# Siemens SIRIUS ACT 3SU1000-1HA20-0AA0 Emergency Stop Mushroom Pushbutton, Red, Plastic Front Ring, Pull-to-Release

**URL:** https://aio.lv/en/product--siemens-3su1000-1ha20-0aa0--1839318
**Data updated:** 2026-05-18 02:42 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Siemens
**Manufacturer code:** 3SU1000-1HA20-0AA0
**EAN:** 4011209937185
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.99 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 17.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3su1000-1ha20-0aa0--1839318

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Siemens SIRIUS ACT 3SU1000-1HA20-0AA0 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 pull-to-release mechanism. This component is essential for safety-critical applications, ensuring quick and secure machine shutdown. It is part of the modular SIRIUS ACT series, offering robust performance and easy installation in various automation environments.

## Long description

The Siemens SIRIUS ACT emergency stop mushroom pushbutton is a high-performance safety component engineered for industrial control systems. Featuring a distinct red actuator and a durable plastic front ring, this device provides clear visual identification and reliable operation in demanding environments. The pull-to-release mechanism ensures that once activated, the system remains in a safe state until manually reset by an operator, preventing accidental restarts.
Advantages
This emergency stop button is built to withstand rigorous industrial use, offering high resistance to environmental factors and mechanical wear. Its modular design allows for seamless integration into existing control panels, simplifying both the assembly process and future maintenance. The ergonomic shape of the mushroom head ensures quick and intuitive activation during emergency situations, while the robust construction guarantees long-term operational reliability in various automation setups.
Suitable for
Industrial machinery and production lines
Control panels and operator consoles
Safety-critical automation systems
Emergency shutdown circuits in manufacturing plants
When it may not be suitable
This device is not intended for use in environments requiring specific hygienic standards, such as food processing or pharmaceutical cleanrooms, where stainless steel or specialized wash-down rated components are mandatory. It is also not suitable for applications where a turn-to-release mechanism is preferred over a pull-to-release function.
Key specifications
Actuator type: Mushroom head
Color: Red
Front ring material: Plastic
Reset method: Pull-to-release
Series: SIRIUS ACT
How to use
Installation involves mounting the actuator into a standard panel cutout and securing it with the provided locking mechanism. Once installed, the device is ready for integration into the safety circuit. In an emergency, press the red mushroom head firmly to trigger the stop function. To reset the system, pull the mushroom head outward until it clicks back into the operational position, allowing the machine to be restarted safely.
What to consider before purchase
Verify the panel cutout diameter requirements for your specific enclosure.
Ensure the pull-to-release reset method aligns with your facility's safety protocols.
Check compatibility with your existing SIRIUS ACT modular contact blocks.
Usage recommendations
Always perform a functional test of the emergency stop circuit after installation and during regular maintenance intervals to ensure the safety system remains fully operational.

## FAQ

### How much does the Siemens SIRIUS ACT 3SU1000-1HA20-0AA0 Emergency Stop Button cost, and is it available for purchase?

The price is 20.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 27 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 23.07.2026 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/1839318/47502154_large.webp