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The Ultimate 3th42440af0 | Siemens Satisfaction Guaranteed [THK248Xu]

$23.99 $76.99 -69%

SIEMENS 3TH42440AF0 Contactor The SIEMENS 3TH42440AF0 is a high-quality auxiliary contactor designed for reliable signal switching in command circuits. This versatile device features 4 NO (Normally Open) and 4 NC (Normally Closed) contacts, making it

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The Ultimate 3th42440af0 | Siemens Satisfaction Guaranteed [THK248Xu]

SIEMENS 3TH42440AF0 Contactor

The SIEMENS 3TH42440AF0 is a high-quality auxiliary contactor designed for reliable signal switching in command circuits. This versatile device features 4 NO (Normally Open) and 4 NC (Normally Closed) contacts, making it ideal for various applications. The 3TH4 contactor is built with a robust design, ensuring long-lasting performance and minimal maintenance requirements.

Key Product Specifications

The 3TH42440AF0 operates on AC voltages of 110V 50Hz and 132V 60Hz, providing flexibility for different electrical systems. It is compliant with DIN EN 50011 standards, ensuring safety and reliability. The contactor is equipped with a screw terminal connection for easy installation and maintenance. Its multi-functional design allows for the simultaneous switching of up to 10 auxiliary circuits, enhancing its versatility in various applications.

Applications and Benefits

The SIEMENS 3TH42440AF0 is perfect for a wide range of industrial and commercial applications, including automation systems, control panels, and electrical switchgear. Its robust construction and reliable performance make it suitable for use in harsh environments. The contactor is also available with forced contact guidance for safety applications, ensuring compliance with safety standards. With its global certifications, including IEC and UL/CSA, the 3TH42440AF0 is a reliable choice for professionals worldwide. Additionally, the product offers various accessories such as surge protectors, timers, and interface relays, further enhancing its functionality and adaptability.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

I love the minimalist and clean aesthetic.

- Jocelyn H..

January 18, 2026

Absolutely no complaints!

A wonderful product that I use every day.

- Sophia Long.

January 18, 2026

Absolutely no complaints!

This performs better than I could have imagined.

- Terry Cook.

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