# Siemens SIRIUS ACT 3SU1100-0AB20-1CA0 Pushbutton, Flat Red Actuator, 22 mm, Plastic Front Ring, 1NC Contact, Screw Terminal

**URL:** https://aio.lv/en/product--siemens-3su1100-0ab20-1ca0--1839275
**Data updated:** 2026-05-18 02:42 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3SU1100-0AB20-1CA0
**EAN:** 4011209956773
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 44.49 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 36.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3su1100-0ab20-1ca0--1839275

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 19.38 EUR |

## Summary description

The Siemens SIRIUS ACT 3SU1100-0AB20-1CA0 is a complete pushbutton unit featuring a flat red actuator and a durable plastic front ring. Designed for 22 mm mounting holes, this industrial control device includes a 1NC contact block and reliable screw terminals. It is ideal for control panels and automation systems requiring clear visual signaling and robust mechanical operation in demanding environments.

## Long description

The Siemens SIRIUS ACT 3SU1100-0AB20-1CA0 is a high-quality, complete pushbutton unit engineered for reliable industrial control applications. This device features a distinct flat red actuator, making it an ideal choice for emergency stop or critical stop functions where high visibility is essential. Built with a durable plastic front ring, the unit is designed to withstand the rigors of daily operation in industrial environments while maintaining a professional appearance on control panels.
Advantages
This pushbutton unit offers exceptional mechanical durability and long-term reliability, ensuring consistent performance even in demanding conditions. Its modular design and standardized 22 mm mounting diameter allow for seamless integration into existing control systems and machinery. The inclusion of a pre-assembled 1NC contact block and secure screw terminals simplifies the installation process, reducing setup time and minimizing the risk of loose connections during operation.
Suitable for
Industrial control panels
Automation and process control systems
Emergency stop or safety-critical signaling
Machine operation interfaces
When it may not be suitable
This device is not intended for use in environments requiring specific hazardous area certifications or extreme chemical resistance beyond standard industrial plastic specifications. It is also not suitable for applications requiring illuminated actuators or multi-position switching functions.
Key specifications
Actuator type: Flat, red
Mounting diameter: 22 mm
Front ring material: Plastic
Contact configuration: 1NC (Normally Closed)
Connection type: Screw terminals
How to use
The pushbutton is designed for mounting into a standard 22 mm hole on a control panel or enclosure. To install, insert the actuator through the mounting hole and secure it using the provided locking mechanism. Connect the control wiring to the integrated 1NC contact block using the screw terminals, ensuring that wires are stripped to the appropriate length and tightened to the manufacturer's specified torque to ensure a secure electrical connection.
What to consider before purchase
Verify that the 22 mm mounting hole size matches your panel requirements.
Ensure the 1NC contact configuration meets your specific circuit logic needs.
Confirm that the environmental conditions are compatible with plastic front ring components.
Usage recommendations
Regularly inspect the screw terminals for tightness and ensure the actuator moves freely without obstruction to maintain optimal safety and operational efficiency.

## FAQ

### How much does the Siemens SIRIUS ACT 3SU1100-0AB20-1CA0 Pushbutton cost, and is it available for purchase?

The price is 44.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 20.07.2026 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

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