# Siemens 3TF4111-OA Contactor Auxiliary Contacts A600 P600

The **Siemens 3TF4111-OA** contactor auxiliary contacts A600 P600 is a robust electrical control component designed for demanding industrial applications. This contactor is specifically engineered to manage and switch electrical circuits efficiently, making it ideal for motor control, lighting systems, and other automation tasks. It adheres to the IEC 60947 and VDE 0660 standards, ensuring reliability and safety in various operational environments.

This contactor boasts a 20A current rating at 600V AC and features 1 normally open and 1 normally closed auxiliary contact. The copper wire terminals are designed to withstand temperatures up to 75°C, providing versatility in different setups. The **3TF4111-OA** model, manufactured in Germany, is compact and straightforward to install, integrating seamlessly into existing setups. This contactor is suitable for AC-1 duty with a maximum power rating of 5.5kW at 400/380V AC and is designed for use in systems operating at 400V 50Hz or 400-440V 60Hz. Its symmetrical amperes rating of 600V guarantees dependable performance in a variety of electrical systems.

Key Features:

-   **High Current Rating:** Handles up to 20A at 600V AC.
-   **Versatile Auxiliary Contacts:** Features 1 NO and 1 NC contact for flexible control.
-   **Durable Design:** Designed to meet IEC 60947 and VDE 0660 standards.
-   **Easy Installation:** Compact design for simple integration into existing systems.
-   **Wide Application:** Suitable for motor control, lighting, and general electrical circuit management.

Specifications:

-   Part Number: 3TF4111-OA
-   Standards: IEC 60947, VDE 0660
-   Current Rating: 20A at 600V AC
-   Auxiliary Contacts: 1 NO, 1 NC
-   Duty Cycle: AC-1
-   Maximum Power: 5.5kW at 400/380V AC

The **Siemens 3TF4111-OA** contactor is a reliable component for your industrial or automation needs, ensuring smooth and effective electrical control. Trust in the quality and performance of Siemens products to enhance the efficiency of your systems. For any inquiries, please contact Ram Automations at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Electrical Components > Contactors > Auxiliary Contactors
- **Tags:** 3TF4111-OA, auxiliary contacts, contactor, electrical systems, motor control, Siemens

## Variants

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

## Images

- Siemens 3TF4111-OA Contactor Auxiliary Contacts A600 P600-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3tf4111-oa-contactor)
> Updated: 2026-10-02