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Siemens 3TY7440-0A Main Contact Elements for 3TF44 (Phased Out)

Siemens 3TY7440-0A Main Contact Elements for 3TF44 contactors (Phased Out).

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ManufacturerSiemens

Part number3TY7440-0A

For Contactor Series 3TF44

Component Type Main Contact Elements

Status Phased-Out Product

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12-month warranty

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Main Power Contacts For 3TF44 Series Critical for Contactor Function Support for Legacy Systems

Product description

The Siemens 3TY7440-0A is a set of main contact elements designed for the Siemens 3TF44 series contactors. These are the primary components responsible for establishing and interrupting the main electrical circuit when the contactor operates. Please note that this is a phased-out product, and the recommended successor is the Siemens 3RT2027- series.

These contact elements were crucial for reliable operation in various industrial applications, including motor control, power distribution, and heavy machinery. Their replacement ensures the continued functionality of older 3TF44 contactors where a direct upgrade path is not yet feasible.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3TY7440-0A. We aim to support legacy systems by providing access to discontinued or hard-to-find components, helping you keep your essential equipment running.

Technical specifications

For Contactor Series	3TF44
Component Type	Main Contact Elements
Status	Phased-Out Product

Common applications

Motor Control

Power Switching

Industrial Machinery

Legacy Control Systems

Electrical Distribution

Compatible systems

Siemens 3TF44 Series Contactors

Also known as

Siemens 3TY7440 3TY7440 Contacts Siemens 3TF44 Contacts

Replaces / compatible with

This part served as the main contact elements for Siemens 3TF44 series contactors. It has been phased out, with the 3RT2027- series being its successor.

Technical note

Expert tip

While this part is phased out, it remains a critical component for maintaining existing 3TF44 contactor installations that cannot be immediately upgraded.

What happens next?

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Frequently asked questions

What is the successor to the Siemens 3TY7440-0A main contact elements?

The Siemens 3TY7440-0A main contact elements for the 3TF44 contactor series have been phased out. The recommended successor is the Siemens 3RT2027- series, which offers updated technology and availability for new installations.