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TRICONEX 3635 Redundant Power Supply Module
Product Overview
The TRICONEX 3635 is a high-capacity redundant power supply module designed for TRICONEX’s Tricon safety instrumented system (SIS), a cornerstone platform for industrial safety and control. It serves as the primary power source for Tricon systems, converting incoming AC power into stable 24V DC power to supply critical components such as CPUs, input/output modules, and communication interfaces. This functionality is vital for maintaining continuous operation in high-risk industrial environments where power interruptions could lead to safety incidents or process failures.
The TRICONEX 3635 features a dual-redundant design with two independent power paths. If one path fails, the other automatically takes over without interrupting power flow, eliminating single points of failure. It supports a wide input voltage range (85–264V AC), making it compatible with global power grids, and includes built-in protection mechanisms such as overvoltage, overcurrent, and short-circuit safeguards. These features protect connected modules from electrical faults, enhancing system durability.
As part of the Tricon ecosystem, the TRICONEX 3635 integrates seamlessly with components like the TRICONEX 3503E (CPU module), TRICONEX 3511 (digital input module), and TRICONEX 8312 (rack assembly). It operates in temperatures from 0°C to 60°C, resists dust, vibrations, and humidity, and is certified for use in hazardous areas (ATEX, IECEx). Its compact design fits into standard Tricon racks, while LED indicators for power status and faults simplify real-time monitoring.
Whether deployed in oil refineries, chemical plants, or nuclear facilities, the TRICONEX 3635 ensures uninterrupted power to safety-critical systems, forming the backbone of reliable automation infrastructure.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 3635 |
| Manufacturer | TRICONEX |
| Product Type | Redundant Power Supply Module |
| Series | Tricon Safety Instrumented System |
| Input Voltage | 85–264V AC (50/60Hz) |
| Output Voltage | 24V DC ±5% |
| Output Current | 15A (total), 7.5A per redundant path |
| Redundancy | Dual independent power paths |
| Physical Dimensions | 160mm (L) × 100mm (W) × 30mm (D) |
| Weight | 0.9 kg |
| Operating Temperature | 0°C to 60°C |
| Humidity Resistance | 5–95% non-condensing |
| Protection Features | Overvoltage, overcurrent, short-circuit protection |
| Safety Certification | SIL 3, IEC 61508, ATEX, IECEx |
| Country of Origin | United States |
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Related Products
- TRICONEX 3503E: The main CPU module of the Tricon SIS, which relies on the 3635 for stable power to execute safety logic and process control commands.
- TRICONEX 3511: A 16-channel digital input module that receives 24V DC power from the 3635 to monitor sensor signals in safety loops.
- TRICONEX 3700: A digital output module powered by the 3635, activating safety devices like shutdown valves based on CPU commands.
- TRICONEX 4409: A communication interface module that uses power from the 3635 to transmit data between the Tricon system and external networks.
- TRICONEX 8312: A rack assembly that houses the 3635 and other modules, providing structural support and backplane connectivity.
- TRICONEX 3625: A lower-current redundant power supply (10A total) that serves as a smaller alternative to the 3635 for compact Tricon systems.
- TRICONEX 3645: A high-voltage redundant power supply (48V DC output) designed for specialized applications, offering similar redundancy to the 3635 but with higher voltage.
Main features and advantages
High-capacity redundancy: The 3635 delivers 15A total output via two 7.5A paths, supporting larger Tricon systems with more modules. Its dual-redundant design ensures power continuity—if one path fails, the other switches on instantly, preventing downtime in critical applications like nuclear reactor control systems.
Global voltage compatibility: It accepts 85–264V AC input, working with power grids worldwide without needing voltage converters. This simplifies installation in international facilities, from Asian factories (220V AC) to North American plants (120V AC).
Robust protection mechanisms: Built-in overvoltage, overcurrent, and short-circuit safeguards shield the 3635 and connected modules from electrical damage. For example, a short in a field device triggers the module to limit current, protecting the CPU and I/O modules from burnout.
Industrial-grade durability: The 3635 operates in temperatures from 0°C to 60°C and resists dust, vibrations, and humidity. It performs reliably in harsh settings—from desert oil fields to humid offshore platforms—reducing unplanned maintenance.
Seamless Tricon integration: The module fits directly into Tricon racks like the 8312, connecting to the backplane to distribute power. It requires no external wiring beyond AC input, simplifying installation in both new systems and retrofits of older Tricon setups.
Clear status monitoring: LED indicators show power activity for each path and fault alerts. This allows technicians to quickly identify issues like a failed power path, speeding up troubleshooting during routine checks or emergencies.
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Installation and maintenance
Pre-installation preparations: Power off the Tricon rack (e.g., 8312) before installing the 3635. Verify that the AC input supply falls within the 85–264V AC range. Inspect the module for physical damage, ensuring connectors are clean and intact. Use an anti-static wristband to handle the module, as static discharge can damage internal components. Align the module with the rack’s guide rails and secure it with M6 screws to prevent 松动 during operation.
Maintenance suggestions: Inspect the 3635 quarterly. Check AC input connections for tightness and wipe dust from the module’s surface with a dry cloth. Monitor LED indicators to ensure both paths show normal operation—dim or off LEDs may indicate a path failure. Test output voltage annually using a multimeter to confirm it stays within 24V DC ±5%. Replace the 3635 if faults persist after checking input power, following proper shutdown procedures to avoid disrupting the Tricon SIS.
Application fields
The TRICONEX 3635 is widely used in large-scale industrial facilities requiring reliable power for safety systems:
In oil and gas refineries, it powers emergency shutdown (ESD) systems with multiple I/O modules. The 3635 ensures the Tricon CPU and 3700 output modules receive continuous power, enabling rapid valve closures if gas leaks are detected via 3511 input modules.
In chemical processing plants, the 3635 supplies power to reactor safety systems with analog and digital modules. It maintains power to temperature sensors and shutdown relays, ensuring the system can halt reactions if pressure exceeds safe limits.
In nuclear power plants, it supports radiation monitoring and coolant control systems. The module’s redundancy ensures power to critical components, allowing the SIS to initiate shutdown procedures if unsafe conditions arise, protecting workers and the environment.
In large-scale water treatment facilities, the 3635 powers PLC-based control systems with numerous sensors and actuators. It ensures uninterrupted operation of pump controls and chemical dosing systems, maintaining regulatory compliance.
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Product guarantee
Our company offers a one-year quality warranty service for the 3635, covering hardware malfunctions not caused by human factors. During the warranty period, if the product shows abnormal performance or functional failure, we will provide replacement services. In addition, for discontinued models or urgent demands, relying on our global supply chain network, we can quickly respond to customers’ procurement needs for scarce spare parts, and provide reliable services to support the continuous and stable operation of industrial systems.
Our company is a leading enterprise in the industrial control industry, established in 2007, has been 17 years. The company type is an import and export trade distribution company, mainly selling major brands of industrial control parts, there are many unpopular discontinued models, with a large stock. Our company has the advantage of supply channels, a large number of spot, to meet the needs of customers anxious to find spare parts. Our main business includes the distribution and trade of PLC modules, DCS cards, ESD system cards, vibration monitoring system cards, turbine control system modules, gas generator spare parts, instruments and other products.
Whatsapp:+86 18859254943
E-mail :sales@ygplc.com
E-mail :sales@ygplc.com
