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Control station, Harmony, plastic, yellow, 1 red mushroom head push button 40mm, emergency stop turn to release, 1 NC, legend holder EMERGENCY STOP
XALK1781H29
"Full compatibility with the Ø 22 mm plastic push buttons, switches and pilot lights of the Harmony XB5 range"
"Complete, ready-to-install stations with 1 to 3 buttons for the most common functions"
"Modular system and simple to cable universal range"
"Possibility to add up to 3 NO or NC contact blocks per operating head"
"Polycarbonate pre-drilled control stations"
Environmental performance of the product Learn more
Sustainable by Design
Sustainability![Green Premium™](https://www.se.com/cn/product-shop-static/assets/images/brand/greenpremium.svg)
Green PremiumTM label is Schneider Electric’s commitment to delivering products with best-in-class environmental performance.
Green Premium promises compliance with the latest regulations, transparency on environmental impacts, as well as circular and low-CO2 products.
Guide to assessing product sustainability is a white paper that clarifies global eco-label standards and how to interpret environmental declarations.
Guide to assessing product sustainability is a white paper that clarifies global eco-label standards and how to interpret environmental declarations.
![](https://img.youtube.com/vi/gQ2tiLNbSDY/maxresdefault.jpg)
Well-being performance
REACh free of SVHC
Toxic heavy metal free
Mercury free
RoHS exemption information
Certifications & Standards
REACh Regulation
EU RoHS Directive
Pro-active compliance (Product out of EU RoHS legal scope)
China RoHS Regulation
Environmental Disclosure
WEEE
![](https://www.se.com/cn/product-shop-static/assets/images/icon/WEEE.png)
The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
Circularity Profile