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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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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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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.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.