{}

Our Brands

Impact-Company-Logo-English Black-01-177x54

Welcome to the Schneider Electric Website

Welcome to our website.
Search FAQs
What are the 3 stop categories according to NFPA 79?
Issue:
What are the different NFPA 79 stop categories?

Product Line:
Operating Mechanisms and Disconnect Switches

Environment:
Disconnect Switches

Resolution:
Category 0 is an uncontrolled stop by immediately removing power to the machine actuators.
Category 1 is a controlled stop with power to the machine actuators available to achieve the stop then remove the power when the stop is achieved.
Category 2 is a controlled stop with power left available to the machine actuators.

Schneider Electric Canada

Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.