# Siemens SIRIUS ACT 3SU1000-1HB20-0AA0 Emergency Stop Mushroom Pushbutton, Red, Plastic Front Ring, Rotate-to-Release

**URL:** https://aio.lv/en/product--siemens-3su1000-1hb20-0aa0--1839316
**Data updated:** 2026-05-18 02:42 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Siemens
**Manufacturer code:** 3SU1000-1HB20-0AA0
**EAN:** 4011209937758
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3su1000-1hb20-0aa0--1839316

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

The Siemens SIRIUS ACT 3SU1000-1HB20-0AA0 is a high-quality emergency stop mushroom pushbutton designed for industrial control panels. It features a red actuator with a durable plastic front ring and a reliable rotate-to-release mechanism. This component is engineered for safety-critical applications, ensuring quick and secure manual shutdown of machinery. It offers robust performance and is compatible with the modular SIRIUS ACT series for easy installation.

## Long description

The Siemens SIRIUS ACT emergency stop mushroom pushbutton is a high-performance control component designed for safety-critical industrial environments. Featuring a prominent red actuator and a durable plastic front ring, this device provides clear visual identification and reliable operation for emergency machine shutdowns. It is built to withstand demanding conditions while maintaining seamless integration within the modular SIRIUS ACT system.
Advantages
This emergency stop button offers exceptional durability and resistance to environmental factors, ensuring long-term reliability in industrial control panels. The rotate-to-release mechanism provides a secure and intuitive way to reset the system after an emergency stop has been triggered. Its modular design allows for quick and efficient installation, reducing downtime during assembly or maintenance. The high-quality materials used in its construction ensure consistent performance even in challenging operational settings.
Suitable for
Industrial machinery control panels
Safety-critical shutdown systems
Manufacturing and assembly lines
Automation control cabinets
When it may not be suitable
This device is not intended for use in environments where specific hazardous material certifications beyond its standard rating are required. It is also not suitable for applications requiring a key-operated reset mechanism, as this model relies exclusively on a rotate-to-release function.
Key specifications
Actuator type: Mushroom pushbutton
Color: Red
Front ring material: Plastic
Reset method: Rotate-to-release
Series compatibility: SIRIUS ACT
How to use
To operate the emergency stop, press the red mushroom head firmly to trigger the safety shutdown of the connected machinery. Once the emergency situation has been resolved and it is safe to resume operations, turn the mushroom head in the direction indicated by the arrows to release the mechanism and reset the button to its original position.
What to consider before purchase
Verify the mounting hole diameter matches your control panel requirements.
Ensure the rotate-to-release reset method aligns with your safety protocols.
Check compatibility with existing SIRIUS ACT contact blocks and holders.
Usage recommendations
Always perform a functional test after installation to ensure the emergency stop circuit is correctly wired and the mechanical release operates smoothly.

## FAQ

### How much does the Siemens SIRIUS ACT 3SU1000-1HB20-0AA0 Emergency Stop Pushbutton cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 76 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/1839316/47503585_large.webp