# Dot1151A-Ex Smoke Detector by Siemens - Hazardous Area Safety

The **Dot1151A-Ex Smoke Detector** from Siemens Cerberus is a critical safety device, designed to provide early fire detection in hazardous environments. This detector, with part number **531731**, ensures reliable performance across a wide temperature range, making it ideal for industrial applications. It is essential for safeguarding lives and property by quickly identifying the presence of smoke in areas where flammable materials or gases are present.

The **Dot1151A-Ex Smoke Detector**, compliant with II 2G Ptb 02 Atex 2098 0307 1055 Q018 04T En54-7 Swiss Made standards, offers robust protection. With a lightweight design of 170 grams and a temperature range from -25°C to 70°C, installation and operation are straightforward. The **Dot1151A-Ex** is engineered for energy efficiency and long-lasting durability, ensuring minimal maintenance and reliable operation over time.

Key Features:

-   **Siemens** Reliability: Trust in the brand's reputation for quality.
-   Hazardous Area Certified: Specifically designed for use in potentially explosive atmospheres.
-   Early Warning System: Provides rapid smoke detection for immediate response.
-   Energy Efficient: Reduces operational costs with its efficient design.
-   Easy Installation: Lightweight and simple to install in various settings.

Specifications:

Type: Dot1151A-ex  
Part Number: 531731  
Temperature Range: -25°C to 70°C  
Classification: II 2G Ptb 02 Atex 2098 0307 1055 Q018 04T En54-7 Swiss Made  
Weight: 170 grams

The **Dot1151A-Ex Smoke Detector** by Siemens ensures the highest standards of safety and performance. Its proven track record makes it an ideal choice for your industrial or automation systems. For reliable fire detection solutions, choose the **Dot1151A-Ex**. Contact us at [info@ramautomations.com](mailto:info@ramautomations.com) for more information.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Safety & Security > Fire Detection > Smoke Detectors
- **Tags:** Dot1151A-Ex, fire safety, hazardous area, industrial smoke detector, Siemens, smoke detector

## Variants

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

## Images

- Dot1151A-Ex Smoke Detector by Siemens - Hazardous Area Safety-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/dot1151a-ex-siemens-smoke-detector)
> Updated: 2026-10-03