety, compressor stations, and offshore platforms.

• Chemical & Petrochemical: Ensures safe operation of chemical reactors, distillation columns, and storage facilities.

• Power Generation: Used in turbine control, boiler safety, and nuclear safety shutdown systems.

• Pharmaceutical: Maintains safety of automated manufacturing systems.

• Pulp and Paper Industry: Controls hazardous processes involving high-pressure equipment.

• Water & Wastewater Treatment: Ensures safe and regulated flow, treatment, and discharge of water.

Product Advantages

• High Availability: Designed with fault-tolerant architecture, enabling seamless operation even in the event of a power disruption.

• System Scalability: Easily supports system growth by allowing the addition of remote chassis without additional reconfiguration.

• Enhanced Redundancy: Facilitates dual-redundant power paths, vital for mission-critical operations.

• Minimal Downtime: Hot-swappable functionality reduces downtime during maintenance or upgrades.

• Certified Safety: Complies with global safety and performance standards, ensuring safe integration in SIL 3 environments.

• Compact Design: Efficient form factor allows easy integration into existing control cabinets.

Frequently Asked Questions (FAQ)

1. What is the primary function of the Triconex 8306A?

   It acts as a power expansion unit, distributing power from the main chassis to additional remote or expansion chassis.

2. Is the 8306A hot-swappable?

   Yes, it supports hot-swapping, allowing safe replacement without powering down the system.

3. Can it be used in redundant configurations?

   Absolutely. It is designed to support dual-redundant power supply setups.

4. What safety standards does the 8306A comply with?

   It complies with IEC 61508, SIL 3, ATEX, UL, and CE certifications.

5. Is external cooling required?

   No, the unit relies on natural convection cooling and does not require fans.

6. What is the maximum operating temperature?

   It operates reliably up to 60°C.

7. What types of environments is the 8306A suitable for?

   It is ideal for harsh industrial settings like oil & gas, chemical plants, and power generation.

8. How is the module mounted?

   It can be mounted on a DIN rail or within a standard 19” rack system.

9. Does it support diagnostic feedback?

   Yes, the unit provides diagnostic signals when integrated with Tricon controllers.

10. What is its approximate weight?

    The Triconex 8306A weighs 3.3 kg.