How can we help you today?

What is the A21SDA adapter kit?

Issue:
Identification of the A21SDA

Product Line:
Disconnect Switches

Environment:
Products Sold In North America

Resolution:
An operator adapter kit is required to install a flange mounted disconnect means in Bulletins A21, A28 and A34 Hoffman enclosures that have a universal cutout. Operator adapter kits include an adapter plate and additional components needed to interlock the enclosure ``Master Door`` with the disconnect means operating mechanism.

The A-21SDA adapter kit is only for Square D flange mounted handles which include the Class 9422 Types A1, A2, A3 or A4. Other adapter kits are available for competitive flange mounted handle designs.

Panel drilling and installation instructions are furnished with each operator adapter kit.

This kit is only available from Hoffman.

Schneider Electric Canada

Explore more
Product:
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
Product:
Range:

Need help?

Need help?

Product Selector

Product Selector

Quickly and easily find the right products and accessories for your applications.

Get a Quote

Get a Quote

Start your sales inquiry online and en expert will connect with you.

Where to buy?

Where to buy?

Easily find the nearest Schneider Electric distributor in your location.

Help Center

Help Center

Find support resources for all your needs, in one place.

  • Help and Contact Center
  • Contact Sales
  • Find our Offices
  • Where to Buy
  • Careers
  • Company Profile
  • Investors
  • Newsroom
  • Report a Misconduct
  • Product Documentation
  • Product Selectors
  • Software and Firmware
  • Product Substitution and Replacement
  • Blog
  • Events
  • Schneider Electric Community
  • Sustainability
  • Legal Information
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings