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Siemens 3TF4022-0B 3-Pole AC-3 Contactor - 7.5kW

Siemens 3TF4022-0B 3-Pole AC-3 Contactor with Aux Contacts

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ManufacturerSiemens

Part number3TF4022-0B

Poles 3

AC-3 Rating 7.5kW @ 400/380V

Auxiliary Contacts 2 NO + 2 NC

Series 3TF4

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3-Pole Configuration AC-3 Duty Rating 7.5kW Power Capacity Integrated 2 NO + 2 NC Auxiliary Contacts Siemens 3TF4 Series Reliability

Product description

The Siemens 3TF4022-0B is a 3-pole AC-3 rated contactor from the robust 3TF4 series. It is designed for reliable motor control applications, with a power rating of 7.5kW at 400/380V. This unit comes equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing essential control and signaling capabilities.

This contactor is suitable for frequent starting and stopping of AC motors and other AC loads. Its applications include industrial machinery, conveyor systems, pump controls, and general motor control circuits where auxiliary contacts are needed for feedback or interlocking.

Stanlo Automation, your trusted veteran-owned source for surplus industrial automation parts, offers the Siemens 3TF4022-0B. We provide high-quality, cost-effective solutions for your critical equipment needs.

Technical specifications

Poles	3
AC-3 Rating	7.5kW @ 400/380V
Auxiliary Contacts	2 NO + 2 NC
Series	3TF4

Common applications

Motor Control

Industrial Machinery

Conveyor Systems

Pump Control

Control Circuits

Interlocking

Compatible systems

Compatible with Siemens overload relays and other control components designed for the 3TF4 series.

Also known as

Siemens Contactor 3TF4022-0B 3TF40220B

Replaces / compatible with

This contactor serves as a direct replacement for Siemens 3TF4022-0B and is compatible with systems requiring 3-pole switching and integrated auxiliary contacts.

Technical note

Expert tip

The integrated auxiliary contacts facilitate status monitoring and interlocking functions within the control system.

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Frequently asked questions

Does the Siemens 3TF4022-0B include auxiliary contacts?

Yes, the Siemens 3TF4022-0B comes standard with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, integrated for immediate use in control circuits.