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Siemens 3RA6120-1CB34 SIRIUS Compact DOL Starter 1-4A

Siemens 3RA6120-1CB34 SIRIUS Compact DOL Starter

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ManufacturerSiemens

Part number3RA6120-1CB34

Voltage 690V

Coil Voltage 24V AC/DC

Current Range 1-4A

Frequency 50-60 Hz

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12-month warranty

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CAGE: 9NK75

Compact design DOL starter functionality Screw terminal main circuit Plug-in auxiliary circuit IP20 rated 690V operational voltage

Product description

The Siemens 3RA6120-1CB34 is a SIRIUS Compact Direct On-Line (DOL) load feeder starter designed for motor control. It operates at 690V with a 24V AC/DC coil voltage and a frequency range of 50-60 Hz. This starter is rated for currents from 1 to 4 amps and features an IP20 protection rating. The main circuit connects via screw terminals, while the auxiliary circuit uses plug-in connections without terminals.

This compact starter is suitable for a wide range of applications in industrial automation, including motor protection and control in machinery, conveyor systems, and pump applications. Its robust design ensures reliable operation in various environments. Industries such as manufacturing, material handling, and building automation commonly utilize this type of starter.

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Technical specifications

Voltage	690V
Coil Voltage	24V AC/DC
Current Range	1-4A
Frequency	50-60 Hz
IP Rating	IP20
Main Circuit Connection	Screw Terminal
Auxiliary Circuit Connection	Plug-in, without terminals
Series	SIRIUS Compact

Common applications

Motor control

Industrial machinery

Conveyor systems

Pump control

Automation panels

Manufacturing equipment

Compatible systems

General motor control applications PLC controlled systems Standard industrial power distribution

Also known as

Siemens 3RA6 Starter SIRIUS Compact Load Feeder 3RA6120 Starter Siemens DOL Starter

Replaces / compatible with

This Siemens 3RA6120-1CB34 is a complete DOL starter unit and typically replaces separate overload relays and contactors for motor starting applications. It is designed as a compact, integrated solution for motor control.

Technical note

Expert tip

Ensure proper wire termination and torque on the screw terminals for reliable main circuit connections in demanding industrial environments.

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Frequently asked questions

What is the current rating for the Siemens 3RA6120-1CB34?

The Siemens 3RA6120-1CB34 SIRIUS Compact load feeder starter has a current range of 1 to 4 amps. This rating is crucial for ensuring proper motor protection and operation within safe limits.