In stock items ship same day if ordered online before 12 EST

In stock items ship same day if ordered online before 12 EST

Interlock Kit K-4410


37 in stock


Have a question or don’t see a kit for your panel? We make custom Interlock Kits for any panel or solar scenario – call (804) 531-3359 or Contact Us!

This Kit mounts to Bryant, Westinghouse, Thomas & Betts, and Sylvania electrical panels with the following features:

  • Space between breaker columns: 1/2"
  • Gap between main breaker and columns below, is: 2 3/8"
  • 150-200 amp main breaker
  • Main breaker toggle action: vertical (up & down) throw direction ON & OFF
  • Main breaker sits centered over the breaker columns
  • Main breaker sits inset into the panel cover


  • Install a two pole generator breaker in the top two spaces of the right breaker column: spaces 2 & 4
  • Page four of the installation instructions includes a list of contents included in Kit K-4410

Modified versions of this Interlock Kit exist, see: Kit K-4410M (part not featured) please call: (804)726-2448 for more info!

Additional information

Weight 1 lbs
Catalog #:

SB20(30-40)C Indoor Mod 1, SB20(20-40)CG Indoor Mod 1, JA220CF Model 6 Type 3R
other compatible catalog #'s may not be listed here yet. Use the details listed in "Description" to help match your kit!