The Triconex 8305A Power Supply Module is an essential component of the Triconex safety and control system platform, providing regulated and stable power to critical modules within the Tricon chassis. Designed for high availability and fault-tolerant systems, the 8305A plays a vital role in ensuring continuous operation of industrial safety and control systems, even under harsh environmental conditions.

The 8305A is typically used in redundant configurations to ensure that failure of a single power module does not compromise system integrity. It is hot-swappable, allowing it to be replaced or serviced without shutting down the system, a feature critical for mission-critical applications in sectors like oil and gas, power generation, chemical processing, and manufacturing.

Engineered with industrial-grade components, the 8305A module is compliant with Triconex’s rigorous standards for reliability, safety, and performance. Its robust mechanical construction, combined with intelligent power monitoring features, ensures the highest degree of system availability and safety compliance.

Product Specifications

Product Applications

The Triconex 8305A Power Supply Module is extensively used in safety-critical and high-availability industrial environments. Its primary applications include:

• Emergency Shutdown Systems (ESD)

  Ensures safe shutdown procedures by reliably powering all safety controller modules.

• Fire and Gas Detection Systems (F&G)

  Powers the critical modules that detect hazardous conditions and trigger alarm or suppression systems.

• Turbomachinery Control

  Used in compressor and turbine protection systems where reliable power is essential for system integrity and performance.

• Nuclear and Fossil Power Plants

  Supplies redundant and fault-tolerant power to control systems in nuclear reactors and thermal power stations.

• Petrochemical and Refining Facilities

  Delivers regulated power to automation systems responsible for controlling volatile chemical processes.

• Offshore Platforms

  Suitable for hazardous zones and marine environments where continuous uptime is critical for safety and productivity.

Product Advantages

• Redundant Power Architecture

  Supports N+1 power configurations, allowing for a backup power module that ensures continuous operation even if one fails.

• Hot-Swappable for Zero Downtime

  The 8305A can be replaced without shutting down the system, allowing maintenance while operations continue uninterrupted.

• High Reliability for Safety-Critical Systems

  Certified to SIL 3 standards, the 8305A guarantees high reliability, critical for safety instrumented systems (SIS).

• Robust Construction

  Withstands industrial shock, vibration, and temperature extremes, making it suitable for tough environments.

• Efficient Power Distribution

  Supplies regulated power to both digital and analog modules across the Tricon backplane.

• Intelligent Status Monitoring

  Built-in LEDs and fault diagnostics provide real-time visibility into power health and system performance.

• Certified for Hazardous Areas

  ATEX and IECEx approvals enable deployment in explosive and flammable atmospheres.

• Global Compatibility

  Wide AC input voltage and frequency ranges allow the module to be used in different regional power standards.

• Modular System Design

  Seamlessly integrates into the Tricon chassis, allowing flexibility in design and easy expansion.

• Trusted Brand with Proven History

  Backed by Schneider Electric and Triconex’s decades-long expertise in process safety systems.

Frequently Asked Questions (FAQ)

1. Q: What systems is the Triconex 8305A compatible with?

   A: It is compatible with Tricon systems such as 3008, 3625, and 3664 series.

2. Q: Can the 8305A power supply module be hot-swapped?

   A: Yes, the 8305A is hot-swappable and can be replaced without shutting down the system.

3. Q: What output voltages does the 8305A provide?

   A: It provides 5.1 VDC and ±24 VDC regulated outputs.

4. Q: Is the 8305A certified for use in hazardous locations?

   A: Yes, it is ATEX, IECEx, UL, CSA certified and supports deployment in Class I Div 2 and Zone 2 environments.

5. Q: What is the maximum power output of the module?

   A: The 8305A provides a maximum of 150 watts.

6. Q: Does the 8305A support redundancy?

   A: Yes, it supports N+1 redundancy for enhanced reliability in mission-critical applications.

7. Q: What indicators are available on the module?

   A: It includes LED indicators for power status and fault conditions.

8. Q: What type of cooling does the 8305A use?

   A: It uses convection cooling and does not require additional fans.

9. Q: How is the 8305A installed?

   A: It is installed in the designated power slots (typically slots 1 or 2) of a Tricon backplane chassis.

10. Q: What environmental conditions can the module withstand?

    A: Operating range is 0–60°C, with vibration up to 1g and shock resistance up to 10g.