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Siemens 3TF4322-0BB4 Size 1 Contactor - 11kW, 24V DC Coil

Siemens 3TF4322-0BB4 Size 1 Contactor, 11kW, 24V DC Coil, 2NO+2NC Aux.

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ManufacturerSiemens

Part number3TF4322-0BB4

Poles 3

AC-3 Rating 11kW

Coil Voltage 24V DC

Auxiliary Contacts 2NO+2NC

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3-Pole AC-3 Operation 11kW Power Rating 24V DC Coil 2NO+2NC Auxiliary Contacts Size 1 Contactor

Product description

The Siemens 3TF4322-0BB4 is a Size 1, 3-pole contactor rated for AC-3 applications at 11kW and 400/380V. This variant is designed for DC operation with a 24V DC coil and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for versatile control circuits.

This contactor is ideal for motor control and switching applications where DC power is used for the coil, such as in certain automated systems, backup power applications, or specific control panels. It serves industries including manufacturing, material processing, and infrastructure.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3TF4322-0BB4. We are dedicated to providing reliable and cost-effective solutions to keep your operations running without interruption.

Technical specifications

Poles	3
AC-3 Rating	11kW
Coil Voltage	24V DC
Auxiliary Contacts	2NO+2NC
Size	1
Operation	DC

Common applications

Motor Control

Industrial Automation

DC Control Circuits

Material Processing

Infrastructure

Manufacturing

Compatible systems

DC Motor Control and Switching Applications

Also known as

Siemens 3TF4322 DC Contactor Siemens 24V DC Contactor Size 1 Contactor 11kW DC

Replaces / compatible with

This contactor is part of the Siemens 3TF series, suitable for DC-operated motor control and switching.

Technical note

Expert tip

Ensure the correct 24V DC power supply is used for the coil to ensure proper operation and longevity of the contactor.

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Frequently asked questions

What are the specifications of the Siemens 3TF4322-0BB4 contactor regarding power and coil?

The Siemens 3TF4322-0BB4 is a Size 1, 3-pole contactor rated for 11kW (AC-3) and features a 24V DC coil. It also includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.