Our Brands

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

Schneider Electric USA Website

Welcome to our website.
		
How can we help you today?
What does class S1 and S2 mean for a HV circuit breaker ?
IEC 62271‐100 defines two separate class according to the type of the system.

circuit-breaker class S1
circuit-breaker intended to be used in a cable system

circuit-breaker class S2
circuit-breaker used in a line-system

The type tests and the specifications are different if the circuit breaker is defined S1 or S2 class.
Our HV circuit breakers (LF,SF, Evolis, Easypact EXE) are S1 class

Schneider Electric USA

Explore more
Range:
Users group

Discuss this topic with experts

Visit our community and get advice from experts and peers on this topic and more
Explore more
Range:
  • Products Documentation
  • Software Downloads
  • Product Selector
  • Product Substitution and Replacement
  • Help and Contact Center
  • Where to buy
  • Get a Quote
  • Find our Offices
  • Schneider Electric Community
  • Careers
  • Company Profile
  • Report a misconduct
  • Accessibility
  • Newsroom
  • Investors
  • EcoStruxure
  • Job Search
  • Blog
  • Tech Support: 877-342-5173
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings