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Siemens 3TY6440-0A Main Contact Elements for 3TB44

Siemens 3TY6440-0A Main Contact Elements for 3TB44 contactors.

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ManufacturerSiemens

Part number3TY6440-0A

For Contactor Series 3TB44

Component Type Main Contact Elements

REACH Substance Cadmium Oxide (CAS 1306-19-0) > 0.1%

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Main Power Contacts Designed for 3TB44 Series Critical for Contactor Function Contains Cadmium Oxide (REACH listed)

Product description

The Siemens 3TY6440-0A is a set of main contact elements specifically designed for use with Siemens 3TB44 series contactors. These components are critical for the proper functioning of the contactor, enabling the make and break of electrical circuits under load. As per REACH regulation Article 33, this product contains Cadmium Oxide (CAS 1306-19-0, EG 215-146-2) in concentrations exceeding 0.1 mass%.

These contact elements are essential for applications requiring reliable power switching, such as in motor control centers, power distribution units, and industrial machinery. Their integration into the 3TB44 contactor ensures operational integrity for demanding industrial environments.

Stanlo Automation, a veteran-owned supplier of surplus industrial parts, offers the Siemens 3TY6440-0A. We provide access to essential components that may no longer be readily available, helping you maintain and repair existing equipment efficiently.

Technical specifications

For Contactor Series	3TB44
Component Type	Main Contact Elements
REACH Substance	Cadmium Oxide (CAS 1306-19-0) > 0.1%

Common applications

Motor Control

Power Switching

Industrial Machinery

Control Panels

Electrical Distribution

Compatible systems

Siemens 3TB44 Series Contactors

Also known as

Siemens 3TY6440 3TY6440 Contacts Siemens 3TB44 Contacts

Replaces / compatible with

These are the main contact elements for Siemens 3TB44 series contactors. They are a direct replacement part for maintaining the functionality of the specified contactor model.

Technical note

Expert tip

Note that this product contains Cadmium Oxide, a substance listed under REACH. Proper handling and disposal procedures should be followed.

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Frequently asked questions

What is the purpose of the Siemens 3TY6440-0A main contact elements?

The Siemens 3TY6440-0A elements are the primary switching contacts within a 3TB44 series contactor. They are responsible for making and breaking the main power circuit when the contactor is energized or de-energized, ensuring the reliable control of electrical loads.