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Siemens 3RA1344-8XB30-1BB4 Reversing Contactor - 30kW, 24V DC

Siemens 3RA1344-8XB30-1BB4 reversing contactor assembly, 30kW.

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ManufacturerSiemens

Part number3RA1344-8XB30-1BB4

Type Reversing Contactor Assembly

AC-3 Power 30 kW

Voltage 400V

Poles 3

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Reversing Contactor Assembly AC-3 Rated Size S3 24V DC Coil Electrical Interlock Mechanical Interlock

Product description

The Siemens 3RA1344-8XB30-1BB4 is a 3-pole reversing contactor assembly suitable for AC-3 applications, rated at 30 kW and 400V. This Size S3 unit features screw terminals and a 24V DC coil. It is equipped with both electrical and mechanical interlocks for secure motor reversing operations.

This contactor is ideal for applications requiring precise motor control and direction changes in harsh industrial environments. It is commonly used in specialized machinery, automation lines, and systems operating with DC control voltages.

Stanlo Automation, a veteran-owned distributor, specializes in providing access to surplus and obsolete industrial automation components. We ensure you can find critical parts like the 3RA1344-8XB30-1BB4, offering reliable solutions for your MRO needs.

Technical specifications

Type	Reversing Contactor Assembly
AC-3 Power	30 kW
Voltage	400V
Poles	3
Size	S3
Coil Voltage	24V DC
Terminals	Screw
Interlock	Electrical and Mechanical

Common applications

Motor Reversing Control

DC Control Systems

Industrial Automation

Machine Control

Process Automation

Material Handling

Compatible systems

SIRIUS 3RA1 Series

Also known as

3RA13448XB301BB4 Siemens 3RA1344 DC SIRIUS Reversing Contactor

Replaces / compatible with

This product is a phased-out model. The preferred successor type is SIRIUS 3RA2337-8XB30-1NB3.

Technical note

Expert tip

This unit is designed for 24V DC control circuits, ensuring reliable operation in systems where AC power is not suitable or available for control logic.

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Frequently asked questions

Does the Siemens 3RA1344-8XB30-1BB4 feature a DC coil?

Yes, the Siemens 3RA1344-8XB30-1BB4 reversing contactor assembly is specifically designed with a 24V DC coil, making it suitable for control systems that utilize DC power for signaling and operation.