Product Details
Configured for power expansion and voltage distribution in Triconex safety instrumented systems, the TRICONEX 8305A, also cataloged as the 8305A Power Supply Module Expansion, provides direct physical/electrical execution. The hardware delivers regulated 120 VAC/DC power conversion at a 4 A capacity across triple modular redundancy power rails, maintaining continuous operational voltage for system chassis expansion.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 8305A |
| Brand | TRICONEX |
| Origin | Standard Manufacturing Facility |
| Weight | 4.96 lbs (2.25 kg) |
| Dimensions | Standard Tricon Chassis Slot-in Enclosure |
| Operating Temp | Standard Industrial Range (0 deg C to 60 deg C) |
| Power Consumption | 120 VAC/DC Input (4 A Capacity) |
| Output Rating | System-compatible regulated DC/AC bus power |
| Diagnostics | Integrated LED indicators for status monitoring |
| Architecture Support | Triple Modular Redundancy (TMR) power rails |
SIL3 Certification and Triple Modular Redundancy Architecture
Engineered for high-integrity safety applications, this power supply expansion module supports SIL3 certification compliance by distributing regulated power across triple modular redundancy (TMR) 2oo3 architecture rails. Internal galvanic isolation and overvoltage protection circuitry ensure fail-safe state execution, preventing primary line transients or power supply anomalies from propagating into core safety processors or dropping critical shutdown loops.
Frequently Asked Questions
Q: Does the 8305A power supply module support live replacement (hot-swapping) in an energized chassis?
A: Yes, the module supports online replacement under power when installed in a redundant multi-supply configuration, provided proper maintenance protocols are observed.
Q: How do the integrated LED indicators communicate operational status?
A: The front-panel LED indicators provide real-time visual feedback regarding input voltage presence, output rail regulation, and internal fault or overload conditions.
Field Installation Guidelines
- Verify that main incoming power is completely disconnected and isolated before inserting or extracting the power supply module from the Tricon chassis.
- Ensure the module is fully aligned with chassis guides and firmly seated into the backplane connector before engaging retaining fasteners.
- Verify that incoming supply voltages strictly match the 120 VAC/DC rating of the unit prior to energizing input lines.
- Maintain clear ventilation clearances above and below the chassis enclosure to support convective heat dissipation within the specified operating temperature range.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




























