3RA6120-2CB32

Siemens 3RA6120-2CB32 SIRIUS 3RA6 Compact Direct Starter with Spring Terminal
Siemens 3RA6120-2CB32 SIRIUS 3RA6 Compact Direct Starter with Spring Terminal

The Siemens SIRIUS 3RA6120-2CB32 compact direct starter integrates a starter protector, contactor, and electronic overload relay. It features a 690V withstand voltage, 1 to 4A adjustable overload capacity, a 1.5kW motor power rating for 400V, a 24V control voltage, spring-clamp wiring, and IP20 protection, making it suitable for low-power motor applications.

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Siemens 3RA6120-2CB32 SIRIUS 3RA6 Compact Direct Starter with Spring Terminal
Product Positioning

The 3RA6120-2CB32 is a compact load-regenerative starter from the Siemens SIRIUS 3RA6 series. It integrates starting protection, contactor switching, and overload protection into a single module, making it suitable for direct starting applications of low-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.
Precise current adjustment
Adjustable overload current setting from 1 to 4A, suitable for small power three-phase motors from 1.5 to 3kW at 400 to 690V.
project Specification
Product Type SIRIUS 3RA6 Compact Direct Starter (DOL)
Rated insulation voltage 690 V AC
Current setting range 1–4 A
Motor power (400V) 1.5 kW
Motor power (690V) 3 kW
Control voltage 24 V AC/DC
Wiring method Spring clip (Push-in) terminal
Communication function IO-Link/bus communication is not supported.
Protection level IP20
Mechanical life 10 million operation cycles
Integrated functions Motor starter protector + contactor + electronic overload relay

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