The smart thermostat, made Wiser.Learn more
...See what we've been doing in some of our major markets.Find your Location
Access tailored services, 24/7 self-service and expert help. Anywhere, anytime, any project.Discover now
Everything you need to know about our IoT technology backbone.Learn more
Explore our global offerings or select your country from one of our five regions.Global
Découvrez nos offres globales ou sélectionnez votre pays dans l’une de nos cinq régions.
Powerpact and Masterpact circuit breakers with advanced Micrologic trip units
Electrical distribution systems
ZSI is an interlocking system used to enhance the selective coordination level of electrical distribution systems. It allows an upstream breaker to trip instantaneously on a fault in its zone while maintaining coordination with downstream breakers.
The attached data bulletin will answer most questions related to the use of Zone Selective Interlocking on Schneider Electric circuit breakers.
Sign up for all the latest solutions, offers and best practices straight to your inbox.