Description
The Siemens 3RU2126-4NC0 SIRIUS Thermal Overload Relay is a critical component for safeguarding 3-phase motors against damage caused by overcurrents and phase failures. With a full load current (FLC) rating of 28A and a 3A auxiliary contact rating, this relay provides reliable tripping to protect motors operating at 690 Vac. It is engineered to cover a range of motor powers, from 15 kW up to 22 kW, ensuring comprehensive protection for various motor sizes.
Built to the high standards of the Siemens SIRIUS line, the 3RU2126-4NC0 offers exceptional durability and precise thermal sensing. Its adjustable overload setting allows for fine-tuning to match specific motor requirements, enhancing protection efficiency. The integrated auxiliary contacts provide signaling capabilities for control and alarm systems, further enhancing operational awareness.
This thermal overload relay is indispensable for a wide spectrum of industrial applications, including pumps, fans, compressors, and conveyor systems, where motor longevity and reliability are paramount. The Siemens 3RU2126-4NC0 plays a vital role in preventing costly motor failures and minimizing unscheduled downtime.
Choose the Siemens 3RU2126-4NC0 SIRIUS Thermal Overload Relay for robust and reliable motor protection. Its advanced features and high-quality construction ensure the safety and continuous operation of your critical machinery. Secure your motors with this dependable Siemens protection component.









