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Siemens 3TF4422-0A Size 2 Contactor - 15kW, AC Operation

Siemens 3TF4422-0A Size 2 Contactor, 15kW, AC Coil, 2NO+2NC Aux.

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ManufacturerSiemens

Part number3TF4422-0A

Poles 3

AC-3 Rating 15kW

Coil Voltage AC (Specific voltage varies by sub-model)

Auxiliary Contacts 2NO+2NC

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3-Pole AC-3 Operation 15kW Power Rating AC Coil 2NO+2NC Auxiliary Contacts Size 2 Contactor

Product description

The Siemens 3TF4422-0A is a Size 2, 3-pole contactor designed for AC-3 applications, rated at 15kW for 400/380V systems. This model is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing flexibility for control circuit design. It operates using an AC coil.

This contactor is suitable for heavy-duty motor control and switching applications in industrial settings, including large motor starting, power distribution, and automation systems. It is commonly found in manufacturing plants, mining operations, and heavy machinery.

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts, offers the Siemens 3TF4422-0A. We provide reliable sourcing for critical components to help you maintain operational efficiency and minimize downtime.

Technical specifications

Poles	3
AC-3 Rating	15kW
Coil Voltage	AC (Specific voltage varies by sub-model)
Auxiliary Contacts	2NO+2NC
Size	2
Operation	AC

Common applications

Motor Control

Industrial Automation

Power Distribution

Manufacturing

Mining

Heavy Machinery

Compatible systems

AC Motor Control and Switching Applications

Also known as

Siemens 3TF4422 Contactor Siemens AC Contactor 15kW Size 2 Contactor 2NO2NC

Replaces / compatible with

This contactor is part of the Siemens 3TF series, designed for robust AC motor control and switching of larger loads.

Technical note

Expert tip

Confirm the specific AC coil voltage required for your installation, as different voltage options are available within the 3TF4422 series.

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Frequently asked questions

What is the power rating for the Siemens 3TF4422-0A contactor?

The Siemens 3TF4422-0A is rated for 15kW under AC-3 duty conditions, making it suitable for controlling medium to large three-phase induction motors. It features a standard AC coil and 2NO+2NC auxiliary contacts.