# Schneider Electric XALK178GTH29 Harmony Control Station with 40mm Emergency Stop Mushroom Button

**URL:** https://aio.lv/en/product--schneider-electric-xalk178gth29--12469563
**Data updated:** 2026-05-18 09:40 (EEST)
**Category:** Smart Switches
**Manufacturer:** Schneider Electric
**Manufacturer code:** XALK178GTH29
**EAN:** 3389110959314
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Schneider Electric XALK178GTH29 is a Harmony series control station designed for emergency stop applications. It features a yellow enclosure with a prominent 40mm red mushroom-head button. Equipped with 1NO+2NC contacts, this switch supports reliable operation via a turn-to-release mechanism. It is an essential safety component for industrial machinery and automation systems requiring immediate manual intervention.

## Long description

The Schneider Electric XALK178GTH29 Harmony control station is a robust safety device engineered for emergency stop applications in industrial environments. This unit features a highly visible yellow enclosure paired with a prominent 40mm red mushroom-head button, ensuring it is easily identifiable during critical situations. Designed for reliability and safety, it incorporates a turn-to-release mechanism that prevents accidental reactivation, providing a secure way to halt machinery operations immediately when manual intervention is required.
Advantages
This control station offers exceptional durability and ease of use in demanding automation systems. The high-contrast color scheme ensures rapid recognition in emergency scenarios, while the mechanical design provides tactile feedback to the operator. Its construction is optimized for long-term performance, resisting the wear and tear typical of industrial settings, and the integrated contact block configuration ensures versatile integration into existing safety circuits.
Suitable for
Industrial machinery emergency stop systems
Automation control panels
Manufacturing production lines
Safety-critical equipment shutdown
When it may not be suitable
This device is specifically designed for emergency stop functions and is not intended for standard operational control tasks like routine machine starting or stopping. It may not be suitable for environments requiring specialized ingress protection ratings beyond its standard industrial design or for applications where a key-release mechanism is strictly mandated by safety regulations.
Key specifications
Button type: 40mm red mushroom-head
Enclosure color: Yellow
Contact configuration: 1NO + 2NC
Reset mechanism: Turn-to-release
Series: Harmony
How to use
Installation should be performed by qualified personnel in accordance with local safety standards. The control station is mounted onto a flat surface using the provided mounting points. Once installed, the electrical connections are wired to the 1NO+2NC contact blocks within the enclosure. In an emergency, the operator presses the red mushroom button to trigger the stop sequence. To reset the system, the button is rotated in the direction indicated on the actuator to release it from the locked position.
What to consider before purchase
Verify the contact configuration matches your safety circuit requirements
Ensure the mounting surface is stable and accessible
Check that the turn-to-release mechanism complies with your facility's safety protocols
Usage recommendations
Regularly inspect the button for mechanical integrity and test the emergency stop function during scheduled maintenance intervals to ensure the safety circuit remains fully operational.

## FAQ

### What payment options are available?

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### 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 Schneider Electric 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 Schneider Electric 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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