# 3TH4040-0A Siemens Contactor - 4NO/4NC 230V 16A

The **3TH4040-0A Siemens Contactor**, a critical component in industrial automation and electrical systems, delivers reliable performance across various applications. This contactor, designed for use in demanding environments, ensures efficient control of electrical circuits. The **3TH4040-0A** is a versatile solution for managing power distribution and motor control, making it an essential part of any industrial setup.

This **Siemens contactor** operates on a 230V 50-60Hz power supply and features a 4S/4No Iec 947 Vde 0660 configuration. With an AC-1 current rating of up to 16A, it is suitable for a wide range of applications. The inclusion of aux. contacts A600 P600 further enhances its functionality. Manufactured to high-quality standards in Germany, the **3TH4040-0A Siemens Contactor** is built to last and withstand the rigors of industrial use. Its lightweight design, weighing only 350 grams, simplifies installation and maintenance. The Siemens 40E 3Th40 G/9839 Contactor is designed to deliver outstanding performance and longevity in industrial settings.

Key Features:

-   **Reliable Performance:** Ensures consistent operation in industrial settings.
-   **High Current Capacity:** Handles AC-1 currents up to 16A.
-   **Enhanced Functionality:** Features aux. contacts A600 P600.
-   **Durable Construction:** Built to withstand the demands of industrial environments.

Specifications:

-   Part Number: 3TH4040-0A
-   Brand: Siemens
-   Voltage: 230V
-   Frequency: 50-60Hz
-   Configuration: 4S/4No Iec 947 Vde 0660
-   AC-1 Current: Up to 16A
-   Aux. Contacts: A600 P600

The **3TH4040-0A Siemens Contactor** provides dependable performance and is an excellent choice for upgrading or implementing new electrical systems. Its robust design and high-performance capabilities ensure reliable operation in a variety of industrial and automation applications. Contact [info@ramautomations.com](mailto:info@ramautomations.com) for more information.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Contactors > Power Contactors
- **Tags:** 230V contactor, 3TH4040-0A, 4NO/4NC contactor, contactor, electrical systems, industrial automation, power control, Siemens

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- 3TH4040-0A Siemens Contactor - 4NO/4NC 230V 16A-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/3th4040-0a-siemens-contactor)
> Updated: 2026-09-19