3RU2126-4DB1
The Siemens SIRIUS 3RU2126-4DB1 thermal overload relay features an S0 frame, a current adjustment range of 20 to 25 amps, screw terminals, and independent mounting. It is not directly mounted on the contactor and is suitable for separate fixed installation within a distribution panel.
Product Positioning
The Siemens SIRIUS 3RU2126-4DB1 has a current adjustment range of 20 to 25 amps. It features screw terminals and is designed for independent mounting, meaning it is not directly attached to the contactor and can be easily fixed separately according to the control panel configuration.
Core Product Advantages and Features
Independent installation, location not limited
Free from the limitations of contactor shape, it can be individually fixed to the guide rail or base plate according to the available space of the distribution panel.
20-25A current adjustment
The knob can be set in the range of 20 to 25 amps, which is suitable for small and medium-sized three-phase motor applications.
Screw terminal wiring
Both the main circuit and the auxiliary circuit use screw terminals, making maintenance and wiring replacement easy.
Class 10 protection features
It operates according to the IEC standard thermal action curve, taking into account both start-up tolerance and overload response speed.