# Dewhurst EM21AA Proximity Switch - Industrial Automation Component

The **Dewhurst EM21AA Proximity Switch** is a crucial component designed for industrial automation and control systems. This switch, manufactured by Dewhurst, provides reliable proximity sensing, making it essential for various applications. It is a robust solution for detecting the presence of objects without physical contact, ensuring operational efficiency and safety. The **EM21AA** is engineered to meet the demands of industrial environments, offering durability and consistent performance.

With a maximum voltage rating of 250V and a lightweight design at 140 grams, the **Dewhurst EM21AA** is easy to integrate into existing systems. This **proximity switch** is suitable for a wide array of electrical systems. It provides accurate and dependable performance, ensuring optimal functionality in your operations. It is widely used in machinery, equipment and industrial automation and control systems. This switch is made in England.

-   **Reliable Sensing:** Provides accurate proximity detection for enhanced operational safety.
-   **Durable Design:** Built to withstand industrial environments, ensuring long-lasting performance.
-   **Easy Installation:** The lightweight design allows for simple integration into existing systems.
-   **Versatile Application:** Suitable for a wide range of industrial automation and control systems.
-   **High Voltage Capacity:** Supports a maximum voltage of 250V, accommodating various power requirements.

Choose the **Dewhurst EM21AA Proximity Switch** for dependable performance in your industrial applications. This high-quality component from Dewhurst ensures enhanced functionality and precision. Upgrade your equipment with this essential switch for improved operational efficiency in your systems. For all your industrial automation needs, trust the reliability of **Dewhurst**. Contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Dewhurst
- **Type:** Industrial Automation > Sensors > Proximity Switches
- **Tags:** automation components, Dewhurst, EM21AA, industrial automation, proximity sensor, proximity switch

## Variants

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

## Images

- Dewhurst EM21AA Proximity Switch - Industrial Automation Component-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/dewhurst-em21aa-proximity-switch)
> Updated: 2026-09-18