Our Brands

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

Welcome to the Schneider Electric Website

Welcome to our website.
		
How can we help you today?
How do you properly connect or wire a transformer with the voltage codes SV43 and S43 Rated for 120 x 240 - 12/24 volts?
Issue:
How do you properly connect or wire a transformer with the voltage codes SV43 & S43?

Product Line:
LV Transformers

Environment:
Applies to Single Phase Transformers with SV43 & S43 voltage code

Resolution:
Connections depend on your application

Primary
- For 240V 1Ph 2W Connect H2 & H3 together and apply primary 240V lines to H1 and H4 (Series Connection)
- For 120V 1Ph 2W Connect H1 and H3 together and connect H2 & H4 together then apply 120V lines to H1 and H4 (Parallel Connections)

Secondary
- For 24V Connect X2 and X3 together and bond to equipment ground or building ground per NEC Code, 24V Outputs are X1 and X4. (Series Connection)
- For 12V Connect X1 and X3 and connect X2 and X4, 12V Outputs are X1 and X4, X2 and X4 and bond to equipment ground or building ground per NEC Code (Parallel Connection)

Schneider Electric Canada

Attachment(s)
SV43.JPG.jpg [17.01 KB]
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
  • Find our Offices
  • Get a Quote
  • Where to buy
  • Schneider Electric Community
  • Careers
  • Company Profile
  • Report a misconduct
  • Accessibility
  • Newsroom
  • Investors
  • EcoStruxure
  • Job Search
  • Register Your Product
  • Blog
  • Legal Information
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings