3RA6120-2BB32
The Siemens SIRIUS 3RA6120-2BB32 is a compact direct starter that integrates a starter protector, contactor, and electronic overload relay. It features a 690V withstand voltage, adjustable overload capacity from 0.32 to 1.25A, a motor power rating of 0.37kW at 400V, a 24V control voltage, spring-clamp wiring, and IP20 protection.
Product Positioning
The 3RA6120-2BB32 is a compact load-regenerative starter from the Siemens SIRIUS 3RA6 series. It offers a lower current overload setting and integrates start protection, contactor switching, and overload protection into a single module, making it suitable for direct starting applications of small-power three-phase motors.
Core Product Advantages and Features
Three-in-one integrated design
A single module integrates a motor starter protector, contactor, and electronic overload relay, replacing the traditional multi-component configuration and saving panel space.
Standard 24V control voltage
It adopts the industry-standard 24V AC/DC control voltage, which is directly compatible with most PLC output modules, reducing wiring complexity.
Spring clip terminal
Both the main circuit and the control circuit use spring clip wiring, eliminating the need for screw fastening and speeding up wiring and maintenance.
Low current fine setting
With an adjustable overload current range of 0.32 to 1.25A, it is suitable for micro-power motor applications of 0.37 to 0.75kW at 400 to 690V.
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