# Siemens 3SU1900-0DY30-0AA0 Protective Collar for Emergency Stop Pushbutton

Enhance safety in your industrial operations with the Siemens **3SU1900-0DY30-0AA0** Protective Collar, designed to safeguard emergency stop mushroom pushbuttons. This essential accessory from the Siemens SIRIUS ACT range prevents accidental activation ensuring critical safety functions remain accessible when needed most. Its robust construction guarantees reliable performance in demanding automation environments.

The Siemens **3SU1900-0DY30-0AA0** provides a crucial layer of protection for emergency stop controls. It is engineered to seamlessly integrate with Siemens mushroom pushbuttons, offering a secure fit that minimizes unintended presses while allowing for immediate access during emergencies. This component is vital for maintaining operational integrity and safety across various industrial automation systems.

Why choose the Siemens Protective Collar **3SU1900-0DY30-0AA0**

-   **Prevents Accidental Activation** Safeguards emergency stop buttons from unintentional engagement.
-   **Ensures Accessibility** Allows quick and clear access to the emergency stop function when required.
-   **Durable Construction** Built with industrial-grade materials for long-lasting reliability.
-   **SIRIUS ACT Compatibility** Integrates perfectly with the Siemens SIRIUS ACT control component series.
-   **Enhanced Safety** Contributes to a safer working environment in automation settings.

**Specifications**

-   Brand Siemens
-   Part Number 3SU1900-0DY30-0AA0
-   Product Type Protective Collar
-   Application Emergency Stop Mushroom Pushbutton Protection
-   Series SIRIUS ACT
-   Cover Type Without Cover
-   Material Industrial Grade Durable Material

Invest in the reliability and safety of your industrial automation systems with the Siemens **3SU1900-0DY30-0AA0** Protective Collar. Ensure your emergency stop functions are protected yet accessible. Contact us today for availability and to secure this vital safety component.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Pushbuttons & Accessories
- **Tags:** control system components, emergency stop protection, industrial automation safety, mushroom pushbutton guard, Siemens 3SU1900-0DY30-0AA0, Siemens protective collar, SIRIUS ACT accessory

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- Siemens PROTECTIVE COLLAR FOR EM. STOP MUSHROOM PUSHBUTTON, WITHOUT 3SU1900-0DY30-0AA0

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3su1900-0dy30-0aa0-protective-collar)
> Updated: 2026-09-01