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- Triconex
- 8305A
- Power Supply Module Expansion 120V AC/DC
- USA
- 132 mm × 60 mm × 200 mm
- 2.2kg
- Xiamen, China
- New & In Stock
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✅ Triconex 8305A Overview
🔧 Product Introduction
The Triconex 8305A is a high-reliability power supply module designed specifically for the TMR (Triple Modular Redundancy) safety system platform. Engineered to deliver stable 24V DC output in mission-critical environments, the 8305A supports safe, redundant, and uninterrupted power delivery for logic solvers, I/O modules, and system processors within industrial safety and control architectures.
Its hot-swappable design, wide input range, and compliance with global safety standards make it essential for operations where system uptime and safety compliance are non-negotiable.
🏢 Brand and Product Series
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Brand: (Name omitted as requested)
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Series: Triconex Power Supply Series (within the TMR platform)
📐 Product Specifications
| Parameter | Specification |
|---|---|
| Model | 8305A |
| Product Type | Redundant Power Supply Module for TMR Systems |
| Input Voltage Range | 85–264 V AC / 120–350 V DC |
| Output Voltage | 24 V DC (regulated, ±1%) |
| Max Output Current | 20 A shared (depending on load and redundancy configuration) |
| Redundancy | N+1 or true TMR redundancy |
| Power Efficiency | ≥ 92% |
| MTBF | > 500,000 hours |
| Operating Temperature | -40°C to +70°C (some versions up to +85°C) |
| Cooling Method | Convection (no fans, maintenance-free) |
| Certifications | SIL 3 (IEC 61508/61511), ATEX Zone 2, FM Class I Div 2 |
| Mounting Type | Rack/chassis-mountable |
| Dimensions (H × W × D) | 132 mm × 60 mm × 200 mm |
| Weight | 2.2 kg (approximate) |
🧩 Product Applications
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Emergency Shutdown Systems (ESD)
Ensures consistent DC supply to logic solvers that manage shutdown processes in hazardous operations. -
Fire and Gas Systems
Powers detection and mitigation systems that must remain operational in emergencies. -
Critical Industrial Power Systems
Used in refineries, chemical plants, and power stations where DC power reliability is essential. -
Turbine Trip and Compressor Control
Supports trip logic and control interface modules in rotating equipment automation. -
SIS Architecture Backbone
Acts as the stable power base for Safety Instrumented Systems in SIL 3 environments.
⭐ Product Advantages
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Triple Redundancy Compatibility
Built for fault-tolerant architecture, ensuring system uptime even in the event of a module failure. -
Hot-Swappable Design
Modules can be replaced during operation, reducing downtime and maximizing safety continuity. -
Extreme Environment Tolerance
Operates in harsh industrial settings with temperature ratings from -40°C to +70°C or beyond. -
Industrial Safety Certified
Fully SIL 3 compliant and approved for hazardous environments under global safety standards. -
Compact but Powerful
Small footprint allows high-density installation while maintaining robust output capacity. -
Energy Efficient
With over 92% efficiency, it minimizes energy loss and system heat load. -
Proven Reliability
With an MTBF of over 500,000 hours, it’s one of the most dependable modules in its class.
📊 Related Models (Same or Related Series)
| Model | Description | Size (mm) | Weight (kg) | I/O / Output Power |
|---|---|---|---|---|
| 8300A | Base logic processor for TMR systems | 450 × 200 × 480 | ~20.0 | 144 digital / 48 analog I/O |
| 8301A | Analog I/O-optimized logic controller | 450 × 220 × 480 | ~21.0 | 112 digital / 64 analog |
| 8302A | High-performance logic with CPU expansion | 450 × 240 × 480 | ~22.0 | 144 digital / 48 analog |
| 8303A | Compact controller for limited space applications | 450 × 180 × 480 | ~18.0 | 96 digital / 32 analog |
| 8304A | Ultra-high I/O density logic module | 450 × 260 × 480 | ~23.0 | 176 digital / 80 analog |
📈 Other Popular Models (Same Brand, Other Series)
| Model | Series / Type | Size (mm) | Weight (kg) | Application |
|---|---|---|---|---|
| 3008 | Classic SIL 3 CPU Module | 430 × 180 × 420 | ~16.0 | Logic processor for older TMR platforms |
| 8110 | I/O termination and signal adapter | 430 × 160 × 400 | ~14.0 | Field signal wiring and termination |
| 4351B | Redundant network communication | 450 × 200 × 470 | ~20.0 | Network and control interface |
| 3704E | Analog input module | 430 × 160 × 420 | ~12.0 | Accepts multiple analog sensor inputs |
| 3503E | Analog output module | 430 × 160 × 420 | ~12.0 | Sends analog control signals to actuators |
❓ Frequently Asked Questions (FAQ)
Q1: What is the primary function of the 8305A module?
A1: It supplies regulated 24 V DC power to safety system components, ensuring continuous operation in TMR systems.
Q2: Is the 8305A hot-swappable?
A2: Yes, it can be replaced without powering down the system, minimizing operational disruptions.
Q3: What redundancy type does it support?
A3: The 8305A supports N+1 and true triple modular redundancy configurations.
Q4: Can it handle AC and DC inputs?
A4: Yes, it accepts a wide range: 85–264 V AC or 120–350 V DC.
Q5: What kind of output does it provide?
A5: It provides a stable, regulated 24 V DC output at up to 20 A.
Q6: Is it certified for hazardous environments?
A6: Yes, including SIL 3, ATEX Zone 2, and FM Class I Div 2 certifications.
Q7: How large is the module?
A7: Its approximate dimensions are 132 mm × 60 mm × 200 mm.
Q8: What is the module’s weight?
A8: The 8305A weighs approximately 2.2 kg.
Q9: How efficient is the module under load?
A9: It operates at about 92% efficiency at full rated load.
Q10: What’s the expected lifetime of the module?
A10: With an MTBF of over 500,000 hours, it is designed for long-term reliability.