Weidmueller TRS 120VUC 2CO Multi-Voltage Relay Module for Industrial Control
Weidmueller TRS 120VUC 2CO multi-voltage relay module is a compact TERMSERIES interface relay designed to handle control tasks in systems with varying supply voltages. It accepts a wide universal control input and provides two changeover contacts for dependable switching of AC or DC loads. This makes it especially suitable for control panels where voltage standardization is difficult. With robust electrical isolation, DIN rail mounting, and an industrial-grade design, the module helps engineers reduce wiring complexity while maintaining safe and consistent switching performance in automation and machinery environments.
The TRS 120VUC 2CO delivers practical advantages in real industrial installations by allowing one relay type to cover multiple voltage requirements. This flexibility lowers spare-part inventory and reduces configuration errors during commissioning. Its durable contact system supports stable operation under repetitive switching, while the slim housing saves valuable space inside crowded control cabinets. Designed for continuous industrial use, the relay improves system uptime and simplifies maintenance, making it a reliable choice for machine control, signal isolation, and general automation tasks where long-term reliability is essential.
Why TRS 120VUC 2CO?
TRS 120VUC 2CO is chosen when control systems must remain flexible without sacrificing reliability. Its universal control voltage capability allows one relay to serve multiple applications, reducing design effort and spare-part variety. Combined with a slim DIN-rail form factor and robust contact technology, it fits neatly into modern control panels while delivering consistent switching performance in demanding industrial environments.
What problem does it solve?
Many automation systems struggle with mixed control voltages, limited panel space, and frequent wiring changes. TRS 120VUC 2CO addresses these challenges by accepting a broad voltage range in a single relay module, simplifying wiring and minimizing configuration errors. It ensures stable load switching and electrical isolation, helping engineers build cleaner, safer, and more maintainable control cabinets.
Key Features & Specifications – Weidmueller TRS 120VUC 2CO: 1123530000
| Feature | Details | Benefit |
|---|---|---|
| Product Type | Interface relay module (TERMSERIES) | Reliable signal switching and electrical isolation in control panels |
| Control Voltage | 120 V UC ±10% (universal AC/DC input) | One relay supports multiple voltage standards, reducing variants |
| Control Voltage Range | Wide multi-voltage capability (AC/DC) | Simplifies design for mixed-voltage automation systems |
| Contact Configuration | 2 CO (2 changeover contacts) | Enables flexible switching logic for control and signal routing |
| Contact Material | AgNi (Silver Nickel) | Stable contact performance and long service life |
| Rated Switching Voltage | Up to 250 V AC / 250 V DC | Suitable for common industrial loads |
| Continuous Current | 8 A (derating at higher temperatures) | Handles typical control and auxiliary loads safely |
| Inrush Current | Up to 15 A (short duration) | Reliable switching of inductive and capacitive loads |
| Switching Speed | Fast response with millisecond-level delays | Supports precise control operations |
| Mechanical Service Life | Up to 30 million switching cycles | Long-term reliability in continuous operation |
| Mounting Method | DIN rail (TS 35) | Quick, standardized installation in control cabinets |
| Connection Type | Screw connection | Secure wiring and easy maintenance |
| Electrical Isolation | Reinforced insulation between control and load | Enhances safety and system protection |
| Protection Degree | IP20 | Designed for enclosed industrial control panels |
| Operating Temperature | Wide industrial temperature range | Reliable performance in harsh environments |
| Compliance & Approvals | Industrial and safety compliant design | Suitable for global automation applications |
| Dimensions | Slim housing design | Saves space in high-density control panels |
Download Weidmullar TRS 120VUC 2CO (1123530000) Datasheet
Commercial Information – Weidmueller TRS 120VUC 2CO (1123530000)
| Item | Details |
|---|---|
| EAN Number | 4032248905744 |
| Net Weight | Approx. 57 g |
The Applications
1. Mixed-Voltage Industrial Control Panels
Modern factories often operate control panels that combine legacy equipment with newer automation systems, resulting in multiple control voltage levels within the same cabinet. The TRS 120VUC 2CO relay module is highly effective in these situations because its universal control input allows one relay type to be used across different voltage standards. The dual changeover contacts enable flexible signal routing, such as driving alarms and actuators from a single control signal. This approach simplifies panel design, reduces wiring complexity, and minimizes errors during installation or future modifications.
2. Machine Tool Interlock and Safety Circuits
Machine tools rely on dependable interlock circuits to ensure safe operation during setup, normal production, and emergency conditions. The TRS 120VUC 2CO relay supports these requirements by providing reliable electrical isolation between control electronics and switching loads. Its fast response time ensures safety-related signals are executed promptly, while robust contacts withstand frequent switching cycles. The slim DIN-rail housing allows easy integration into compact safety panels. Using a standardized relay module also helps maintenance teams keep fewer spare parts while maintaining consistent safety behavior across machines.
3. Building Automation and HVAC Control
In building management systems, control panels often manage lighting, ventilation, pumps, and dampers that operate on different voltage levels. The TRS 120VUC 2CO relay simplifies these designs by accepting a wide range of control inputs without additional components. Two changeover contacts make it possible to implement control logic such as mode switching or redundant control paths. Its long service life supports continuous daily operation, helping facility operators achieve stable performance, easier troubleshooting, and reduced downtime in HVAC and energy management applications.
4. Process Automation and Signal Isolation
Process automation environments require clear separation between sensitive control signals and higher-power field devices. The TRS 120VUC 2CO relay is commonly applied to isolate PLC outputs from solenoid valves, indicators, or auxiliary loads. Reinforced insulation improves electrical safety, while its current handling capability supports typical process control devices. The universal control input allows smooth integration into existing systems without redesign. This results in cleaner signal behavior, improved reliability, and safer operation in continuous industrial processes such as water treatment or material handling.